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Glencoe city of

Sewage treatment plant, major discharger, Glencoe, Minnesota. NPDES permit MN0022233 expired Dec 31, 2022; its limits still apply. Last 12 months: over a limit 4 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 47 days after each period: outfall D038 form A1 monthly (31 values), outfall D038 form A2 monthly (3 values), outfall D038 form S1 monthly (6 values), outfall D038 form T1 monthly (6 values), outfall S041 form A1 monthly (11 values), outfall W039 form A1 monthly (5 values), and 1 more form
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 84 reports late

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

Period endingParameterReportedLimitOver by
March 2026BOD, carbonaceous [5 day, 20 C], monthly average5.9≤ 5 mg/L18%
March 2026BOD, carbonaceous [5 day, 20 C], maximum weekly average21.07≤ 10 mg/L111%
September 2026BOD, carbonaceous [5 day, 20 C], maximum weekly average21.1≤ 10 mg/L111%
September 2026Solids, total suspended, maximum weekly average108≤ 45 mg/L140%

Limits in force (86)

ParameterStatisticLimitMonthsOutfall
Specific conductancemonthly maximumreport only (umho/cm)all yearD038
Oxygen, dissolved [DO]monthly minimum≥ 5 mg/Lall yearD038
pHmonthly minimum≥ 6 SUall yearD038
pHmonthly maximum≤ 9 SUall yearD038
Bicarbonate ion- [as HCO3]monthly maximumreport only (mg/L)all yearD038
Solids, total suspendedmonthly average≤ 30 mg/Lall yearD038
Solids, total suspendedmonthly maximumreport only (mg/L)May, SepD038
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall yearD038
Solids, total suspendedmonthly average≤ 295 kg/dall yearD038
Solids, total suspendedmaximum weekly average≤ 442 kg/dall yearD038
Nitrogen, total [as N]monthly averagereport only (mg/L)all yearD038
Nitrogen, ammonia total [as N]monthly average≤ 4.3 mg/LOct, NovD038
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all yearD038
Nitrogen, ammonia total [as N]monthly average≤ 7.7 mg/LJan, Feb, Mar, DecD038
Nitrogen, ammonia total [as N]monthly average≤ 4 mg/LApr, MayD038
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/LJun–SepD038
Nitrogen, ammonia total [as N]monthly average≤ 42 kg/dOct, NovD038
Nitrogen, ammonia total [as N]monthly averagereport only (kg/d)all yearD038
Nitrogen, ammonia total [as N]monthly average≤ 76 kg/dJan, Feb, Mar, DecD038
Nitrogen, ammonia total [as N]monthly average≤ 39 kg/dApr, MayD038
Nitrogen, ammonia total [as N]monthly average≤ 9.8 kg/dJun–SepD038
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all yearD038
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all yearD038
Phosphorus, total [as P]monthly average≤ .53 mg/LJun–SepD038
Phosphorus, total [as P]monthly averagereport only (mg/L)Jan, Feb, Mar, Apr, May, Oct, Nov, DecD038
Phosphorus, total [as P]monthly averagereport only (kg/d)Jun–SepD038
Phosphorus, total [as P]monthly averagereport only (kg/d)Jan, Feb, Mar, Apr, May, Oct, Nov, DecD038
Phosphorus, total [as P]annual total≤ 2874 kg/yrall yearD038
Calcium, total [as Ca]monthly maximumreport only (mg/L)all yearD038
Magnesium, total [as Mg]monthly maximumreport only (mg/L)all yearD038
Sodium, total [as Na]monthly maximumreport only (mg/L)all yearD038
Potassium, total [as K]monthly maximumreport only (mg/L)all yearD038
Chloride [as Cl]monthly maximumreport only (mg/L)all yearD038
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all yearD038
Copper, total [as Cu]monthly maximumreport only (ug/L)Mar, Jun, Sep, DecD038
Di[2-ethylhexyl] phthalate [DEHP]monthly maximumreport only (ug/L)Mar, SepD038
Hardness, Ca Mg Calculated [mg/L as CaCO3]monthly maximumreport only (mg/L)all yearD038
Coliform, fecal MPN + membrane ftl 44.5 Cmonthly geometric mean≤ 200 #/100mLApr–OctD038
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearD038
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all yearD038
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearD038
Chlorine, total residualdaily maximum≤ .038 mg/Lall yearD038
Solids, total dissolvedmonthly maximumreport only (mg/L)all yearD038
Mercury, dissolved [as Hg]monthly maximumreport only (ng/L)May, SepD038
Mercury, total [as Hg]monthly maximumreport only (ng/L)May, SepD038
BOD, carbonaceous [5 day, 20 C]monthly average≤ 5 mg/Lall yearD038
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall yearD038
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 10 mg/Lall yearD038
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/Lall yearD038
BOD, carbonaceous [5 day, 20 C]monthly average≤ 49 kg/dall yearD038
BOD, carbonaceous [5 day, 20 C]monthly average≤ 246 kg/dall yearD038
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 98 kg/dall yearD038
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 393 kg/dall yearD038
BOD, carb-5 day, 20 deg C, percent removalmonthly average minimum≥ 85 %all yearD038
Solids, suspended percent removalmonthly average minimum≥ 85 %all yearD038
Precipitation, total defined period/inmonthly totalreport only (in)all yearS041
pHmonthly minimumreport only (SU)all yearS041
pHmonthly maximumreport only (SU)all yearS041
Solids, total suspendedmonthly averagereport only (mg/L)all yearS041
Solids, total suspendedmonthly maximumreport only (mg/L)all yearS041
Nitrogen, total [as N]monthly averagereport only (mg/L)all yearS041
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all yearS041
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all yearS041
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearS041
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all yearS041
BOD, carbonaceous [5 day, 20 C]monthly maximumreport only (mg/L)all yearS041
Temperature, water deg. centigrademonthly maximumreport only (deg C)Jan, Feb, Mar, DecW039
Temperature, water deg. centigrademonthly maximumreport only (deg C)Apr–NovW039
Oxygen, dissolved [DO]monthly maximumreport only (mg/L)Apr–NovW039
Oxygen, dissolved [DO]monthly maximumreport only (mg/L)Jan, Feb, Mar, DecW039
pHmonthly maximumreport only (SU)Jan, Feb, Mar, DecW039
pHmonthly maximumreport only (SU)Apr–NovW039
Nitrogen, ammonia total [as N]monthly maximumreport only (mg/L)Jan, Feb, Mar, DecW039
Nitrogen, ammonia total [as N]monthly maximumreport only (mg/L)Apr–NovW039
Nitrogen, ammonia, tot unionized [as N]monthly maximumreport only (mg/L)Apr–NovW039
Nitrogen, ammonia, tot unionized [as N]monthly maximumreport only (mg/L)Jan, Feb, Mar, DecW039
Temperature, water deg. centigrademonthly maximumreport only (deg C)Jan, Feb, Mar, DecW040
Temperature, water deg. centigrademonthly maximumreport only (deg C)Apr–NovW040
Oxygen, dissolved [DO]monthly maximumreport only (mg/L)Jan, Feb, Mar, DecW040
Oxygen, dissolved [DO]monthly maximumreport only (mg/L)Apr–NovW040
pHmonthly maximumreport only (SU)Apr–NovW040
pHmonthly maximumreport only (SU)Jan, Feb, Mar, DecW040
Nitrogen, ammonia total [as N]monthly maximumreport only (mg/L)Apr–NovW040
Nitrogen, ammonia total [as N]monthly maximumreport only (mg/L)Jan, Feb, Mar, DecW040
Nitrogen, ammonia, tot unionized [as N]monthly maximumreport only (mg/L)Jan, Feb, Mar, DecW040
Nitrogen, ammonia, tot unionized [as N]monthly maximumreport only (mg/L)Apr–NovW040

How strict are these limits?

Cited limits by parameter: Minnesota'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/MN0022233 · MCP: https://passage-data.com/mcp