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Florissant Water and Sanitation District

Sewage treatment plant, Teller County, Colorado. NPDES permit CO0041416 expired Mar 31, 2019; its limits still apply. Last 12 months: over a limit 12 times (last July 2026), 136 required values missing, 14 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (23 values), outfall 300 form I monthly (10 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
2 values over a limit, 315 required values missing, 7 of 24 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
November 2025E. coli, 30-day geometric mean> 2419.6 #/100mL≤ 1217 #/100mL—
November 2025E. coli, maximum 7-day geometric mean> 2419.6 #/100mL≤ 2434 #/100mL—
January 2026BOD, 5-day, percent removal, monthly average minimum84.08 %≥ 85 %6%
March 2026E. coli, 30-day geometric mean> 2419.6 #/100mL≤ 1217 #/100mL—
March 2026E. coli, 30-day geometric mean> 2419.6 #/100mL≤ 1217 #/100mL—
March 2026E. coli, maximum 7-day geometric mean> 2419.6 #/100mL≤ 2434 #/100mL—
March 2026E. coli, maximum 7-day geometric mean> 2419.6 #/100mL≤ 2434 #/100mL—
March 2026Solids, suspended percent removal, monthly average minimum48.14 %≥ 85 %246%
March 2026Solids, suspended percent removal, monthly average minimum48.14 %≥ 85 %246%
March 2026Solids, total suspended, 30-day average32 mg/L≤ 30 mg/L7%
March 2026Solids, total suspended, 30-day average32 mg/L≤ 30 mg/L7%
July 2026Solids, suspended percent removal, monthly average minimum76.13 %≥ 85 %59%

Limits in force (81)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigrademaximum weekly averagereport only (deg C)all year001
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
BOD, 5-day, 20 deg. C30-day average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cmaximum 7-day average≤ 45 mg/Lall year001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspended30-day average≤ 75 mg/Lall year001
Solids, total suspended30-day average≤ 30 mg/Lall year001
Solids, total suspendedmaximum 7-day average≤ 110 mg/Lall year001
Solids, total suspendedmaximum 7-day average≤ 45 mg/Lall year001
Nitrogen, ammonia total [as N]30-day averagereport only (mg/L)Jun001
Nitrogen, ammonia total [as N]30-day averagereport only (mg/L)Aug001
Nitrogen, ammonia total [as N]30-day averagereport only (mg/L)Sep001
Nitrogen, ammonia total [as N]30-day averagereport only (mg/L)Jan001
Nitrogen, ammonia total [as N]30-day averagereport only (mg/L)Jul001
Nitrogen, ammonia total [as N]30-day averagereport only (mg/L)Mar001
Nitrogen, ammonia total [as N]30-day averagereport only (mg/L)Oct001
Nitrogen, ammonia total [as N]30-day averagereport only (mg/L)Feb001
Nitrogen, ammonia total [as N]30-day averagereport only (mg/L)Nov001
Nitrogen, ammonia total [as N]30-day averagereport only (mg/L)May001
Nitrogen, ammonia total [as N]30-day averagereport only (mg/L)Apr001
Nitrogen, ammonia total [as N]30-day averagereport only (mg/L)Dec001
Nitrogen, ammonia total [as N]30-day average≤ 15 mg/LJan001
Nitrogen, ammonia total [as N]30-day average≤ 15 mg/LFeb001
Nitrogen, ammonia total [as N]30-day average≤ 15 mg/LMar001
Nitrogen, ammonia total [as N]30-day average≤ 15 mg/LApr001
Nitrogen, ammonia total [as N]30-day average≤ 18 mg/LMay001
Nitrogen, ammonia total [as N]30-day average≤ 18 mg/LJun001
Nitrogen, ammonia total [as N]30-day average≤ 13 mg/LJul001
Nitrogen, ammonia total [as N]30-day average≤ 7.6 mg/LAug001
Nitrogen, ammonia total [as N]30-day average≤ 8.8 mg/LSep001
Nitrogen, ammonia total [as N]30-day average≤ 8.9 mg/LOct001
Nitrogen, ammonia total [as N]30-day average≤ 16 mg/LNov001
Nitrogen, ammonia total [as N]30-day average≤ 20 mg/LDec001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jun001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Aug001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Sep001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jan001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jul001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Mar001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Oct001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Feb001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Nov001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)May001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Apr001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 23 mg/LJan001
Nitrogen, ammonia total [as N]daily maximum≤ 22 mg/LFeb001
Nitrogen, ammonia total [as N]daily maximum≤ 23 mg/LMar001
Nitrogen, ammonia total [as N]daily maximum≤ 22 mg/LApr001
Nitrogen, ammonia total [as N]daily maximum≤ 27 mg/LMay001
Nitrogen, ammonia total [as N]daily maximum≤ 32 mg/LJun001
Nitrogen, ammonia total [as N]daily maximum≤ 26 mg/LJul001
Nitrogen, ammonia total [as N]daily maximum≤ 22 mg/LAug001
Nitrogen, ammonia total [as N]daily maximum≤ 21 mg/LSep001
Nitrogen, ammonia total [as N]daily maximum≤ 24 mg/LOct001
Nitrogen, ammonia total [as N]daily maximum≤ 29 mg/LNov001
Nitrogen, ammonia total [as N]daily maximum≤ 31 mg/LDec001
Nitrogen, inorganic totaldaily maximumreport only (mg/L)all year001
Oil and greaseinstantaneous maximum≤ 10 mg/Lall year001
Flow, in conduit or thru treatment plant30-day average≤ .057 MGDall year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residual30-day average≤ .05 mg/Lall year001
Chlorine, total residualinstantaneous maximum≤ .13 mg/Lall year001
E. coli30-day geometric mean≤ 1248 #/100mLall year001
E. coli30-day geometric mean≤ 1217 #/100mLall year001
E. colimaximum 7-day geometric mean≤ 2496 #/100mLall year001
E. colimaximum 7-day geometric mean≤ 2434 #/100mLall year001
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
Oil and grease visualinstantaneous maximumreport only (abst=0;prst=1)all year001
Plant capacity fact. percent of capacity30-day averagereport only (%)all year300
Plant capacity fact. percent of capacity30-day averagereport only (%)all year300
BOD, 5-day, 20 deg. C30-day averagereport only (mg/L)all year300
BOD, 5-day, 20 deg. Cmaximum 7-day averagereport only (mg/L)all year300
BOD, 5-day, 20 deg. C30-day averagereport only (lb/d)all year300
BOD, 5-day, 20 deg. Cmaximum 7-day averagereport only (lb/d)all year300
Solids, total suspended30-day averagereport only (mg/L)all year300
Solids, total suspendedmaximum 7-day averagereport only (mg/L)all year300
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year300
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year300

How strict are these limits?

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/CO0041416 · MCP: https://passage-data.com/mcp