Chemical Data for the RAPIDAN RIVER at Route 610 (C-14)
 

Cycle

Air Temp (°F)

Water Temp (°F)

pH

DO Test 1

DO Test 2

Fecal Coliform

Nitrate (mg/L)

Nitrite (mg/L)

Total Phosphorus

Total Kjeldahl Nitrogen

Total Suspended Solids

Volatile Suspended Solids

Fixed Suspended Solids

Fall 01

52

44

7.5

13.6

13.2

<100

0.1

<0.01

<0.1 ppm

1.3 mg/L

<3 mg/L

<3 mg/L

<3 mg/L

Winter 02

61.5

47

7.0

12.3

12.2

<100

0.44

<0.01

0.2 ppm

0.4 mg/L

<3 mg/L

<3 mg/L

<3 mg/L

Spring 02

82

76.5

8.8

10.4

10.7

<100

<0.04

<0.01

<0.1 ppm

0.6 mg/L

3 mg/L

<3 mg/L

3 mg/L

Summer 02 77 83 7.0 7.1 7.0 n/d n/d n/d 0.1 ppm 0.8 mg/L n/d n/d <3 mg/L
Winter 03 40 37 6.5 12.9 13.0 < 100 0.01 1.4 < 0.1 ppm 0.3 mg/l 3 mg/l  < 3 mg/l < 3 mg/l
Return to C-14.     n/d = No data     DO = Dissolved Oxygen     ppm = Parts per million     mg/L = milligrams per liter