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Rockland, City of

Sewage treatment plant, Rockland, Idaho. NPDES permit ID0022047 expired Jan 8, 2007; its limits still apply. Last 12 months: no values over a limit, 11 of 24 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (17 values), outfall REC form 1 monthly (4 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 6 of 24 reports late

Limits in force (29)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cmonthly average≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, 5-day, 20 deg. Cmonthly average≤ 45 mg/LMay–Oct001
BOD, 5-day, 20 deg. Cweekly average≤ 65 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, 5-day, 20 deg. Cweekly average≤ 65 mg/LMay–Oct001
BOD, 5-day, 20 deg. Cmonthly average≤ 15 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, 5-day, 20 deg. Cmonthly average≤ 23 lb/dMay–Oct001
BOD, 5-day, 20 deg. Cweekly average≤ 22 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, 5-day, 20 deg. Cweekly average≤ 34 lb/dMay–Oct001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 70 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Solids, total suspendedmonthly average≤ 70 mg/LMay–Oct001
Solids, total suspendedweekly average≤ 105 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Solids, total suspendedweekly average≤ 105 mg/LMay–Oct001
Solids, total suspendedmonthly average≤ 24 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Solids, total suspendedmonthly average≤ 36 lb/dMay–Oct001
Solids, total suspendedweekly average≤ 36 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Solids, total suspendedweekly average≤ 54 lb/dMay–Oct001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year001
E. coli, MTEC-MFmonthly geometric mean≤ 126 #/100mLall year001
E. coli, MTEC-MFinstantaneous maximum≤ 406 #/100mLall 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
BOD, 5-day, percent removalminimum % removal≥ 65 %all year001
Temperature, water deg. centigradedaily maximumreport only (deg C)all yearREC
Flow ratedaily maximumreport only (MGD)all yearREC
pHdaily maximumreport only (SU)all yearREC
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all yearREC

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/ID0022047 · MCP: https://passage-data.com/mcp