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Sewage treatment plant, Winter Park, Colorado. NPDES permit CO0026051 expired Dec 31, 2016; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | maximum weekly average | report only (deg C) | all year | 001 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 001 |
| pH | minimum | ≥ 6.5 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | 30-day average | ≤ 75 mg/L | all year | 001 |
| Solids, total suspended | maximum 7-day average | ≤ 110 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 6.1 mg/L | Jun | 001 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 2.8 mg/L | Aug | 001 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 2.3 mg/L | Sep | 001 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 4.1 mg/L | Jul | 001 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 5.7 mg/L | Mar | 001 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 5 mg/L | Jan | 001 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.8 mg/L | Oct | 001 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 8 mg/L | Feb | 001 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 2.3 mg/L | Nov | 001 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 3.3 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 2.4 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 6.7 mg/L | Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 35 mg/L | Jun | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 52 mg/L | Aug | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 50 mg/L | Sep | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 54 mg/L | Jul | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 27 mg/L | Mar | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 17 mg/L | Jan | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 32 mg/L | Oct | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 23 mg/L | Feb | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 15 mg/L | Nov | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 26 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 29 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 16 mg/L | Dec | 001 |
| Nitrogen, inorganic total | daily maximum | report only (mg/L) | all year | 001 |
| Oil and grease | instantaneous maximum | ≤ 10 mg/L | all year | 001 |
| Flow, in conduit or thru treatment plant | 30-day average | ≤ .45 MGD | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Chlorine, total residual | 30-day average | ≤ .024 mg/L | all year | 001 |
| Chlorine, total residual | instantaneous maximum | ≤ .098 mg/L | all year | 001 |
| E. coli | 30-day average | ≤ 214 #/100mL | all year | 001 |
| E. coli | maximum 7-day average | ≤ 428 #/100mL | all year | 001 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 001 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | 30-day average | ≤ 25 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 40 mg/L | all year | 001 |
| BOD, carb-5 day, 20 deg C, percent removal | minimum | ≥ 85 % | all year | 001 |
| Oil and grease visual | instantaneous maximum | report only (N=0;Y=1) | all year | 001 |
| Plant capacity fact. percent of capacity | 30-day average | report only (%) | all year | 300 |
| Plant capacity fact. percent of capacity | 30-day average | report only (%) | all year | 300 |
| BOD, 5-day, 20 deg. C | 30-day average | report only (mg/L) | all year | 300 |
| BOD, 5-day, 20 deg. C | maximum 7-day average | report only (mg/L) | all year | 300 |
| BOD, 5-day, 20 deg. C | 30-day average | report only (lb/d) | all year | 300 |
| BOD, 5-day, 20 deg. C | maximum 7-day average | report only (lb/d) | all year | 300 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 300 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 300 |
| BOD, carbonaceous [5 day, 20 C] | 30-day average | report only (mg/L) | all year | 300 |
| BOD, carbonaceous [5 day, 20 C] | 30-day average | report only (mg/L) | all year | 300 |
| BOD, carbonaceous [5 day, 20 C] | maximum 7-day average | report only (mg/L) | all year | 300 |
| BOD, carbonaceous [5 day, 20 C] | 30-day average | report only (lb/d) | all year | 300 |
Cited limits by parameter: Colorado'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/CO0026051 · MCP: https://passage-data.com/mcp