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Deary, City of

Sewage treatment plant, Deary, Idaho. NPDES permit ID0020788, in force until Jul 31, 2027. Last 12 months: over a limit 5 times (last March 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form M monthly (29 values), outfall 001 form Q monthly (2 values), outfall REC1 form Q monthly (4 values)
Renewal application due
Feb 1, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
5 values over a limit, 0 required values missing, 0 of 20 reports late

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

Period endingParameterReportedLimitOver by
November 2025Solids, total suspended, monthly average29.9 lb/d≤ 25 lb/d20%
November 2025Solids, total suspended, weekly average52.4 lb/d≤ 37.5 lb/d40%
March 2026BOD, 5-day, 20 deg. C, monthly average26.2 lb/d≤ 25 lb/d5%
March 2026Chlorine, total residual, daily maximum.07 lb/d≤ .05 lb/d40%
March 2026Solids, total suspended, monthly average36.8 lb/d≤ 25 lb/d47%

Limits in force (35)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)Mar, Jun, Sep, Dec001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 25 lb/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ 37.5 lb/dall year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year001
pHinstantaneous minimum≥ 6.5 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 25 lb/dall year001
Solids, total suspendedweekly average≤ 37.5 lb/dall year001
Solids, total suspendeddaily maximum≤ 138.1 lb/dall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspendeddaily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]instantaneous maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualmonthly average≤ .05 mg/Lall year001
Chlorine, total residualdaily maximum≤ .05 mg/Lall year001
Chlorine, total residualmonthly average≤ .05 lb/dall year001
Chlorine, total residualdaily maximum≤ .05 lb/dall year001
E. colimonthly geometric mean≤ 126 #/100mLall year001
E. colidaily maximum≤ 406 #/100mLall year001
Enterococcimonthly geometric mean≤ 35 #/100mLall year001
Enterococcidaily maximum≤ 130 #/100mLall year001
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)Mar, Jun, Sep, DecREC1
pHinstantaneous minimumreport only (SU)Mar, Jun, Sep, DecREC1
pHinstantaneous maximumreport only (SU)Mar, Jun, Sep, DecREC1
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Mar, Jun, Sep, DecREC1

How strict are these limits?

Cited limits by parameter: Idaho's rules and the federal ones.

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/ID0020788 · MCP: https://passage-data.com/mcp