NPDES permit OH0004812 · Minor NON-POTW · effective, expires 2030-08-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileSign-ups are not open yet. We counted that someone asked — not who, and not which permit — and we open them once enough people do. The check stays free.
Last period with anything received: 2026-08-31.
Reports are due about 20 days after each monitoring period ends (the most common figure among OH permits in EPA's filings — check your permit).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | Temperature, water deg. centigrade | MO AVG | report only | all year |
| 001 | Temperature, water deg. centigrade | DAILY MX | report only | all year |
| 001 | pH | DAILY MN | >= 6.5 SU | all year |
| 001 | pH | DAILY MX | <= 9 SU | all year |
| 001 | Solids, total suspended | MO AVG | report only | all year |
| 001 | Solids, total suspended | DAILY MX | report only | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 16 mg/L | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | report only | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | report only | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 001 | Solids, total dissolved- 180 deg. C | MO AVG | <= 1500 mg/L | all year |
| 001 | Solids, total dissolved- 180 deg. C | DAILY MX | <= 3000 mg/L | all year |
| 601 | Solids, total suspended | MO AVG | <= 15 mg/L | all year |
| 601 | Solids, total suspended | DAILY MX | <= 19 mg/L | all year |
| 601 | Solids, total suspended | MO AVG | <= 154 kg/d | all year |
| 601 | Solids, total suspended | DAILY MX | <= 308 kg/d | all year |
| 601 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 601 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 803 | Temperature, water deg. centigrade | MO AVG | report only | Mar, Jun, Aug, Dec |
| 803 | Temperature, water deg. centigrade | DAILY MX | report only | Mar, Jun, Aug, Dec |
| 803 | pH | DAILY MN | report only | Mar, Jun, Aug, Dec |
| 803 | pH | DAILY MX | report only | Mar, Jun, Aug, Dec |
| 803 | Solids, total dissolved- 180 deg. C | MO AVG | report only | Mar, Jun, Aug, Dec |
| 803 | Solids, total dissolved- 180 deg. C | DAILY MX | report only | Mar, Jun, Aug, Dec |
| 901 | Temperature, water deg. centigrade | MO AVG | report only | Mar, Jun, Aug, Dec |
| 901 | Temperature, water deg. centigrade | DAILY MX | report only | Mar, Jun, Aug, Dec |
| 901 | pH | DAILY MN | report only | Mar, Jun, Aug, Dec |
| 901 | pH | DAILY MX | report only | Mar, Jun, Aug, Dec |
| 901 | Solids, total dissolved- 180 deg. C | MO AVG | report only | Mar, Jun, Aug, Dec |
| 901 | Solids, total dissolved- 180 deg. C | DAILY MX | report only | Mar, Jun, Aug, Dec |
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