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Sewage treatment plant, major discharger, Morgan County, Colorado. NPDES permit CO0044849 expired Mar 31, 2014; its limits still apply. 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 | 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 | ≤ 23 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 16 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 27 mg/L | all year | 001 |
| Nitrogen, nitrite total [as N] | 30-day average | report only (mg/L) | all year | 001 |
| Nitrogen, nitrite total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, nitrate total [as N] | 30-day average | report only (mg/L) | all year | 001 |
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, inorganic total | 30-day average | report only (mg/L) | all year | 001 |
| Nitrogen, inorganic total | 30-day average | report only (mg/L) | all year | 001 |
| Nitrogen, inorganic total | daily maximum | ≤ 65 mg/L | all year | 001 |
| Nitrogen, inorganic total | daily maximum | ≤ 20 mg/L | all year | 001 |
| Selenium, potentially dissolvd | 30-day average | ≤ 12 ug/L | all year | 001 |
| Selenium, potentially dissolvd | 30-day average | ≤ 4.6 ug/L | all year | 001 |
| Selenium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 001 |
| Selenium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 001 |
| Oil and grease | instantaneous maximum | ≤ 10 mg/L | all year | 001 |
| E. coli, thermotol, MF, MTEC | 30-day geometric mean | ≤ 680 #/100mL | all year | 001 |
| E. coli, thermotol, MF, MTEC | maximum 7-day geometric mean | ≤ 1340 #/100mL | all year | 001 |
| Flow, in conduit or thru treatment plant | 30-day average | ≤ 2.25 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 | ≤ .21 mg/L | all year | 001 |
| Chlorine, total residual | instantaneous maximum | ≤ .22 mg/L | all year | 001 |
| Mercury, total [as Hg] | 30-day average | ≤ .14 ug/L | all year | 001 |
| Mercury, total [as Hg] | daily maximum | report only (ug/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 (N=0;Y=1) | all year | 001 |
| LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | minimum value | ≥ 100 % | Mar, Jun, Sep, Dec | 001 |
| LC50 Static Renewal 96Hr Acute Pimephales promelas | minimum value | ≥ 100 % | Mar, Jun, Sep, Dec | 001 |
| 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 |
| 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 |
| Iron, total recoverable | 30-day average | report only (ug/L) | all year | MON |
| Iron, total recoverable | daily maximum | report only (ug/L) | all year | MON |
| Iron, dissolved [as Fe] | 30-day average | report only (ug/L) | all year | MON |
| Iron, dissolved [as Fe] | daily maximum | report only (ug/L) | all year | MON |
| Manganese, dissolved [as Mn] | 30-day average | report only (ug/L) | all year | MON |
| Manganese, dissolved [as Mn] | daily maximum | report only (ug/L) | all year | MON |
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/CO0044849 · MCP: https://passage-data.com/mcp