PARAMETER | CLASS AA | CLASS A | CLASS B |
---|---|---|---|
Temperature (Centegrade) |
<16 | <18 | <21 |
Dissolved Oxygen (mg/L) |
>9.5 | >8.0 | >6.5 |
pH | 6.5-8.56 | 6.5-8.5 | 6.5-8.5 |
Fecal Coliform (#100mL) |
<50 | <100 | <200 |
Dissolved Gas Saturation | <110% | <110% | <110% |
Turbidity | <5 NTU | <5 NTU | <10 NTU |
* Phosphorus | .1 ug/L | .1 ug/L | .1 ug/L |
* Nitrates/Nitrites | <10 mg/L | <10 mg/L | <10 mg/L |
* USEPA Water Quality Criteria for Water, 1986
Class AA: Water quality of this class shall exceed requirements for all uses. Uses include water supply (domestic, industrial, agricultural) stock watering, fish and shellfish, wildlife habitat, primary contact recreation, sport fishing, boating, and aesthetic enjoyment, commerce and navigation.
Class A: Water quality of this class shall exceed requirements for all uses. Uses include water supply (domestic, industrial, agricultural), stock watering fish and shellfish, wildlife habitat, primary contact recreation, sport fishing, boating, and aesthetic enjoyment, commerce and navigation.
Class B: Water quality of this class shall exceed requirements for all uses. Uses include water supply (industrial, agricultural), stock watering, fish and shellfish, wildlife habitat, secondary contact recreation, sport fishing, boating, and aesthetic enjoyment, commerce and navigation.