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Franklin, City of

Sewage treatment plant, Franklin, Idaho. NPDES permit ID0025569 expired May 31, 2023; its limits still apply. Last 12 months: no values over a limit, 2 of 13 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (25 values), form Y yearly
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 13 reports late

Limits in force (38)

ParameterStatisticLimitMonths
Temperature, water deg. centigradeweekly averagereport only (deg C)all year
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 16 lb/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 23 lb/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
pHinstantaneous minimum≥ 6.5 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 16 lb/dall year
Solids, total suspendedweekly average≤ 23 lb/dall year
Solids, total suspendedannual average≤ 13.61 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 23.52 mg/LJan, Feb, Oct, Nov, Dec
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Mar, Apr
Nitrogen, ammonia total [as N]daily maximum≤ 60.57 mg/LJan, Feb, Oct, Nov, Dec
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Mar, Apr
Nitrogen, ammonia total [as N]monthly average≤ 13.2 lb/dJan, Feb, Oct, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 31.57 lb/dJan, Feb, Oct, Nov, Dec
Phosphorus, total [as P]monthly average≤ .07 lb/dJan, Feb, Oct, Nov, Dec
Phosphorus, total [as P]monthly average≤ 5.52 lb/dMar, Apr
Phosphorus, total [as P]weekly average≤ .14 lb/dJan, Feb, Oct, Nov, Dec
Phosphorus, total [as P]weekly average≤ 11.1 lb/dMar, Apr
Phosphorus, total [as P]average≤ .05 lb/dFeb
Phosphorus, total [as P]average≤ 3.56 lb/dApr
E. coli, MTEC-MFmonthly geometric mean≤ 126 #/100mLall year
E. coli, MTEC-MFinstantaneous maximum≤ 576 #/100mLall year
Floating solids, waste or visible foam-visualmonthly maximum≤ 0 N=0;Y=1all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualmonthly average≤ 50 ug/Lall year
Chlorine, total residualdaily maximum≤ 100 ug/Lall year
Chlorine, total residualmonthly average≤ .03 lb/dall year
Chlorine, total residualdaily maximum≤ .07 lb/dall year
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year

How strict are these limits?

Cited limits by parameter: Idaho'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/ID0025569 · MCP: https://passage-data.com/mcp