NPDES permit RI0023965 · Minor NON-POTW · effective, expires 2027-03-31 · EPA's file as of 2026-09-19
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Last period with anything received: 2026-06-30. Most often over: Turbidity, increase over background (4), Solids, total suspended (3).
Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | Turbidity | MO AVG | report only | all year |
| 001 | Turbidity | DAILY MX | report only | all year |
| 001 | pH | MINIMUM | >= 6.5 SU | all year |
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | Solids, total suspended | MO AVG | <= 25 mg/L | all year |
| 001 | Solids, total suspended | DAILY MX | <= 45 mg/L | all year |
| 001 | Nitrogen, total [as N] | MO AVG | report only | all year |
| 001 | Nitrogen, total [as N] | DAILY MX | report only | all year |
| 001 | Nitrite + Nitrate total [as N] | MO AVG | report only | all year |
| 001 | Nitrite + Nitrate total [as N] | DAILY MX | report only | all year |
| 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 | Turbidity, background | MO AVG | report only | all year |
| 001 | Turbidity, background | DAILY MX | report only | all year |
| 001 | Turbidity, increase over background | MO AVG | <= 5 NTU | all year |
| 001 | Turbidity, increase over background | DAILY MX | <= 5 NTU | all year |
| 001 | Perchlorate [ClO4] | MO AVG | report only | all year |
| 001 | Perchlorate [ClO4] | DAILY MX | report only | 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