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Saratoga, Town of

Sewage treatment plant, (Unknown City), Wyoming. NPDES permit WY0021491, in force until Jan 31, 2029. Last 12 months: over a limit 4 times (last May 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form MQ quarterly (48 values), outfall 002 form MQ quarterly (14 values), outfall DMP1 form QQ quarterly (4 values), outfall HS1 form QQ quarterly (4 values), outfall TSS form MQ quarterly (2 values), outfall UMP1 form QQ quarterly (4 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
9 values over a limit, 0 required values missing, 0 of 48 reports late

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

Period endingParameterReportedLimitOver by
October 2025BOD, 5-day, percent removal, monthly average minimum35.92 %≥ 65 %83%
November 2025BOD, 5-day, percent removal, monthly average minimum64.37 %≥ 65 %2%
April 2026BOD, 5-day, percent removal, monthly average minimum64 %≥ 65 %3%
May 2026BOD, 5-day, percent removal, monthly average minimum56 %≥ 65 %26%

Limits in force (80)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
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. Cweekly average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year001
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year001
BOD, 5-day, 20 deg. Cmonthly average≤ 333 lb/dall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 333 lb/dall year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. Cweekly averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. Cweekly averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year001
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year001
pHinstantaneous minimum≥ 6.5 SUall year001
pHinstantaneous minimum≥ 6.5 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 83 mg/Lall year001
Solids, total suspendedmonthly average≤ 83 mg/Lall year001
Solids, total suspendedweekly average≤ 124 mg/Lall year001
Solids, total suspendedweekly average≤ 124 mg/Lall year001
Solids, total suspendeddaily maximum≤ 249 mg/Lall year001
Solids, total suspendeddaily maximum≤ 249 mg/Lall year001
Solids, total suspendedmonthly averagereport only (lb/d)all year001
Solids, total suspendedmonthly averagereport only (lb/d)all year001
Nitrogen, ammonia total [as N]monthly average≤ 20 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 20 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximum≤ 20 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximum≤ 20 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 133.4 lb/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 133.4 lb/dall year001
Durationmonthly totalreport only (d)all year001
Durationmonthly totalreport only (d)all year001
Chlorine, total residualdaily maximum≤ .03 mg/Lall year001
Chlorine, total residualdaily maximum≤ .03 mg/Lall year001
Chlorine, total residualdaily maximum≤ 13.3 lb/dall year001
Chlorine, total residualdaily maximum≤ 13.3 lb/dall year001
E. colimonthly geometric mean≤ 126 MPN/100mLApr–Sep001
E. colimonthly geometric mean≤ 126 MPN/100mLApr–Sep001
E. colimonthly geometric mean≤ 630 MPN/100mLJan, Feb, Mar, Oct, Nov, Dec001
E. colimonthly geometric mean≤ 630 MPN/100mLJan, Feb, Mar, Oct, Nov, Dec001
E. colidaily maximum≤ 576 MPN/100mLApr–Sep001
E. colidaily maximum≤ 576 MPN/100mLApr–Sep001
E. colidaily maximum≤ 630 MPN/100mLJan, Feb, Mar, Oct, Nov, Dec001
E. colidaily maximum≤ 630 MPN/100mLJan, Feb, Mar, Oct, Nov, Dec001
Flowmonthly average≤ .8 MGDall year001
Flowmonthly average≤ .8 MGDall year001
Flowdaily maximumreport only (MGD)all year001
Flowdaily maximumreport only (MGD)all year001
BOD, 5-day, percent removalmonthly average minimum≥ 65 %all year001
BOD, 5-day, percent removalmonthly average minimum≥ 65 %all year001
pHinstantaneous minimum≥ 6.5 SUall year002
pHinstantaneous minimum≥ 6.5 SUall year002
pHinstantaneous maximum≤ 9 SUall year002
pHinstantaneous maximum≤ 9 SUall year002
Solids, total suspendedmonthly average≤ 30 mg/Lall year002
Solids, total suspendedmonthly average≤ 30 mg/Lall year002
Solids, total suspendedweekly average≤ 45 mg/Lall year002
Solids, total suspendedweekly average≤ 45 mg/Lall year002
Solids, total suspendeddaily maximumreport only (mg/L)all year002
Solids, total suspendeddaily maximumreport only (mg/L)all year002
Flowmonthly averagereport only (MGD)all year002
Flowmonthly averagereport only (MGD)all year002
Flowdaily maximumreport only (MGD)all year002
Flowdaily maximumreport only (MGD)all year002
Temperature, water deg. centigradedaily maximumreport only (deg C)all yearDMP1
pHdaily maximumreport only (SU)all yearDMP1
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all yearDMP1
Flowdaily maximumreport only (cfs)all yearDMP1
Temperature, water deg. centigradedaily maximumreport only (deg C)all yearHS1
pHdaily maximumreport only (SU)all yearHS1
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all yearHS1
Flowdaily maximumreport only (cfs)all yearHS1
Solids, total suspendedmonthly average≤ 554 lb/dall yearTSS
Solids, total suspendedmonthly average≤ 554 lb/dall yearTSS
Temperature, water deg. centigradedaily maximumreport only (deg C)all yearUMP1
pHdaily maximumreport only (SU)all yearUMP1
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all yearUMP1
Flowdaily maximumreport only (cfs)all yearUMP1

How strict are these limits?

Cited limits by parameter: Wyoming'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/WY0021491 · MCP: https://passage-data.com/mcp