Water provision |
Solids accumulation & pollutants concentrations in Urban Areas |
|||||||||||
source |
vol (l/inhab.day) |
TSS (g/inhab.day) |
CBOD (g/inhab.day) |
total N (g/inhab.day) |
Total P (g/inhab.day) |
Land Use |
Residential low density |
Residential high density |
Commercial |
Light industrial |
Highways |
|
household |
220 |
38 |
45 |
15 |
4 |
Solids accumulations (g/curb.m) |
10 - 182 |
30 - 110 |
13 - 180 |
80 - 288 |
13 - 1100 |
|
sanitary sewage no industry |
|
|
54 |
|
|
Pollutants concentrations µg/g |
BOD |
5260 |
3370 |
7190 |
2920 |
2300 - 10000 |
combined sewage little industry |
|
|
73 |
|
|
COD |
39300 - 40000 |
40000 - 42000 |
39000 - 61730 |
25100 |
53650 -80000 |
|
average cities |
400 |
95 |
100 |
14 |
|
Tot: N |
460 - 480 |
530 - 610 |
410 - 420 |
430 |
223 - 1600 |
|
combined sewage much industry |
|
|
150 |
|
|
Pb |
1570 |
1980 |
2330 |
1390 |
450 - 2346 |
|
|
|
|
|
|
|
|
Cd |
3.2 |
2.7 |
2.9 |
3.6 |
2.1 - 10.2 |
|
|
|
|
|
|
Fecal coliforms (MPN/g) |
60570 - 82000 |
25621 - 31800 |
36900 |
30700 |
18768 - 38000 |
|
Non point source water runoff pollutants |
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|
|
nutrients |
Oils& greases |
Toxic chemical |
sediments |
organics |
metals |
pathogen bacteria |
heat |
|||
nursery |
agriculture |
significant |
|
significant |
significant |
significant |
|
|
|
|||
Crop farm |
agriculture |
significant |
|
significant |
significant |
significant |
|
|
|
|||
livestock/hobby farms |
agriculture |
significant |
|
|
significant |
significant |
|
significant |
significant |
|||
feed/seed/fertilizer supply |
agriculture |
significant |
|
significant |
|
significant |
|
|
|
|||
restaurants |
commercial/retail |
significant |
significant |
|
|
significant |
|
significant |
|
|||
Dry cleaners |
commercial/retail |
|
|
significant |
|
|
|
|
significant |
|||
Garden centers |
commercial/retail |
significant |
|
significant |
significant |
significant |
significant |
|
|
|||
Printing shops |
commercial/retail |
|
|
significant |
|
|
|
|
|
|||
Roof washoff |
urban stormwater |
significant |
significant |
significant |
significant |
significant |
significant |
|
significant |
|||
lawn/landscape washoff |
urban stormwater |
significant |
|
significant |
significant |
significant |
|
significant |
|
|||
Yard debris |
urban stormwater |
significant |
|
|
significant |
significant |
|
significant |
|
|||
Septic systems |
urban stormwater |
significant |
|
significant |
|
significant |
|
significant |
|
|||
household |
urban stormwater |
|
significant |
significant |
|
|
significant |
|
|
|||
Illicit dumps |
diverse |
significant |
significant |
significant |
significant |
significant |
significant |
significant |
|
|||
cementeris |
diverse |
significant |
|
significant |
significant |
|
|
|
|
|||
warehouses |
diverse |
|
significant |
significant |
|
significant |
significant |
|
significant |
|||
Fuel storage facilities |
diverse |
|
significant |
significant |
|
|
significant |
|
|
|||
Streambank erosion |
diverse |
significant |
|
|
significant |
significant |
|
|
|
|||
Ditch cleaning/defoliating |
diverse |
significant |
|
significant |
significant |
significant |
|
|
|
|||
filling/diverting streams |
diverse |
significant |
|
|
significant |
significant |
|
|
|
|||
Loss of buffer zones |
diverse |
|
|
|
significant |
significant |
|
|
|
|||
Boating & marinas |
diverse |
significant |
significant |
significant |
|
significant |
|
significant |
|
|||
clearing/grading |
construction |
significant |
significant |
|
significant |
significant |
|
|
significant |
|||
building |
construction |
|
significant |
significant |
significant |
|
|
|
|
|||
roadways/packing lots |
transportation |
significant |
significant |
significant |
significant |
significant |
significant |
|
significant |
|||
service/repair stations |
transportation |
|
significant |
significant |
significant |
significant |
significant |
|
significant |
|||
car/truck washes |
transportation |
significant |
significant |
significant |
significant |
significant |
significant |
|
significant |
|||
Oil change shops |
transportation |
|
significant |
significant |
significant |
significant |
significant |
|
significant |
|||