Monitoring Results for Water Supply Emergency Order
Quality of Untreated Water Entering Mianus Water Treatment Plant
Inorganics
ND = not detected
Secondary Standards
Raw Water
Quality
Standards
mg/L
Date
9/30/2016
11/1/2016
12/5/2016
1/2/2017
0.01
1
0.01
250
0.05
1
0.2
Arsenic
ND
ND
ND
pending
Barium
0.042
0.05
0.05
pending
Cadmium
ND
ND
ND
pending
Chloride
64.0
64.0
64.0
73.0
Chromium
ND
ND
ND
pending
Copper
0.01
0.02
0.01
ND
Cyanide
ND
ND
ND
pending
0.003
0.070
0.050
2,4-D
ND
ND
ND
pending
2,4,5-TP (silvex)
Pesticides
Raw Water
Quality
Standards
mg/L
Date
9/30/2016
11/1/2016
12/5/2016
1/2/2017
0.002
0.0002
Endrin
ND
ND
ND
pending
Lindane
ND
ND
ND
pending
0.040
Methoxychlor Toxaphene
ND
ND
ND
pending
ND
ND
ND
pending
ND
ND
ND
pending
2
0.05
0.5
Fluoride
Lead
MBAS
0.05
ND
ND
0.06
ND
ND
0.06
ND
ND
pending pending
ND
0.005
10
1
Mercury
ND
ND
ND
pending
Nitrate
0.225
0.148
0.42
0.633
Nitrite
ND
ND
ND
ND
0.01
0.05
Selenium Silver
ND
ND
ND
ND
ND
ND
pending pending
NA
NA
Iron
NA
0.34
0.21
0.18
Manganese
NA
0.10
0.07
0.06