Roseland
Surface Water Quality Testing Results
Locations Tested
|
|
1. Stream
crossing Mitchell Avenue
2. Canoe Brook parallel to Ford Lane
3. Stream crossing Laurel Ave between Thackeray and Pine
4. Stream Crossing Livingston Ave. near Prudential
5. Stream crossing Passaic Ave. near Eagle Rock
6. Stream crossing Passaic Ave. at Noecker School |
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|
|
1 |
2 |
3 |
4 |
5 |
6 |
|
|
Location |
|
Mitchell
Ave |
Ford Ln |
Laurel Ave |
Livingston
Ave |
Passaic
Ave |
Noecker
School |
Criteria and
Comments |
|
Test |
units |
|
|
|
|
|
|
|
|
Total
Nitrogen |
ppm |
1.0 |
1.0 |
3.5 |
0.11 |
0.6 |
0.10 |
|
|
Total
Phosphorus |
ppm |
0.17 |
0.47 |
0.09 |
0.6 |
0.08 |
0.8 |
standard:
shall not exceed 0.1 ppm |
|
Volatiles |
ppm |
ND |
ND |
ND |
ND |
ND |
ND |
|
|
Petroleum
Hydrocarbons |
ppm |
0.29 |
<0.2 |
<0.2 |
<0.2 |
<0.2 |
0.51 |
goal is none
detectable |
|
Pesticides |
ppb |
ND |
ND |
ND |
ND |
ND |
ND |
|
|
Herbicides |
ppb |
ND |
ND |
ND |
ND |
ND |
0.42 |
upper test
limit 0.3 ppb; 2,4D; see note (1) |
|
Temperature
above ambient |
deg C |
3 |
none |
none |
none |
none |
none |
criteria:
< 2.8 deg C above ambient |
|
Notes
Numbers in Red
indicate elevated levels or values exceeding State Criteria
Criteria from NJAC 7:9B Surface Water Quality Standards
ND = not detected by the test
ppm = parts per million
ppb = parts per billion
criteria limit will be Toxic Substances (general);
(1) 2,4 dichlorophenoxyacetic acid |
|
Follow Up
Testing
Later
testing of the stream at location 6 and other locations upstream gave
non-detectable concentrations of herbicides.
Later
testing of the stream at location 2 gave petroleum hydrocarbon levels of
0.7 ppm |
|
Significance
of Tests |
|
Nitrogen and
phosphorus: The levels of these two nutrients have a critical
controlling effect on the aquatic biota living in a stream. They are
probably the best indicators of changes in stream health.
Volatiles:
volatile organic compounds that may be polluting a stream.
Petroleum
Hydrocarbons: organic compounds originating from petroleum or petroleum
products. Sources are often dumpers or leaking underground tanks.
Pesticides
and Herbicides: often present from overtreatment of lawns or from golf
courses. Usually arises from runoff from non-point sources of pollution.
Temperature:
an elevated temperature above ambient usually indicates water is being
added to the stream from some human activity. |
|
11/1/02 |
