9VAC25-280-50: Ground water standards applicable by physiographic province

CONSTITUENT

CONCENTRATION

Coastal Plain

Piedmont & Blue Ridge

Valley & Ridge

Cumberland Plateau

pH

6.5-9

5.5-8.5

6-9

5-8.5

Ammonia Nitrogen

0.025 mg/l

0.025 mg/l

0.025 mg/l

0.025 mg/l

Nitrite Nitrogen

0.025 mg/l

0.025 mg/l

0.025 mg/l

0.025 mg/l

Nitrate Nitrogen

5 mg/l

5 mg/l

5 mg/l

0.5 mg/l