[Insert Watershed] Watershed Total Maximum Daily Load (TMDL) A descriptive phrase or sentence in plain language. Picture can be inserted in this space Right click on this picture, choose Change picture, click on the picture you want then insert. Resize/Crop either the picture to fit, or the Title box. Month Year wq-iw1-00 "Note: Be sure to change the template document number to the assigned separate TMDL report number." (Delete this page before submitting to the MPCA for review) Below are general recommendations to improve the quality of TMDL reports and better expedite their review. More specific recommendations, including some required, or example text, are provided throughout this document. Note: this document is not intended to cover all relevant guidance for completing a TMDL. For readability and ease of use we encourage succinct writing with a focus on the essential information necessary to develop and support the TMDL. Prior to submittal to the MPCA for review, TMDLs must be carefully checked for spelling, grammar, accuracy of charts and tables and consistency of any cross-referencing throughout the TMDL. Avoid presenting the same data in multiple tables/graphs and text. Redundant presentation increases chances of error following revision to underlying data. Extensive analysis in the areas of fish and macrophyte surveys, and detailed reports addressing hydrology, limnology, geology, stream channel analysis, habitat, land use, etc. should be included as appendices or, if previously published, by reference (preferably with a hot-link). Modeling details, including large tables, should be included in an appendix. For load duration curve tables use the following headings to represent your flow regimes: Very High, High, Mid, Low, Very Low Other TMDL Guidance and Policies one should be aware of: Stormwater and MS4 TMDL Guidance TMDL Policy and Guidance Required Language and Recommendations for all Total Maximum Daily Loads developed in Minnesota : Most of this information is already included in this document, but you should check it to ensure that you are using the most recent language. XX Watershed TMDL • Month Year Minnesota Pollution Control Agency Authors and contributors: Text Cover Photo Credit: XX Watershed TMDL • Month Year Minnesota Pollution Control Agency Contents Contents ............................................................................................................................................1 List of Tables ......................................................................................................................................4 List of Figures.....................................................................................................................................5 TMDL Summary Table ........................................................................................................................ i Acronyms ......................................................................................................................................... iv Executive Summary........................................................................................................................... vi 1. Project Overview ........................................................................................................................1 1.1 Purpose ................................................................................................................................................ 1 1.2 Identification of Waterbodies .............................................................................................................. 1 1.3 Priority Ranking .................................................................................................................................... 1 2. Applicable Water Quality Standards and Numeric Water Quality Targets .....................................3 3. Watershed and Waterbody Characterization ...............................................................................4 3.1 Lakes..................................................................................................................................................... 4 3.2 Streams ................................................................................................................................................ 4 3.3 Subwatersheds ..................................................................................................................................... 4 3.4 Land Use ............................................................................................................................................... 4 3.5 Current/Historic Water Quality ............................................................................................................ 4 3.6 Pollutant Source Summary................................................................................................................... 4 3.6.1 3.6.1.1 Permitted .......................................................................................................................... 4 3.6.1.2 Non-permitted .................................................................................................................. 6 3.6.2 4 [Parameter#1, e.g., E. coli] .................................................................................................... 4 [Parameter #2] ...................................................................................................................... 6 3.6.2.1 Permitted .......................................................................................................................... 6 3.6.2.2 Non-permitted .................................................................................................................. 6 TMDL Development ....................................................................................................................7 4.1 [Parameter #1] ..................................................................................................................................... 7 4.1.1 Loading Capacity ................................................................................................................... 7 4.1.2 Load Allocation Methodology ............................................................................................... 7 4.1.3 Watershed Allocation Methodology ..................................................................................... 7 4.1.4 Margin of Safety .................................................................................................................... 7 XX Watershed TMDL • Month Year Minnesota Pollution Control Agency 4.1.5 Seasonal Variation ................................................................................................................ 8 4.1.6 Reserve Capacity ................................................................................................................... 8 4.1.7 TMDL Summary ..................................................................................................................... 8 4.2 5 [Parameter #2] ..................................................................................................................................... 8 4.2.1 Loading Capacity Methodology ............................................................................................ 8 4.2.2 Load Allocation Methodology ............................................................................................... 9 4.2.3 Wasteload Allocation Methodology ..................................................................................... 9 4.2.4 Margin of Safety .................................................................................................................... 9 4.2.5 Season Variation ................................................................................................................... 9 4.2.6 Reserve Capacity ................................................................................................................... 9 4.2.7 TMDL Summary ..................................................................................................................... 9 Future Growth Considerations .................................................................................................. 10 5.1 New or Expanding Permitted MS4 WLA Transfer Process ................................................................. 10 5.2 New or Expanding Wastewater (TSS and E. coli TMDLs only)............................................................ 10 6 Reasonable Assurance .............................................................................................................. 11 7 Monitoring Plan........................................................................................................................ 12 8 Implementation Strategy Summary ........................................................................................... 13 8.1 8.1.1 Construction Stormwater ................................................................................................... 13 8.1.2 Industrial Stormwater ......................................................................................................... 13 8.1.3 MS4 ..................................................................................................................................... 13 8.1.4 Wastewater ......................................................................................................................... 13 8.2 9 10 Permitted Sources .............................................................................................................................. 13 Non-Permitted Sources ...................................................................................................................... 13 8.2.1 Agriculture........................................................................................................................... 13 8.2.2 XXXX .................................................................................................................................... 14 8.3 Cost .................................................................................................................................................... 14 8.4 Adaptive Management....................................................................................................................... 14 Public Participation................................................................................................................... 15 Literature Cited ..................................................................................................................... 16 Appendices ...................................................................................................................................... 17 XX Watershed TMDL • Month Year Minnesota Pollution Control Agency XX Watershed TMDL • Month Year Minnesota Pollution Control Agency List of Tables XX Watershed TMDL • Month Year Minnesota Pollution Control Agency List of Figures XX Watershed TMDL • Month Year Minnesota Pollution Control Agency TMDL Summary Table EPA/MPCA Required Elements Location 303(d) Listing Information Summary [When completing these portions below it is recommended that you just identify the section and hyperlink to it in the report instead of filling in all the numbers.] Drainage Basin, Part of State, County, etc. [linked page #s] Describe the waterbody as it is identified on the State’s 303(d) list: Waterbody name, description and ID# for each river segment, lake or wetland Impaired Beneficial Use(s) - List use(s) with source citation(s) Impairment/TMDL Pollutant(s) of Concern (e.g., nutrients: phosphorus; biota: sediment) Priority ranking of the waterbody (i.e. schedule) Original listing year Applicable Water Quality Standards/ Numeric Targets List all applicable WQS/Targets with source citations. If the TMDL is based on a target other than a numeric water quality criterion, a description of the process used to derive the target must be included in the submittal. Loading Capacity (expressed as daily load) Identify the waterbody’s loading capacity for the applicable pollutant. Identify the critical condition. For each pollutant: LC = X/day; and Critical Condition Summary Wasteload Allocation TMDL Page # Portion of the loading capacity allocated to existing and future point sources [40 CFR §130.2(h)]. Total WLA = X/day, for each pollutant Example: Nutrient TMDL: Section 5.2 (Hyperlink to section) Load Allocation TSS TMDLs: Section 5.5 Identify the portion of the loading capacity allocated to existing and future nonpoint sources and to natural background if possible [40 CFR §130.2(g)]. Total LA = X/day, for each pollutant Example: XX Watershed TMDL • Month Year Minnesota Pollution Control Agency i Nutrient TMDL: Section 5.2 (Hyperlink to section) TSS TMDLs: Section 5.5 Margin of Safety Seasonal Variation Reasonable Assurance Include a MOS to account for any lack of knowledge concerning the relationship between load and wasteload allocations and water quality [CWA §303(d)(1)(C), 40 CFR §130.7(c)(1)]. Identify and explain the implicit or explicit MOS for each pollutant Statute and regulations require that a TMDL be established with consideration of seasonal variation. The method chosen for including seasonal variation in the TMDL should be described [CWA §303(d)(1)(C), 40 CFR §130.7(c)(1)] Seasonal Variation Summary for each pollutant Summarize Reasonable Assurance Note: In a water impaired by both point and nonpoint sources, where a point source is given a less stringent WLA based on an assumption that NPS load reductions will occur, reasonable assurance that the NPS reductions will happen must be explained. Monitoring In a water impaired solely by NPS, reasonable assurances that load reductions will be achieved are not required (by EPA) in order for a TMDL to be approved. Monitoring Plan included? Note: EPA does not approve effectiveness monitoring plans but providing a general plan is helpful to meet reasonable assurance requirements for nonpoint source reductions. A monitoring plan should describe the additional data to be collected to determine if the load reductions provided for in the TMDL are occurring and leading to attainment of water quality standards. Implementation 1. Implementation Strategy included? The MPCA requires a general implementation strategy/framework in the TMDL. 2. Cost estimate included? The Clean Water Legacy Act requires that a TMDL include an overall approximation (“…a range of estimates”) of the cost to implement a TMDL and for point sources the estimated cost of compliance with the TMDL [MN Statutes 2007, section 114D.25]. XX Watershed TMDL • Month Year Minnesota Pollution Control Agency ii Note: EPA is not required to and does not approve TMDL implementation plans. Public Participation Public Comment period (dates) Summary of other key elements of public participation process. Document participation by regulated entities in TMDL development, particularly regulated cities and industries with stormwater and wastewater requirements. Note: EPA regulations require public review [40 CFR §130.7(c)(1)(ii), 40 CFR §25] consistent with State or Tribe’s own continuing planning process and public participation requirements. XX Watershed TMDL • Month Year Minnesota Pollution Control Agency iii Acronyms ac-ft/yr acre feet per year AF Anoxic factor AUID Assessment Unit ID BMP best management practice CAFO(s) Concentrated Animal Feeding Operation(s) CAC Citizens Advisory Committee cfu colony-forming unit Chl-a Chlorophyll-a DNR Minnesota Department of Natural Resources EPA Environmental Protection Agency EQuIS Environmental Quality Information System FWMC flow weighted mean concentration GW groundwater HSPF Hydrologic Simulation Program-Fortran in/yr inches per year km2 square kilometer LA load allocation Lb pound lb/day pounds per day lb/yr pounds per year LGU Local Government Unit m meter mg/L milligrams per liter mg/m2-day milligram per square meter per day mL milliliter MLCCS Minnesota Land Cover Classification System MOS Margin of Safety MPCA Minnesota Pollution Control Agency MS4 Municipal Separate Storm Sewer Systems NPDES National Pollutant Discharge Elimination System XX Watershed TMDL • Month Year Minnesota Pollution Control Agency iv RR release rate SRO surface runoff SONAR Statement of Need and Reasonableness SSTS Subsurface Sewage Treatment Systems SWPPP Stormwater Pollution Prevention Plan TDLC Total Daily Loading Capacity TMDL Total Maximum Daily Load TP Total phosphorus UAL Unit-area Load μg/L microgram per liter WLA wasteload allocation WRAPS Watershed Restoration and Protection Strategy XX Watershed TMDL • Month Year Minnesota Pollution Control Agency v Executive Summary (High-level overview; ~one page) Text XX Watershed TMDL • Month Year Minnesota Pollution Control Agency vi 1. Project Overview 1.1 Purpose (Include watershed map and show where it is in MN. It may also be useful to include project context in relation to other previous or related projects.) Text 1.2 Identification of Waterbodies (Table - include waterbodies, pollutant(s) of concern and year listed. If while developing the TMDL Report it is identified that a currently impaired or unimpaired waterbody is impaired, or impaired for another pollutant it will be important to work with the MPCA Assessment staff to verify the impairment. If it is indeed impaired a TMDL should be developed for the pollutant at that time. The MPCA Project Manager will need to work with Miranda Nichols or Pam Anderson to fill out the “Off Cycle Waterbody Assessment” form so it can be added to the impaired waters list. In the Table include all of the standard information, except for the listing year include the next year that the 303(d) impaired waters list will be developed. Also include the footnote in the example below.) Example: Affected Use: Pollutant/Stress or Designated Use Class AUID/ Lake ID Stream or Lake Name Location/Reach Description Listing Year 13-0083-01 Goose Lake (North Bay) 5 miles SW of Rush City 2B, 3C 2008 Aquatic Recreation: 13-0083-02 Goose Lake (South Bay) 6 miles SW of Rush City 2B, 3C 2008 Nutrient/Eutrop hication 13-0073-00 Horseshoe Lake 4 miles WNW of Harris 2B, 3C 2010 Biological Indicators 58-0117-00 Rock Lake Pine City 2B, 3C 2016* 13-0069-02 Rush Lake (West) 6 miles W of Rush City 2B, 3C 2008 13-0069-01 Rush Lake (East) 5 miles W of Rush City 2B, 3C 2008 2012/2015 (Phosphorus) * Expected to be listed on the 2016 or 2018 303(d) Impaired Waters List. Text 1.3 Target Start/ Completion Priority Ranking MPCA’s schedule for TMDL completions, as indicated on the 303(d) impaired waters list, reflects Minnesota’s priority ranking of this TMDL. MPCA has aligned our TMDL priorities with the watershed approach and our WRAPS cycle. The schedule for TMDL completion corresponds to the WRAPS report completion on the ten-year cycle. MPCA developed a state plan Minnesota’s TMDL Priority Framework Report to meet the needs of EPA’s national measure (WQ-27) under EPA’s Long-Term Vision for XX Watershed TMDL • Month Year Minnesota Pollution Control Agency 1 Assessment, Restoration and Protection under the Clean Water Act Section 303(d) Program. As part of these efforts, MPCA identified water quality impaired segments which will be addressed by TMDLs by 2022. The [insert watershed] Watershed waters addressed by this TMDL are part of that MPCA prioritization plan to meet EPA’s national measure. XX Watershed TMDL • Month Year Minnesota Pollution Control Agency 2 2. Applicable Water Quality Standards and Numeric Water Quality Targets (Table with standards/targets; include narrative on designated use classes) (The following text needs to be included for all lake TMDLs. In addition, omit chlorophyll-a and Secchi results from model output.) In addition to meeting phosphorus limits, chlorophyll-a and Secchi transparency standards must also be met. In developing the lake nutrient standards for Minnesota lakes (Minn. Rule 7050), the MPCA evaluated data from a large cross-section of lakes within each of the state’s ecoregions (MPCA, 2005). Clear relationships were established between the causal factor total phosphorus and the response variables chlorophyll-a and Secchi transparency. Based on these relationships it is expected that by meeting the phosphorus target in each lake, the chlorophyll-a and Secchi standards will likewise be met. Reference to be included: MPCA. 2005. Minnesota Lake Water Quality Assessment Report: Developing Nutrient Criteria, 3rd Edition. September 2005.) Text XX Watershed TMDL • Month Year Minnesota Pollution Control Agency 3 3. Watershed and Waterbody Characterization (Avoid covering background information that is not required per se and is readily available in other reports, e.g., aquatic plant surveys, Watershed Monitoring and Assessment Reports) 3.1 Lakes (Table—morphometric info and subwatershed area) Text 3.2 Streams (Table—subwatershed area) Text 3.3 Subwatersheds (Figure(s) showing sub-watersheds for each waterbody – lake or stream reach – so it’s clear what area is included in the TMDL; if it’s not readily apparent show drainage patterns) Text 3.4 Land Use (Table, figure; include citation/source and year) Text 3.5 Current/Historic Water Quality (Figures/tables should use the most recent 10 years of data; provide concentrations and loads; limit number of figures for lakes by placing all variables—TP, chl-a, Secchi—in one figure, if possible; show the applicable water quality standard for each waterbody; include biota data summary for biota impairments; also, allow figures / tables to speak for themselves—don’t repeat the numbers in the narrative, but do comment on trends and broad conclusions) Text 3.6 Pollutant Source Summary 3.6.1 [Parameter#1, e.g., E. coli] Text 3.6.1.1 Permitted (Either narrative or table(s) – should not be a list of specific regulated entities (since those are in section 4.1.7), rather identify the source categories (e.g., regulated stormwater, wastewater, CAFO(s)) by subwatershed and also explain the actual sources within those categories (i.e., rather than just say “stormwater runoff” state that bacteria comes from fecal matter from whichever animals; nutrients XX Watershed TMDL • Month Year Minnesota Pollution Control Agency 4 from grass clippings, leaves, soil, etc.); also briefly describe delivery mechanisms (e.g., runoff during certain times/conditions; sanitary/stormwater cross-connections through pipes); provide estimates or relative magnitudes of loading from identified sources. It is also important to note that groups like MN DOT, County Highway Departments, Colleges, and Jails are covered by MS4 permits across the state when they overlap the urbanized area. The map below shows the current (2010) urbanized area, so if a project is underway and encompasses one of these areas it will be important to work with the Stormwater staff to verify these sources when the project starts. ) Text XX Watershed TMDL • Month Year Minnesota Pollution Control Agency 5 3.6.1.2 Non-permitted (Either narrative or table(s) – avoid consolidating all nonpoint sources (“watershed runoff”); instead address separate nonpoint sources, including various agricultural sources, natural background, aquatic invasive species if they impact water quality (e.g., carp, curlyleaf pondweed), atmospheric deposition; explain actual sources and delivery mechanisms; provide estimates or relative magnitudes of loading from identified sources) Text 3.6.2 [Parameter #2] Text 3.6.2.1 Permitted Text 3.6.2.2 Non-permitted Text XX Watershed TMDL • Month Year Minnesota Pollution Control Agency 6 4 TMDL Development 4.1 [Parameter #1] 4.1.1 Loading Capacity (It is very important to identify any models used, explain why they were selected and clearly explain how they were built (calibrated/validated) and used. When EPA approves a load duration curve TMDL they are actually approving the curve itself as the TMDL, not just the midpoints typically shown in TMDL tables. Below is text that can be used to explain this. Also, note on a map the location of the flow station used for generating the curve. This becomes an issue with larger TMDLs with several sampling points.) The load duration curve method is based on an analysis that encompasses the cumulative frequency of historic flow data over a specified period. Because this method uses a long-term record of daily flow volumes virtually the full spectrum of allowable loading capacities is represented by the resulting curve. In the TMDL equation tables of this report (Tables XX – XX) only five points on the entire loading capacity curve are depicted (the midpoints of the designated flow zones). However, it should be understood that the entire curve represents the TMDL and is what is ultimately approved by EPA. Text 4.1.2 Load Allocation Methodology (Include baseline year/conditions from which reductions are based. For those without a baseline year provide a description of the conditions used in the modeling.) Text 4.1.3 Watershed Allocation Methodology (Include baseline year/conditions from which reductions are based. For those without a baseline year provide a description of the conditions used in the modeling. Also clearly state how the WLA was separated from the LA and how individual WLAs were set. There needs to be enough description to explain why we believe this to be an appropriate/justifiable way to provide allowable loads. If a categorical WLA was used provide a justification for using that approach.) Text 4.1.4 Margin of Safety (For implicit MOS, discussion is needed on why the conservative assumptions are conservative. Do they overestimate loadings, or underestimate reductions? For explicit MOS, why is X% considered sufficient?) Text XX Watershed TMDL • Month Year Minnesota Pollution Control Agency 7 4.1.5 Seasonal Variation Text 4.1.6 Reserve Capacity Text (Include if necessary, otherwise delete) 4.1.7 TMDL Summary (Table; the table can be for each impaired waterbody and pollutant or multiple waterbodies; if categorical WLA for MS4s or wastewater an additional table will be needed showing the regulated entities; also need to include the % reduction on the table) Text (Example of TMDL Table: all information regarding existing load, WLA, and LA are in the same table. Using the one table format shown below, allows for less errors between multiple tables. It is also import to use the same TMDL table format across the entire report.) Table 4.1. Dutch Lake TMDL summary. Wasteload Load TOTAL LOAD Total WLA Construction/Industrial SW Hennepin Co. (MS400138) Minnetrista (MS400106) Mound (MS400108) Total LA Non-MS4 runoff SSTS Upstream lakes Atmospheric deposition Groundwater Internal load MOS Existing TP Load lbs/yr lbs/day 591 1.62 319 0.874 1 0.00406 1 0.00354 288 0.787 29 0.0795 272 0.745 10 0.0281 46 0.125 0 0 42 0.115 0 0 174 0.476 Allowable TP Load lbs/yr lbs/day 347 0.950 126 0.346 1 0.00406 0.5 0.00129 115 0.314 10 0.0268 203 0.557 5 0.0127 0 0 0 0 42 0.115 0 0 157 0.429 17 0.0475 Estimated Load Reduction lbs/yr % 262 44 193 60 0.0 0 0.8 64 173 60 19 66 69 25 6 55 46 100 0 NA 0 0 0 NA 17 10 4.2 [Parameter #2] 4.2.1 Loading Capacity Methodology Text XX Watershed TMDL • Month Year Minnesota Pollution Control Agency 8 4.2.2 Load Allocation Methodology Text 4.2.3 Wasteload Allocation Methodology Text 4.2.4 Margin of Safety Text 4.2.5 Season Variation Text 4.2.6 Reserve Capacity (Include if necessary, otherwise delete) Text 4.2.7 TMDL Summary Text XX Watershed TMDL • Month Year Minnesota Pollution Control Agency 9 5 Future Growth Considerations [This section, or parts of it, may not be needed for all projects.] 5.1 New or Expanding Permitted MS4 WLA Transfer Process Future transfer of watershed runoff loads in this TMDL may be necessary if any of the following scenarios occur within the project watershed boundaries: 1. New development occurs within a regulated MS4. Newly developed areas that are not already included in the WLA must be transferred from the LA to the WLA to account for the growth. 2. One regulated MS4 acquires land from another regulated MS4. Examples include annexation or highway expansions. In these cases, the transfer is WLA to WLA. 3. One or more non-regulated MS4s become regulated. If this has not been accounted for in the WLA, then a transfer must occur from the LA. 4. Expansion of a US Census Bureau Urban Area encompasses new regulated areas for existing permittees. An example is existing state highways that were outside an Urban Area at the time the TMDL was completed, but are now inside a newly expanded Urban Area. This will require either a WLA to WLA transfer or a LA to WLA transfer. 5. A new MS4 or other stormwater-related point source is identified and is covered under a NPDES permit. In this situation, a transfer must occur from the LA. Load transfers will be based on methods consistent with those used in setting the allocations in this TMDL [Specify method, if needed. E.g., “Loads will be transferred on a simple land-area basis.”]. In cases where WLA is transferred from or to a regulated MS4, the permittees will be notified of the transfer and have an opportunity to comment. 5.2 New or Expanding Wastewater (TSS and E. coli TMDLs only) The MPCA, in coordination with the US EPA Region 5, has developed a streamlined process for setting or revising wasteload allocations (WLAs) for new or expanding wastewater discharges to waterbodies with an EPA approved TMDL (MPCA, 2012). This procedure will be used to update WLAs in approved TMDLs for new or expanding wastewater dischargers whose permitted effluent limits are at or below the instream target and will ensure that the effluent concentrations will not exceed applicable water quality standards or surrogate measures. The process for modifying any and all WLAs will be handled by the MPCA, with input and involvement by the US EPA, once a permit request or reissuance is submitted. The overall process will use the permitting public notice process to allow for the public and US EPA to comment on the permit changes based on the proposed WLA modification(s). Once any comments or concerns are addressed, and the MPCA determines that the new or expanded wastewater discharge is consistent with the applicable water quality standards, the permit will be issued and any updates to the TMDL WLA(s) will be made. For more information on the overall process visit the MPCA’s TMDL Policy and Guidance webpage. XX Watershed TMDL • Month Year Minnesota Pollution Control Agency 10 6 Reasonable Assurance Text XX Watershed TMDL • Month Year Minnesota Pollution Control Agency 11 7 Monitoring Plan Text XX Watershed TMDL • Month Year Minnesota Pollution Control Agency 12 8 Implementation Strategy Summary 8.1 Permitted Sources 8.1.1 Construction Stormwater The wasteload allocation for stormwater discharges from sites where there is construction activity reflects the number of construction sites greater than one acre expected to be active in the watershed at any one time, and the Best Management Practices (BMPs) and other stormwater control measures that should be implemented at the sites to limit the discharge of pollutants of concern. The BMPs and other stormwater control measures that should be implemented at construction sites are defined in the State's NPDES/SDS General Stormwater Permit for Construction Activity (MNR100001). If a construction site owner/operator obtains coverage under the NPDES/SDS General Stormwater Permit and properly selects, installs and maintains all BMPs required under the permit, including those related to impaired waters discharges and any applicable additional requirements found in Appendix A of the Construction General Permit, the stormwater discharges would be expected to be consistent with the WLA in this TMDL. It should be noted that all local construction stormwater requirements must also be met. 8.1.2 Industrial Stormwater The wasteload allocation for stormwater discharges from sites where there is industrial activity reflects the number of sites in the watershed for which NPDES industrial stormwater permit coverage is required, and the BMPs and other stormwater control measures that should be implemented at the sites to limit the discharge of pollutants of concern. The BMPs and other stormwater control measures that should be implemented at the industrial sites are defined in the State's NPDES/SDS Industrial Stormwater Multi- Sector General Permit (MNR050000), [or facility specific Individual Wastewater Permit (MN00XXXXX)( This is project specific, and is only used if you do assign a WLA to a specific industry. If not, delete.] or NPDES/SDS General Permit for Construction Sand & Gravel, Rock Quarrying and Hot Mix Asphalt Production facilities (MNG490000). If a facility owner/operator obtains stormwater coverage under the appropriate NPDES/SDS Permit and properly selects, installs and maintains all BMPs required under the permit, the stormwater discharges would be expected to be consistent with the WLA in this TMDL. It should be noted that all local stormwater management requirements must also be met. 8.1.3 MS4 Text 8.1.4 Wastewater Text 8.2 Non-Permitted Sources 8.2.1 Agriculture Text XX Watershed TMDL • Month Year Minnesota Pollution Control Agency 13 8.2.2 XXXX Text 8.3 Cost (Needs to include overall cost estimate to achieve TMDLs separated by permitted and non-permitted actions) Text 8.4 Adaptive Management Example: This list of implementation elements and the more detailed WRAPS report that will be prepared following this TMDL assessment focuses on adaptive management Figure X. Continued monitoring and “course corrections” responding to monitoring results are the most appropriate strategy for attaining the water quality goals established in this TMDL. Management activities will be changed or refined to efficiently meet the TMDL and lay the groundwork for de-listing the impaired water bodies. Figure X. Adaptive Management XX Watershed TMDL • Month Year Minnesota Pollution Control Agency 14 9 Public Participation Text XX Watershed TMDL • Month Year Minnesota Pollution Control Agency 15 10 Literature Cited Text XX Watershed TMDL • Month Year Minnesota Pollution Control Agency 16 Appendices (Include modeling input/output summary, avoid including separate published reports here – link to them instead) XX Watershed TMDL • Month Year Minnesota Pollution Control Agency 17
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