Passage Data · Check a report · Use it from your AI

Eden Valley Institute

Sewerage Systems, Loveland, Colorado. NPDES permit CO0048985 expired Dec 31, 2020; its limits still apply. Last 12 months: no values over a limit, 60 required values missing, 6 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (20 values), outfall 300 form I monthly (10 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
2 values over a limit, 30 required values missing, 8 of 24 reports late

Limits in force (52)

ParameterStatisticLimitMonthsOutfall
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≤ 30 mg/Lall year001
Solids, total suspendedmaximum 7-day average≤ 45 mg/Lall year001
Nitrogen, ammonia total [as N]30-day average≤ 7.7 mg/LJan001
Nitrogen, ammonia total [as N]30-day average≤ 8.1 mg/LFeb001
Nitrogen, ammonia total [as N]30-day average≤ 7.3 mg/LMar001
Nitrogen, ammonia total [as N]30-day average≤ 5 mg/LApr001
Nitrogen, ammonia total [as N]30-day average≤ 5 mg/LMay001
Nitrogen, ammonia total [as N]30-day average≤ 5.3 mg/LJun001
Nitrogen, ammonia total [as N]30-day average≤ 4.2 mg/LJul001
Nitrogen, ammonia total [as N]30-day average≤ 4.4 mg/LAug001
Nitrogen, ammonia total [as N]30-day average≤ 4.4 mg/LSep001
Nitrogen, ammonia total [as N]30-day average≤ 5.5 mg/LOct001
Nitrogen, ammonia total [as N]30-day average≤ 5.9 mg/LNov001
Nitrogen, ammonia total [as N]30-day average≤ 6.6 mg/LDec001
Nitrogen, ammonia total [as N]daily maximum≤ 18 mg/LJan001
Nitrogen, ammonia total [as N]daily maximum≤ 19 mg/LFeb001
Nitrogen, ammonia total [as N]daily maximum≤ 17 mg/LMar001
Nitrogen, ammonia total [as N]daily maximum≤ 17 mg/LApr001
Nitrogen, ammonia total [as N]daily maximum≤ 17 mg/LMay001
Nitrogen, ammonia total [as N]daily maximum≤ 19 mg/LJun001
Nitrogen, ammonia total [as N]daily maximum≤ 18 mg/LJul001
Nitrogen, ammonia total [as N]daily maximum≤ 20 mg/LAug001
Nitrogen, ammonia total [as N]daily maximum≤ 17 mg/LSep001
Nitrogen, ammonia total [as N]daily maximum≤ 17 mg/LOct001
Nitrogen, ammonia total [as N]daily maximum≤ 17 mg/LNov001
Nitrogen, ammonia total [as N]daily maximum≤ 17 mg/LDec001
Copper, potentially dissolved30-day averagereport only (ug/L)all year001
Copper, potentially dissolveddaily maximumreport only (ug/L)all year001
Oil and greaseinstantaneous maximum≤ 10 mg/Lall year001
Flow, in conduit or thru treatment plant30-day average≤ .015 MGDall year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residual30-day average≤ .011 mg/Lall year001
Chlorine, total residualinstantaneous maximum≤ .019 mg/Lall year001
E. coli30-day geometric mean≤ 126 #/100mLall year001
E. colimaximum 7-day geometric mean≤ 252 #/100mLall year001
BOD, 5-day, percent removalminimum≥ 85 %all year001
Solids, suspended percent removalminimum≥ 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.

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/CO0048985 · MCP: https://passage-data.com/mcp