Passage Data · Check a report · Use it from your AI
Nonferrous Wiredrawing & Insulating, Ashton, Rhode Island. NPDES permit RI0020141, in force until Jun 30, 2027. Last 12 months: no values over a limit, 3 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Copper, total [as Cu] | monthly average | report only (ug/L) | all year | 001 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year | 001 |
| Zinc, total [as Zn] | monthly average | report only (ug/L) | all year | 001 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/d) | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 26 mg/L | all year | 100 |
| pH | minimum | ≥ 6.5 SU | all year | 100 |
| pH | maximum | ≤ 9 SU | all year | 100 |
| Solids, total suspended | daily maximum | ≤ 19 mg/L | all year | 100 |
| Oil & Grease | minimum | report only (mg/L) | all year | 100 |
| Oil & Grease | maximum | ≤ 10 mg/L | all year | 100 |
| Cadmium, total [as Cd] | monthly average | report only (ug/L) | all year | 100 |
| Cadmium, total [as Cd] | daily maximum | report only (ug/L) | all year | 100 |
| Copper, total [as Cu] | monthly average | ≤ 100 ug/L | all year | 100 |
| Copper, total [as Cu] | daily maximum | ≤ 100 ug/L | all year | 100 |
| Iron, total [as Fe] | monthly average | report only (ug/L) | all year | 100 |
| Iron, total [as Fe] | daily maximum | report only (ug/L) | all year | 100 |
| Lead, total [as Pb] | monthly average | report only (ug/L) | all year | 100 |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | all year | 100 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ 500 gal/d | all year | 100 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 26 mg/L | all year | 200 |
| pH | minimum | ≥ 6.5 SU | all year | 200 |
| pH | maximum | ≤ 9 SU | all year | 200 |
| Solids, total suspended | daily maximum | ≤ 19 mg/L | all year | 200 |
| Oil & Grease | minimum | report only (mg/L) | all year | 200 |
| Oil & Grease | maximum | ≤ 10 mg/L | all year | 200 |
| Cadmium, total [as Cd] | monthly average | report only (ug/L) | all year | 200 |
| Cadmium, total [as Cd] | daily maximum | report only (ug/L) | all year | 200 |
| Copper, total [as Cu] | monthly average | ≤ 100 ug/L | all year | 200 |
| Copper, total [as Cu] | daily maximum | ≤ 100 ug/L | all year | 200 |
| Iron, total [as Fe] | monthly average | report only (ug/L) | all year | 200 |
| Iron, total [as Fe] | daily maximum | report only (ug/L) | all year | 200 |
| Lead, total [as Pb] | monthly average | report only (ug/L) | all year | 200 |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | all year | 200 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ 25 gal/d | all year | 200 |
Cited limits by parameter: Rhode Island's rules and the federal ones.
· Save this facility as a site · Superfund sites nearby · Your permits on one board
On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/RI0020141 · MCP: https://passage-data.com/mcp