NPDES permit VA0021148 · Minor NON-POTW · effective, expires 2028-03-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileLast period with anything received: 2026-07-31. Most often over: BOD, carb-5 day, 20 deg C, percent removal (1), Solids, suspended percent removal (1).
Reports are due about 10 days after each monitoring period ends (the most common figure among VA permits in EPA's filings — check your permit).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | Oxygen, dissolved [DO] | MINIMUM | >= 5 mg/L | all year |
| 001 | pH | MINIMUM | >= 6.5 SU | all year |
| 001 | pH | MAXIMUM | <= 9.5 SU | all year |
| 001 | Solids, total suspended | MO AVG | <= 30 mg/L | all year |
| 001 | Solids, total suspended | WKLY AVG | <= 45 mg/L | all year |
| 001 | Solids, total suspended | MO AVG | <= .45 kg/d | all year |
| 001 | Solids, total suspended | WKLY AVG | <= .68 kg/d | all year |
| 001 | Solids, total suspended | MO AVG | report only | all year |
| 001 | Nitrogen, total [as N] | MAXIMUM | report only | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 2.6 mg/L | all year |
| 001 | Nitrogen, ammonia total [as N] | WKLY AVG | <= 2.6 mg/L | all year |
| 001 | Nitrogen, Kjeldahl, total [as N] | MAXIMUM | report only | all year |
| 001 | Nitrite + Nitrate total [as N] | MAXIMUM | report only | all year |
| 001 | Phosphorus, total [as P] | MAXIMUM | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | MO AVG | <= .004 MGD (alert) | all year |
| 001 | Flow, in conduit or thru treatment plant | MAXIMUM | report only (alert) | all year |
| 001 | Chlorine, total residual | MO AVG | <= .008 mg/L | all year |
| 001 | Chlorine, total residual | MX WK AV | <= .0098 mg/L | all year |
| 001 | Chlorine, total residual | INST MIN | >= .6 mg/L | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 15 mg/L | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | WKLY AVG | <= 22 mg/L | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= .23 kg/d | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | WKLY AVG | <= .33 kg/d | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | report only | all year |
| 001 | BOD, carb-5 day, 20 deg C, percent removal | MO AV MN | >= 85 % | all year |
| 001 | Solids, suspended percent removal | MO AV MN | >= 85 % | all year |
Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states