Monitor = check
Water is necessary for life…
Water is necessary for life…
Water is necessary for life…
…but sometimes it can be really
messed up!
…but sometimes it can be really
messed up!
…but sometimes it can be really
messed up!
…but sometimes it can be really
messed up!
…but sometimes it can be really
messed up!
The EPA (Environmental Protection
Agency) monitors US water.
The EPA (Environmental Protection
Agency) monitors US water.
The EPA checks water for….
1.
2.
3.
4.
5.
6.
7.
The EPA checks water for….
1.
2.
3.
4.
5.
6.
7.
TEMPERATURE
DISSOLVED OXYGEN
NITRATES
PHOSPHATES
pH
TURBIDITY
BIO-INDICATORS
EPA considers water pollution from
TWO (2) sources:

POINT SOURCE  NON-POINT
SOURCE
Remember what helps cause
EUTROPHICATION?
Too much nitrates & phosphates
stop becoming helpful nutrients and
start becoming a pollution problem.
Do you think all this pollution
came from one spot?
NOOOOOOOO!
NOOOOOOOO!
All this RUN-OFF came from MANY farms
and industries.
MEANWHILE, OUT IN
THE GULF,THERE WAS
A BIG TRAGEDY.
THIS HERE A BP OFFSHORE OIL RIG.
IT CAUGHT FIRE.
IT WENT DOWN!
Here is where the BP oil rig broke its
pipe under the ocean.
Do you think this pollution comes from
one spot or a bunch of places?
Do you think this pollution comes from
one spot or a bunch of places?
ONE
SPOT
When you can POINT at
SINGLE place where pollution
came from…
When you can POINT at
SINGLE place where pollution
came from…
When you can POINT at a SINGLE
place where pollution came from…
…it’s a POINT SOURCE of POLLUTION!
When you can POINT at a
SINGLE place where pollution came
from…
…it’s a POINT SOURCE of
POLLUTION!
When you can POINT at SINGLE
place where pollution came from…
…it’s a POINT SOURCE of
POLLUTION!
When you can POINT at SINGLE
place where pollution came from…
…it’s a POINT SOURCE of
POLLUTION!
ON THE OTHER HAND…
ON THE OTHER HAND…
ON THE OTHER HAND…
If you CAN’T POINT to a SINGLE source…
ON THE OTHER HAND…
If you CAN’T POINT to a SINGLE source…
ON THE OTHER HAND…
If you CAN’T POINT to a SINGLE source…
ON THE OTHER HAND…
If you CAN’T POINT to a SINGLE source…
…WE CALL THIS NON-POINT source
POLLUTION.
ON THE OTHER HAND…
If you CAN’T POINT to a SINGLE source…
…WE CALL THIS NON-POINT
source POLLUTION.
WHICH KIND OF
POLLUTION IS
USUALLY HARDER TO
CONTROL?
Non-point source pollution is
usually harder to control.
Non-point source pollution is
usually harder to control.
It’s from many sources!.
Non-point pollution is usually
harder to control.
Who exactly
is
responsible?
You don’t know!
Hyperlink…
http://www.dep.state.fl.us/water/bioassess/d
ocs/posters/msrcpost.gif
Worksheet…
Test yourselves….

Point or Non-point source of pollution?
Test yourselves….

Point or Non-point source of pollution?
Test yourselves….

Point or Non-point source of pollution?
Test yourselves….

Point or Non-point source of pollution?
Test yourselves….

Point or Non-point source of pollution?
Test yourselves….

Point or Non-point source of pollution?
Test yourselves….

Point or Non-point source of pollution?
Test yourselves….

Run-off from sediments, pesticides,
farmlands are usually non-point source
of pollution!

shoot the teacher….