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Petroleum Refining, Mcpherson, Kansas. NPDES permit KS0000337, in force until May 31, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | Jan | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | Apr | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 22 mg/L | Jun | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | Oct | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 22 mg/L | Jul | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 22 mg/L | Aug | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | Feb | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | Mar | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 22 mg/L | Sep | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | Dec | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | May | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | Nov | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 45 mg/L | Jan | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 45 mg/L | Apr | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 33 mg/L | Jun | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 45 mg/L | Oct | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 33 mg/L | Jul | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 33 mg/L | Aug | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 45 mg/L | Feb | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 45 mg/L | Mar | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 33 mg/L | Sep | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 45 mg/L | Dec | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 45 mg/L | May | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 45 mg/L | Nov | 001 |
| Oxygen demand, chem. [high level] [COD] | monthly average | report only (mg/L) | all year | 001 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | report only (mg/L) | all year | 001 |
| pH | daily minimum | ≥ 6 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 80 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 120 mg/L | all year | 001 |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year | 001 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4.1 mg/L | Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5.3 mg/L | Feb | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5.3 mg/L | Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.7 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5.3 mg/L | Mar | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.6 mg/L | Aug | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5.3 mg/L | Jan | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5.3 mg/L | Nov | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.9 mg/L | Sep | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.6 mg/L | Jun | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.6 mg/L | Jul | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.7 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10.2 mg/L | Oct | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10.2 mg/L | Feb | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10.2 mg/L | Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 6.3 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10.2 mg/L | Mar | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3.5 mg/L | Aug | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10.2 mg/L | Jan | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10.2 mg/L | Nov | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 4.2 mg/L | Sep | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3.5 mg/L | Jun | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3.5 mg/L | Jul | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 6.3 mg/L | May | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | all year | 001 |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | 001 |
| Chloride [as Cl] | daily maximum | ≤ 949 mg/L | all year | 001 |
| Chloride [as Cl] | daily maximum | report only (lb/d) | all year | 001 |
| Selenium, total recoverable | monthly average | report only (ug/L) | all year | 001 |
| Selenium, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Chloride | daily average | report only (mg/L) | all year | 001 |
| Chloride | EPA's "DPD AVG" | ≤ 362 lb/d | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Phosphorus, Total As P | daily average | report only (mg/L) | all year | 001 |
| Phosphorus, Total As P | EPA's "DPD AVG" | ≤ .54 lb/d | all year | 001 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | SWD |
| Carbon, tot organic [TOC] | daily maximum | ≤ 110 mg/L | all year | SWD |
Cited limits by parameter: Kansas's rules and the federal ones.
Same industry: the 11 Petroleum Refining and Related Industries permits in Kansas.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/KS0000337 · MCP: https://passage-data.com/mcp