NPDES permit VA0021199 · Major POTW · effective, expires 2027-08-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileLast period with anything received: 2026-07-31.
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] | DAILY MN | >= 6.2 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 18 mg/L | Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 30 mg/L | Jan, Feb, Mar, Apr, May, Dec |
| 001 | BOD, 5-day, 20 deg. C | WKLY AVG | <= 27 mg/L | Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | BOD, 5-day, 20 deg. C | WKLY AVG | <= 45 mg/L | Jan, Feb, Mar, Apr, May, Dec |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 270 kg/d | Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 450 kg/d | Jan, Feb, Mar, Apr, May, Dec |
| 001 | BOD, 5-day, 20 deg. C | WKLY AVG | <= 410 kg/d | Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | BOD, 5-day, 20 deg. C | WKLY AVG | <= 680 kg/d | Jan, Feb, Mar, Apr, May, Dec |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | report only | all year |
| 001 | pH | DAILY MN | >= 6 SU | all year |
| 001 | pH | DAILY MX | <= 9 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 | <= 450 kg/d | all year |
| 001 | Solids, total suspended | WKLY AVG | <= 680 kg/d | all year |
| 001 | Solids, total suspended | MO AVG | report only | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 7.3 mg/L | Jan, Feb, Mar, Apr, May, Dec |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 3.6 mg/L | Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Nitrogen, ammonia total [as N] | MAXIMUM | <= 7.3 mg/L | Jan, Feb, Mar, Apr, May, Dec |
| 001 | Nitrogen, ammonia total [as N] | MAXIMUM | <= 3.6 mg/L | Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Flow, in conduit or thru treatment plant | MO AVG | <= 4 MGD (alert) | all year |
| 001 | Flow, in conduit or thru treatment plant | MAXIMUM | report only (alert) | all year |
| 001 | BOD, percent removal [total] | MO AV MN | >= 85 % | all year |
| 001 | E. coli | GEO MEAN | <= 126 #/100mL | 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