Water Quality Guidelines for Primary Parameters

BOD

1-3-5-7-15-na-na-na-na

Chloride

250-250-250-350-400-N-N-N-N

Color

5-50-50-75-150-5-50-75-150

Dissolved Oxygen (Minimum)

5-5-5-5-2-6-6-5-2

Fecal Coliform

<1.1-<1.1-100-200-400-<1.1-100-200-400

Nitrate as NO3-

7-7-7-7-15-10-10-10-15

pH (range)

(6.5-8.5)-(6.5-8.5)-(6.5-8.5)-(6.5-9.0)-(6-9)-(7-8.5)-(7-8.5)-(6.5-8.5)-(6-9)

Phosphate

<0.003-0.5-0.5-0.5-5-0.1-0.5-0.5-5

Temperature

(26-30)-(26-30)-(26-30)-(25-31)-(25-32)(26-30)-(26-30)-(25-31)-(25-32)

Total Suspended Solids

25-50-65-80-110-25-50-80-110

What is the order of Primary Parameters?

1. BOD

2. Chloride

3. Color

4. Dissolved Oxygen (Minimum)

5. Fecal Coliform

6. Nitrate as NO3-

7. pH

8. Phosphate

9. Temperature

10. Total Suspended Solids

What is the unit for BOD?

mg/L

What is the unit for Chloride?

mg/L

What is the unit for Color?

TCU (True Color Unit)

What is the unit for DO?

mg/L

What is the unit for Fecal Coliform?

MPN/100mL

What is the unit for Nitrate as NO3-?

mg/L

What is the unit for pH?

unitless

What is the unit for phosphate?

mg/L

What is the unit for Temperature?

°C

What is the unit for TSS?

mg/L

Samples subject to Water Quality Guidelines for Primary Parameters shall be taken from ___ to _____.

9AM-4PM