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Aspen Hills Homeowners Association

Sewerage Systems, Elk River, Minnesota. NPDES permit MN0066028, in force until May 31, 2029. Last 12 months: over a limit 14 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 47 days after each period: outfall D002 form A1 monthly (23 values), outfall D002 form A2 monthly (1 value), outfall S003 form A1 monthly (14 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
8 values over a limit, 0 required values missing, 0 of 36 reports late

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

All 14 values over a limit
Period endingParameterReportedLimitOver by
February 2026Phosphorus, total [as P], monthly average1.3≤ 1 mg/L30%
February 2026Solids, suspended percent removal, monthly average minimum76≥ 85 %60%
March 2026Phosphorus, total [as P], monthly average2.8≤ 1 mg/L180%
April 2026Phosphorus, total [as P], monthly average1.4≤ 1 mg/L40%
May 2026Phosphorus, total [as P], monthly average3.8≤ 1 mg/L280%
May 2026Solids, suspended percent removal, monthly average minimum84≥ 85 %7%
June 2026Phosphorus, total [as P], monthly average1.2≤ 1 mg/L20%
June 2026Solids, suspended percent removal, monthly average minimum80≥ 85 %33%
July 2026Phosphorus, total [as P], monthly average1.4≤ 1 mg/L40%
July 2026Solids, suspended percent removal, monthly average minimum77≥ 85 %53%
July 2026pH, monthly minimum4.1≥ 6 SU—
August 2026Solids, suspended percent removal, monthly average minimum72≥ 85 %87%
September 2026Solids, suspended percent removal, monthly average minimum31≥ 85 %360%
September 2026Solids, total suspended, monthly average36≤ 30 mg/L20%

Limits in force (38)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]monthly minimumreport only (mg/L)all yearD002
pHmonthly minimum≥ 6 SUall yearD002
pHmonthly maximum≤ 9 SUall yearD002
Solids, total suspendedmonthly average≤ 30 mg/Lall yearD002
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall yearD002
Solids, total suspendedmonthly average≤ 2.95 kg/dall yearD002
Solids, total suspendedmaximum weekly average≤ 3.32 kg/dall yearD002
Nitrogen, total [as N]monthly averagereport only (mg/L)Mar, SepD002
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Mar, SepD002
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Mar, SepD002
Phosphorus, total [as P]monthly average≤ 1 mg/Lall yearD002
Phosphorus, total [as P]monthly averagereport only (kg/d)all yearD002
Phosphorus, total [as P]annual total≤ 27 kg/yrall yearD002
Sulfate, total [as SO4]monthly maximumreport only (mg/L)Mar, Jun, Sep, DecD002
Coliform, fecal MPN + membrane ftl 44.5 Cmonthly geometric mean≤ 200 #/100mLApr–OctD002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearD002
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all yearD002
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearD002
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall yearD002
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/Lall yearD002
BOD, carbonaceous [5 day, 20 C]monthly average≤ 1.85 kg/dall yearD002
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 2.95 kg/dall yearD002
BOD, carb-5 day, 20 deg C, percent removalmonthly average minimum≥ 85 %all yearD002
Solids, suspended percent removalmonthly average minimum≥ 85 %all yearD002
Precipitation, total defined period/inmonthly totalreport only (in)all yearS003
pHmonthly minimumreport only (SU)all yearS003
pHmonthly maximumreport only (SU)all yearS003
Solids, total suspendedmonthly averagereport only (mg/L)all yearS003
Solids, total suspendedmonthly maximumreport only (mg/L)all yearS003
Nitrogen, total [as N]monthly averagereport only (mg/L)Mar, SepS003
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Mar, SepS003
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Mar, SepS003
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearS003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearS003
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all yearS003
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearS003
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all yearS003
BOD, carbonaceous [5 day, 20 C]monthly maximumreport only (mg/L)all yearS003

How strict are these limits?

Cited limits by parameter: Minnesota'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/MN0066028 · MCP: https://passage-data.com/mcp