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Prineville, City of

Sewage treatment plant, major discharger, Prineville, Oregon. NPDES permit OR0023612 expired Dec 31, 2016; its limits still apply. Last 12 months: no values over a limit, 3 of 96 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 16 days after each period: outfall 001 form A monthly (6 values), outfall 001 form C quarterly (1 value), outfall 004 form Q5 quarterly (2 values), outfall 004 form Q6 quarterly (2 values), outfall 004 form Q7 quarterly (2 values), outfall 004 form Q8 quarterly (2 values), and 6 more forms
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 29 required values missing, 3 of 96 reports late

Limits in force (228)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigrademonthly averagereport only (deg C)Jan, Feb, Mar, Apr, Nov, Dec001
Flow ratemonthly averagereport only (cfs)Jan, Feb, Mar, Apr, Nov, Dec001
Turbiditymonthly averagereport only (NTU)Jan, Feb, Mar, Apr, Nov, Dec001
Turbiditymonthly averagereport only (NTU)Jan, Feb, Mar, Apr, Nov, Dec001
pHdaily minimum≥ 6 SUJan, Feb, Mar, Apr, Nov, Dec001
pHdaily maximum≤ 9 SUJan, Feb, Mar, Apr, Nov, Dec001
pHdaily minimumreport only (SU)all year001
pHdaily maximumreport only (SU)all year001
pHdaily minimumreport only (SU)Jan, Feb, Mar, Apr, Nov, Dec001
pHdaily maximumreport only (SU)Jan, Feb, Mar, Apr, Nov, Dec001
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year001
Solids, total suspendedmonthly average≤ 40 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Solids, total suspendedmonthly average≤ 367 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Solids, total suspendeddaily maximum≤ 734 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspendedweekly average≤ 60 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Solids, total suspendedweekly average≤ 550 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)Jan, Feb, Mar, Apr, Nov, Dec001
Flow, in conduit or thru treatment planttotalreport only (MGD)Jan, Feb, Mar, Apr, Nov, Dec001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment planttotalreport only (MGD)all year001
Chlorine, total residualmonthly average≤ .1 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Chlorine, total residualdaily maximum≤ .15 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Coliform, total general7-day median≤ 23 #/100mLJan, Feb, Mar, Apr, Nov, Dec001
Coliform, total generaldaily maximum≤ 240 #/100mLJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 230 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 460 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 40 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 345 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, carb-5 day, 20 deg C, percent removalmonthly average minimum≥ 65 %Jan, Feb, Mar, Apr, Nov, Dec001
Solids, suspended percent removalmonthly average minimum≥ 65 %Jan, Feb, Mar, Apr, Nov, Dec001
Chlorine usagemonthly averagereport only (lb/d)Jan, Feb, Mar, Apr, Nov, Dec001
Temperature, water deg. centigrademonthly averagereport only (deg C)all year004
Temperature, water deg. centigrademonthly averagereport only (deg C)all year004
Temperature, water deg. centigrademonthly averagereport only (deg C)all year004
Temperature, water deg. centigrademonthly averagereport only (deg C)all year004
Temperature, water deg. centigrademonthly averagereport only (deg C)all year004
Conductivityvaluereport only (umho/cm)all year004
Conductivitymonthly averagereport only (umho/cm)all year004
Conductivitymonthly averagereport only (umho/cm)all year004
Conductivitymonthly averagereport only (umho/cm)all year004
Conductivitymonthly averagereport only (umho/cm)all year004
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/LMay–Oct004
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec004
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/LMay–Oct004
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec004
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/LMay–Oct004
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec004
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/LMay–Oct004
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec004
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/LMay–Oct004
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec004
BOD, 5-day, 20 deg. Cmonthly average≤ 100 lb/dMay–Oct004
BOD, 5-day, 20 deg. Cmonthly average≤ 280 lb/dJan, Feb, Mar, Apr, Nov, Dec004
BOD, 5-day, 20 deg. Cmonthly average≤ 100 lb/dMay–Oct004
BOD, 5-day, 20 deg. Cmonthly average≤ 280 lb/dJan, Feb, Mar, Apr, Nov, Dec004
BOD, 5-day, 20 deg. Cmonthly average≤ 100 lb/dMay–Oct004
BOD, 5-day, 20 deg. Cmonthly average≤ 280 lb/dJan, Feb, Mar, Apr, Nov, Dec004
BOD, 5-day, 20 deg. Cmonthly average≤ 100 lb/dMay–Oct004
BOD, 5-day, 20 deg. Cmonthly average≤ 280 lb/dJan, Feb, Mar, Apr, Nov, Dec004
BOD, 5-day, 20 deg. Cmonthly average≤ 100 lb/dMay–Oct004
BOD, 5-day, 20 deg. Cmonthly average≤ 280 lb/dJan, Feb, Mar, Apr, Nov, Dec004
BOD, 5-day, 20 deg. Cdaily maximum≤ 200 lb/dMay–Oct004
BOD, 5-day, 20 deg. Cdaily maximum≤ 550 lb/dJan, Feb, Mar, Apr, Nov, Dec004
BOD, 5-day, 20 deg. Cdaily maximum≤ 200 lb/dMay–Oct004
BOD, 5-day, 20 deg. Cdaily maximum≤ 550 lb/dJan, Feb, Mar, Apr, Nov, Dec004
BOD, 5-day, 20 deg. Cdaily maximum≤ 200 lb/dMay–Oct004
BOD, 5-day, 20 deg. Cdaily maximum≤ 550 lb/dJan, Feb, Mar, Apr, Nov, Dec004
BOD, 5-day, 20 deg. Cdaily maximum≤ 200 lb/dMay–Oct004
BOD, 5-day, 20 deg. Cdaily maximum≤ 550 lb/dJan, Feb, Mar, Apr, Nov, Dec004
BOD, 5-day, 20 deg. Cdaily maximum≤ 200 lb/dMay–Oct004
BOD, 5-day, 20 deg. Cdaily maximum≤ 550 lb/dJan, Feb, Mar, Apr, Nov, Dec004
BOD, 5-day, 20 deg. Cweekly maximum≤ 15 mg/LMay–Oct004
BOD, 5-day, 20 deg. Cweekly maximum≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec004
BOD, 5-day, 20 deg. Cweekly average≤ 15 mg/LMay–Oct004
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec004
BOD, 5-day, 20 deg. Cweekly average≤ 15 mg/LMay–Oct004
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec004
BOD, 5-day, 20 deg. Cweekly average≤ 15 mg/LMay–Oct004
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec004
BOD, 5-day, 20 deg. Cweekly average≤ 15 mg/LMay–Oct004
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec004
BOD, 5-day, 20 deg. Cweekly maximum≤ 150 lb/dMay–Oct004
BOD, 5-day, 20 deg. Cweekly maximum≤ 410 lb/dJan, Feb, Mar, Apr, Nov, Dec004
BOD, 5-day, 20 deg. Cweekly average≤ 150 lb/dMay–Oct004
BOD, 5-day, 20 deg. Cweekly average≤ 410 lb/dJan, Feb, Mar, Apr, Nov, Dec004
BOD, 5-day, 20 deg. Cweekly average≤ 150 lb/dMay–Oct004
BOD, 5-day, 20 deg. Cweekly average≤ 410 lb/dJan, Feb, Mar, Apr, Nov, Dec004
BOD, 5-day, 20 deg. Cweekly average≤ 150 lb/dMay–Oct004
BOD, 5-day, 20 deg. Cweekly average≤ 410 lb/dJan, Feb, Mar, Apr, Nov, Dec004
BOD, 5-day, 20 deg. Cweekly average≤ 150 lb/dMay–Oct004
BOD, 5-day, 20 deg. Cweekly average≤ 410 lb/dJan, Feb, Mar, Apr, Nov, Dec004
pHdaily minimum≥ 6.5 SUall year004
pHdaily minimum≥ 6.5 SUall year004
pHdaily minimum≥ 6.5 SUall year004
pHdaily minimum≥ 6.5 SUall year004
pHdaily minimum≥ 6.5 SUall year004
pHdaily maximum≤ 8.5 SUall year004
pHdaily maximum≤ 8.5 SUall year004
pHdaily maximum≤ 8.5 SUall year004
pHdaily maximum≤ 8.5 SUall year004
pHdaily maximum≤ 8.5 SUall year004
Solids, total suspendedmonthly average≤ 10 mg/LMay–Oct004
Solids, total suspendedmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec004
Solids, total suspendedmonthly average≤ 10 mg/LMay–Oct004
Solids, total suspendedmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec004
Solids, total suspendedmonthly average≤ 10 mg/LMay–Oct004
Solids, total suspendedmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec004
Solids, total suspendedmonthly average≤ 10 mg/LMay–Oct004
Solids, total suspendedmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec004
Solids, total suspendedmonthly average≤ 10 mg/LMay–Oct004
Solids, total suspendedmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec004
Solids, total suspendedmonthly average≤ 100 lb/dMay–Oct004
Solids, total suspendedmonthly average≤ 300 lb/dJan, Feb, Mar, Apr, Nov, Dec004
Solids, total suspendedmonthly average≤ 100 lb/dMay–Oct004
Solids, total suspendedmonthly average≤ 300 lb/dJan, Feb, Mar, Apr, Nov, Dec004
Solids, total suspendedmonthly average≤ 100 lb/dMay–Oct004
Solids, total suspendedmonthly average≤ 300 lb/dJan, Feb, Mar, Apr, Nov, Dec004
Solids, total suspendedmonthly average≤ 100 lb/dMay–Oct004
Solids, total suspendedmonthly average≤ 300 lb/dJan, Feb, Mar, Apr, Nov, Dec004
Solids, total suspendedmonthly average≤ 100 lb/dMay–Oct004
Solids, total suspendedmonthly average≤ 300 lb/dJan, Feb, Mar, Apr, Nov, Dec004
Solids, total suspendeddaily maximum≤ 200 lb/dMay–Oct004
Solids, total suspendeddaily maximum≤ 600 lb/dJan, Feb, Mar, Apr, Nov, Dec004
Solids, total suspendeddaily maximum≤ 200 lb/dMay–Oct004
Solids, total suspendeddaily maximum≤ 600 lb/dJan, Feb, Mar, Apr, Nov, Dec004
Solids, total suspendeddaily maximum≤ 200 lb/dMay–Oct004
Solids, total suspendeddaily maximum≤ 600 lb/dJan, Feb, Mar, Apr, Nov, Dec004
Solids, total suspendeddaily maximum≤ 200 lb/dMay–Oct004
Solids, total suspendeddaily maximum≤ 600 lb/dJan, Feb, Mar, Apr, Nov, Dec004
Solids, total suspendeddaily maximum≤ 200 lb/dMay–Oct004
Solids, total suspendeddaily maximum≤ 600 lb/dJan, Feb, Mar, Apr, Nov, Dec004
Solids, total suspendedweekly maximum≤ 15 mg/LMay–Oct004
Solids, total suspendedweekly maximum≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec004
Solids, total suspendedweekly average≤ 15 mg/LMay–Oct004
Solids, total suspendedweekly average≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec004
Solids, total suspendedweekly average≤ 15 mg/LMay–Oct004
Solids, total suspendedweekly average≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec004
Solids, total suspendedweekly average≤ 15 mg/LMay–Oct004
Solids, total suspendedweekly average≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec004
Solids, total suspendedweekly average≤ 15 mg/LMay–Oct004
Solids, total suspendedweekly average≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec004
Solids, total suspendedweekly maximum≤ 150 lb/dMay–Oct004
Solids, total suspendedweekly maximum≤ 450 lb/dJan, Feb, Mar, Apr, Nov, Dec004
Solids, total suspendedweekly average≤ 150 lb/dMay–Oct004
Solids, total suspendedweekly average≤ 450 lb/dJan, Feb, Mar, Apr, Nov, Dec004
Solids, total suspendedweekly average≤ 150 lb/dMay–Oct004
Solids, total suspendedweekly average≤ 450 lb/dJan, Feb, Mar, Apr, Nov, Dec004
Solids, total suspendedweekly average≤ 150 lb/dMay–Oct004
Solids, total suspendedweekly average≤ 450 lb/dJan, Feb, Mar, Apr, Nov, Dec004
Solids, total suspendedweekly average≤ 150 lb/dMay–Oct004
Solids, total suspendedweekly average≤ 450 lb/dJan, Feb, Mar, Apr, Nov, Dec004
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year004
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year004
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year004
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year004
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year004
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year004
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year004
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year004
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year004
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year004
Chloridevaluereport only (mg/L)all year004
Chloridevaluereport only (mg/L)all year004
Chloridevaluereport only (mg/L)all year004
Chloridevaluereport only (mg/L)all year004
Chloridevaluereport only (mg/L)all year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Chlorine, total residualmonthly average≤ .1 mg/Lall year004
Chlorine, total residualdaily maximum≤ .16 mg/Lall year004
E. coligeometric mean≤ 126 #/100mLall year004
E. coligeometric mean≤ 126 #/100mLall year004
E. coligeometric mean≤ 126 #/100mLall year004
E. coligeometric mean≤ 126 #/100mLall year004
E. coligeometric mean≤ 126 #/100mLall year004
E. colidaily maximum≤ 406 #/100mLall year004
E. colidaily maximum≤ 406 #/100mLall year004
E. colidaily maximum≤ 406 #/100mLall year004
E. colidaily maximum≤ 406 #/100mLall year004
E. colidaily maximum≤ 406 #/100mLall year004
E. coligeometric mean≤ 126 #/100mLall year004
E. coligeometric mean≤ 126 #/100mLall year004
E. coligeometric mean≤ 126 #/100mLall year004
E. coligeometric mean≤ 126 #/100mLall year004
E. coligeometric mean≤ 126 #/100mLall year004
E. colidaily maximum≤ 406 #/100mLall year004
E. colidaily maximum≤ 406 #/100mLall year004
E. colidaily maximum≤ 406 #/100mLall year004
E. colidaily maximum≤ 406 #/100mLall year004
E. colidaily maximum≤ 406 #/100mLall year004
Water Elevationvaluereport only (ft)all year004
Water Elevationvaluereport only (ft)all year004
Water Elevationvaluereport only (ft)all year004
Water Elevationvaluereport only (ft)all year004
Water Elevationvaluereport only (ft)all year004
Solids, total dissolvedvaluereport only (mg/L)all year004
Solids, total dissolvedmonthly averagereport only (mg/L)all year004
Solids, total dissolvedmonthly averagereport only (mg/L)all year004
Solids, total dissolvedmonthly averagereport only (mg/L)all year004
Solids, total dissolvedmonthly averagereport only (mg/L)all year004
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year004
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year004
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year004
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year004
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year004
Solids, suspended percent removalmonthly average minimum≥ 85 %all year004
Solids, suspended percent removalmonthly average minimum≥ 85 %all year004
Solids, suspended percent removalmonthly average minimum≥ 85 %all year004
Solids, suspended percent removalmonthly average minimum≥ 85 %all year004
Solids, suspended percent removalmonthly average minimum≥ 85 %all year004
Sulfatevaluereport only (mg/L)all year004
Sulfatevaluereport only (mg/L)all year004
Sulfatevaluereport only (mg/L)all year004
Sulfatevaluereport only (mg/L)all year004
Sulfatevaluereport only (mg/L)all year004

How strict are these limits?

Cited limits by parameter: Oregon'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/OR0023612 · MCP: https://passage-data.com/mcp