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Plastics Pipe, Tulsa, Oklahoma. NPDES permit OK0001244, in force until Mar 30, 2030. Last 12 months: over a limit once (last January 2026), 1 of 16 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| January 2026 | Solids, total suspended, daily maximum | 40 mg/L | ≤ 19 mg/L | 111% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 26 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) | all year |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 1.42 lb/d | all year |
| pH | minimum | ≥ 6.5 SU | all year |
| pH | maximum | ≤ 8.5 SU | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Solids, total suspended | daily maximum | ≤ 19 mg/L | all year |
| Solids, total suspended | monthly average | report only (lb/d) | all year |
| Solids, total suspended | daily maximum | ≤ 1.04 lb/d | all year |
| Oil and grease, hexane extr method | monthly average | report only (mg/L) | all year |
| Oil and grease, hexane extr method | daily maximum | ≤ 15 mg/L | all year |
| Oil and grease, hexane extr method | monthly average | report only (lb/d) | all year |
| Oil and grease, hexane extr method | daily maximum | ≤ .819 lb/d | all year |
| Oxidants, total residual | instantaneous maximum | ≤ .099 mg/L | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/d) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/d) | all year |
Cited limits by parameter: Oklahoma's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/OK0001244 · MCP: https://passage-data.com/mcp