Turbidity
|
5 NTU units
|
Color
|
15 Color units
|
Threshold Odor Number
|
3 units
|
pH
|
6.5 - 8.5
|
Arsenic
|
10 micrograms/L (ppb) (As+3 plus
As+5)
|
Chloride
|
250 mg/L (ppm)
|
Nitrogen (as Nitrate + Nitrite)
|
10 mg/L (ppm)
|
Iron
|
3 mg/L (ppm)
|
Sodium
|
20 mg/L (ppm)
|
Manganese
|
50 micrograms/L (ppb)
|
Copper
|
1 mg/L (ppm)
|
Hardness
|
250 mg/L (ppm) as CaCO3
|
Detergent
|
0.5 mg/L (ppm) as MBAS
|
Total Dissolved Solids
|
500 mg/L (ppm)
|
Total of all chlorinated alkanes and alkenes
|
5 micrograms/L (ppb)
|
Lead
|
15 micrograms/L (ppb)
|
MTBE - methyl tertiary butyl ether
|
20 micrograms/L or (20ppb)
|
Fecal Coliform
|
Less than 1 colony per 100 ml
|
Total Plate Count
|
Less than 500 counts per 100 ml
|
Abbreviations for Potential Contaminants
| |
---|---|
MP
|
Microbiological Pathogens: Total/Fecal Coliform, Viruses, Protozoa
|
NN
|
Nitrate/Nitrite
|
VOC
|
Volatile Organic Compounds
|
HM
|
Heavy Metals
|
M
|
Metals
|
SOC
|
Synthetic Organic Compounds
|
T
|
Turbidity
|
D
|
Disinfection by product precursors
|
TO
|
Taste and Odor precursors
|
R
|
Radionuclides (anthropogenic)
|
PH
|
Petroleum Hydrocarbons
|
Agricultural
|
Potential Contaminant
|
Animal feedlots
|
MP, NN, SOC, M
|
Dairy farms
|
MP, SOC, NN
|
Fertilizer storage or use
|
SOC, NN
|
Manure-spreading or storage
|
MP, NN
|
Pesticide storage or use
|
SOC
|
Silviculture
|
T, SOC
|
Slaughterhouses
|
MP, NN
|
Commercial
|
Potential Contaminant
|
Airports
|
VOC, M, HM, PH
|
Auto repair shops
|
VOC, HM, PH, M
|
Bus and truck terminals
|
VOC, HM, SOC, PH
|
Car washes
|
T, M
|
Construction areas
|
VOC, HM, M
|
Dry cleaners
|
VOC
|
Funeral homes
|
VOC, SOC, MP
|
Furniture refinishing
|
HM, VOC
|
Gas/service stations
|
VOC, PH, M
|
Golf courses
|
SOC, NN, T, HM, M
|
Junkyards
|
VOC, HM, M, PH
|
Laundromats
|
T
|
Lumber yards
|
VOC, HM
|
Medical facilities
|
VOC, HM, M, SOC, R
|
On-lot wastewater disposal
|
MP, NN
|
Paint shops
|
VOC, HM
|
Photo processors
|
VOC, SOC, HM
|
Printer and blueprint shops
|
VOC, SOC, HM,
|
Railroad tracks and yards
|
VOC, SOC, HM, PH
|
Repair shops (engine, appliances, etc.)
|
VOC, HM, PH
|
Research laboratories
|
VOC, SOC, HM, M
|
Rust proofers
|
HM, VOC
|
Sand and gravel mining/washing
|
T, M, VOC, HM
|
Industrial
|
Potential Contaminant
|
Asphalt, coal tar, and concrete plants
|
VOC, PH
|
Chemical manufacture
|
VOC, SOC, HM, M
|
Deep coal mining
|
HM, M, T
|
Deep non-coal mining
|
M, HM, T
|
Electronics manufacture
|
VOC, SOC, HM, M
|
Electroplaters
|
VOC, SOC, HM, M
|
Food processors
|
HM, VOC, M
|
Foundries or metal fabricators
|
HM, VOC, PH
|
Fuel oil distributors
|
PH, VOC
|
Hazardous materials storage, treatment and recycling
|
VOC, SOC
|
Industrial lagoons and pits
|
VOC, HM, M
|
Industrial parks
|
VOC, SOC, HM, M, PH, O
|
Jewelry or metalplating
|
VOC, HM, M, SOC
|
Machine/metalworking shops
|
VOC, HM, M, SOC
|
Metal and drum reconditioning
|
VOC, HM, M, SOC
|
Oil and gas wells/production
|
M, PH, VOC
|
Oil refineries
|
VOC, PH, HM, M
|
Plastics manufacturing
|
PH, VOC, SOC, HM
|
Power plants
|
HM, M
|
Quarries
|
T, M, VOC, HM
|
RCRA facilities
|
VOC, SOC
|
Storage facilities (petroleum and chemical)
|
VOC, SOC, PH
|
Surface coal mining
|
T, M, HM
|
Surface non-coal mining
|
T, M, HM
|
Tanneries
|
HM, M, VOC
|
Wood preserving facilities
|
SOC, HM
|
Residential
|
Potential Contaminant
|
Fuel oil storage
|
VOC, PH
|
Household hazardous materials
|
VOC, SOC
|
Lawn care
|
SOC, NN, M
|
On-lot waste disposal
|
MP, NN
|
Swimming pools
|
VOC
|
Miscellaneous
|
Potential Contaminant
|
Abandoned wells
|
SOC, VOC
|
Aboveground storage tanks
|
VOC, PH
|
Air pollution/local sources
|
N, VOC, M
|
Aquatic wildlife
|
MP, NN
|
Boating yards and marinas
|
PH, VOC, SOC
|
Combined sewer outfalls
|
VOC, SOC, MP, NN, HM, TO
|
Composting facilities
|
TO
|
Dredge disposal
|
T, VOC, SOC, M, HM
|
Fire training facilities
|
VOC, PH, M, HM
|
Land application of sewage sludge
|
MP, NN, M, HM
|
Landfills and dumps
|
VOC, HM, SOC, NN, MP, M
|
Large quantity hazardous waste generators
|
VOC, SOC, HM
|
Military facilities (past and present)
|
VOC, SOC, HM, R, PH
|
NPDES locations
|
MP, NN, HM
|
Pipelines - petroleum
|
VOC, PH
|
Pipelines - sewer
|
MP, NN, T
|
Recycling or reduction facilities
|
VOC
|
River barges/shipping
|
VOC, SOC, PH
|
Road and maintenance depots
|
VOC, SOC, M
|
Road deicing
|
M
|
Road salt storage
|
M
|
Small quantity hazardous waste generators
|
VOC, SOC, HM
|
Snow dumps
|
M, T
|
Stormwater facilities
|
T, VOC, SOC, NN, M
|
Transportation corridors
|
SOC, M, T
|
Underground petroleum storage tank
|
VOC
|
Utility substation
|
SOC, VOC, HM
|
Waste incinerators
|
HM, VOC, SOC
|
Wastewater treatment plants
|
D, MP, NN, VOC, SOC, M
|
Wells/Borehole drilling
|
SOC, VOC, M, T
|