NPDES permit VA0090263 · Major POTW · effective, expires 2029-10-31 · EPA's file as of 2026-09-19
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Last 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 |
|---|---|---|---|---|
| 003 | Oxygen, dissolved [DO] | MINIMUM | >= 5 mg/L | all year |
| 003 | pH | DAILY MN | >= 6.5 SU | all year |
| 003 | pH | DAILY MX | <= 9 SU | all year |
| 003 | Solids, total suspended | MO AVG | <= 20 mg/L | all year |
| 003 | Solids, total suspended | MX WK AV | <= 30 mg/L | all year |
| 003 | Solids, total suspended | MO AVG | <= 220 kg/d | all year |
| 003 | Solids, total suspended | MX WK AV | <= 330 kg/d | all year |
| 003 | Solids, total suspended | MO AVG | report only | all year |
| 003 | Nitrogen, ammonia total [as N] | MO AVG | <= 4.7 mg/L | Jan, Feb, Mar, Apr, May |
| 003 | Nitrogen, ammonia total [as N] | MO AVG | <= 1.1 mg/L | Jun, Jul, Aug, Sep, Oct, Nov, Dec |
| 003 | Nitrogen, ammonia total [as N] | MX WK AV | <= 6 mg/L | Jan, Feb, Mar, Apr, May |
| 003 | Nitrogen, ammonia total [as N] | MX WK AV | <= 1.4 mg/L | Jun, Jul, Aug, Sep, Oct, Nov, Dec |
| 003 | Flow, in conduit or thru treatment plant | MO AVG | <= 2.923 MGD (alert) | all year |
| 003 | Flow, in conduit or thru treatment plant | DAILY MX | report only (alert) | all year |
| 003 | E. coli | GEO MEAN | <= 83 #/100mL | all year |
| 003 | Nitrogen, Total As N | ANNL AVG | <= 3.6 mg/L | all year |
| 003 | Phosphorus, Total As P | ANNL AVG | <= .27 mg/L | all year |
| 003 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 25 mg/L | Jan, Feb, Mar, Apr, May |
| 003 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 8 mg/L | Jun, Jul, Aug, Sep, Oct, Nov, Dec |
| 003 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | <= 40 mg/L | Jan, Feb, Mar, Apr, May |
| 003 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | <= 12 mg/L | Jun, Jul, Aug, Sep, Oct, Nov, Dec |
| 003 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 280 kg/d | Jan, Feb, Mar, Apr, May |
| 003 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 90 kg/d | Jun, Jul, Aug, Sep, Oct, Nov, Dec |
| 003 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | <= 440 kg/d | Jan, Feb, Mar, Apr, May |
| 003 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | <= 130 kg/d | Jun, Jul, Aug, Sep, Oct, Nov, Dec |
| 003 | BOD, carbonaceous [5 day, 20 C] | MO AVG | report only | all year |
| 003 | BOD, carb-5 day, 20 deg C, percent removal | MO AV MN | >= 85 % | all year |
| 003 | Solids, suspended percent removal | MO AV MN | >= 85 % | all year |
| 003 | TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | MAXIMUM | <= 1.82 tox chronic | 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