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Sewerage Systems, Fraser, Colorado. NPDES permit CO0049022 expired Dec 31, 2024; its limits still apply. Last 12 months: over a limit 5 times (last May 2026), 4 of 25 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| November 2025 | Nitrogen, ammonia total [as N], rolling average | 24.13 mg/L | ≤ 19 mg/L | 27% |
| January 2026 | Nitrogen, ammonia total [as N], rolling average | 20.74 mg/L | ≤ 15 mg/L | 38% |
| March 2026 | Nitrogen, ammonia total [as N], rolling average | 21.68 mg/L | ≤ 20 mg/L | 8% |
| April 2026 | Nitrogen, ammonia total [as N], rolling average | 21.94 mg/L | ≤ 17 mg/L | 29% |
| May 2026 | Nitrogen, ammonia total [as N], rolling average | 21.95 mg/L | ≤ 19 mg/L | 16% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 30 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum 7-day average | ≤ 45 mg/L | all year | 001 |
| pH | minimum | ≥ 6.5 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | 30-day average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | maximum 7-day average | ≤ 45 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 41 mg/L | Jan | 001 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 40 mg/L | Feb | 001 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 40 mg/L | Mar | 001 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 41 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 38 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 65 mg/L | Jun | 001 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 65 mg/L | Jul | 001 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 59 mg/L | Aug | 001 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 43 mg/L | Sep | 001 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 48 mg/L | Oct | 001 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 40 mg/L | Nov | 001 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 40 mg/L | Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 44 mg/L | Jan | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 65 mg/L | Feb | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 65 mg/L | Mar | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 65 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 65 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 65 mg/L | Jun | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 65 mg/L | Jul | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 65 mg/L | Aug | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 65 mg/L | Sep | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 65 mg/L | Oct | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 65 mg/L | Nov | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 46 mg/L | Dec | 001 |
| Nitrogen, ammonia total [as N] | rolling average | report only (mg/L) | Jan | 001 |
| Nitrogen, ammonia total [as N] | rolling average | report only (mg/L) | Feb | 001 |
| Nitrogen, ammonia total [as N] | rolling average | report only (mg/L) | Mar | 001 |
| Nitrogen, ammonia total [as N] | rolling average | report only (mg/L) | Apr | 001 |
| Nitrogen, ammonia total [as N] | rolling average | report only (mg/L) | May | 001 |
| Nitrogen, ammonia total [as N] | rolling average | report only (mg/L) | Jun | 001 |
| Nitrogen, ammonia total [as N] | rolling average | report only (mg/L) | Jul | 001 |
| Nitrogen, ammonia total [as N] | rolling average | report only (mg/L) | Aug | 001 |
| Nitrogen, ammonia total [as N] | rolling average | report only (mg/L) | Sep | 001 |
| Nitrogen, ammonia total [as N] | rolling average | report only (mg/L) | Oct | 001 |
| Nitrogen, ammonia total [as N] | rolling average | report only (mg/L) | Nov | 001 |
| Nitrogen, ammonia total [as N] | rolling average | report only (mg/L) | Dec | 001 |
| Nitrogen, ammonia total [as N] | rolling average | ≤ 15 mg/L | Jan | 001 |
| Nitrogen, ammonia total [as N] | rolling average | ≤ 24 mg/L | Feb | 001 |
| Nitrogen, ammonia total [as N] | rolling average | ≤ 20 mg/L | Mar | 001 |
| Nitrogen, ammonia total [as N] | rolling average | ≤ 17 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | rolling average | ≤ 19 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | rolling average | ≤ 54 mg/L | Jun | 001 |
| Nitrogen, ammonia total [as N] | rolling average | ≤ 44 mg/L | Jul | 001 |
| Nitrogen, ammonia total [as N] | rolling average | ≤ 23 mg/L | Aug | 001 |
| Nitrogen, ammonia total [as N] | rolling average | ≤ 21 mg/L | Sep | 001 |
| Nitrogen, ammonia total [as N] | rolling average | ≤ 27 mg/L | Oct | 001 |
| Nitrogen, ammonia total [as N] | rolling average | ≤ 19 mg/L | Nov | 001 |
| Nitrogen, ammonia total [as N] | rolling average | ≤ 16 mg/L | Dec | 001 |
| Nitrogen, ammonia total [as N] | rolling average | report only (mg/L) | Jan | 001 |
| Nitrogen, inorganic total | 30-day average | ≤ 100 mL/L | all year | 001 |
| Nitrogen, inorganic total | rolling average | report only (mg/L) | all year | 001 |
| Nitrogen, inorganic total | rolling average | ≤ 65 mg/L | all year | 001 |
| Oil and grease | daily maximum | ≤ 10 mg/L | all year | 001 |
| Flow, in conduit or thru treatment plant | 30-day average | ≤ .009 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 | ≤ .18 mg/L | all year | 001 |
| Chlorine, total residual | instantaneous maximum | ≤ .19 mg/L | all year | 001 |
| Chlorine, total residual | rolling average | report only (mg/L) | all year | 001 |
| Chlorine, total residual | rolling average | ≤ .12 mg/L | all year | 001 |
| E. coli | 30-day geometric mean | ≤ 2000 #/100mL | all year | 001 |
| E. coli | maximum 7-day geometric mean | ≤ 4000 #/100mL | all year | 001 |
| E. coli | rolling average | report only (#/100mL) | all year | 001 |
| E. coli | rolling average | ≤ 1377 #/100mL | all year | 001 |
| Solids, total dissolved | 30-day average | report only (mg/L) | all year | 001 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 001 |
| Solids, total dissolved | 30-day average | report only (mg/L) | all year | 001 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 001 |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Oil and grease visual | instantaneous maximum | report only (abst=0;prst=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 | daily maximum | report only (lb/d) | all year | 300 |
| Solids, total suspended | 30-day average | report only (mg/L) | all year | 300 |
| Solids, total suspended | maximum 7-day average | report only (mg/L) | 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 |
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/CO0049022 · MCP: https://passage-data.com/mcp