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Havenpark Management

Sewerage Systems, Saint Cloud, Minnesota. NPDES permit MN0045721, in force until Mar 31, 2027. Last 12 months: over a limit 4 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 47 days after each period: outfall D006 form A1 monthly (31 values), outfall D006 form A2 monthly (2 values), outfall S008 form A1 monthly (11 values)
Renewal application due
Oct 2, 2026 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
16 values over a limit, 0 required values missing, 0 of 36 reports late

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

Period endingParameterReportedLimitOver by
October 2025BOD, carbonaceous [5 day, 20 C], monthly average19.8≤ 15 mg/L32%
June 2026BOD, carbonaceous [5 day, 20 C], monthly average23.7≤ 15 mg/L58%
June 2026BOD, carbonaceous [5 day, 20 C], maximum weekly average12.4≤ 7.1 kg/d75%
June 2026BOD, carbonaceous [5 day, 20 C], maximum weekly average86≤ 25 mg/L244%

Limits in force (46)

ParameterStatisticLimitMonthsOutfall
Specific conductancemonthly maximumreport only (umho/cm)Mar, SepD006
Oxygen, dissolved [DO]monthly minimumreport only (mg/L)all yearD006
pHmonthly minimum≥ 6 SUall yearD006
pHmonthly maximum≤ 9 SUall yearD006
Bicarbonate ion- [as HCO3]monthly maximumreport only (mg/L)Mar, SepD006
Solids, total suspendedmonthly average≤ 30 mg/Lall yearD006
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall yearD006
Solids, total suspendedmonthly average≤ 8.5 kg/dall yearD006
Solids, total suspendedmaximum weekly average≤ 12.8 kg/dall yearD006
Nitrogen, total [as N]monthly averagereport only (mg/L)Mar, SepD006
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Mar, SepD006
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Mar, SepD006
Phosphorus, total [as P]monthly averagereport only (mg/L)Jun–SepD006
Phosphorus, total [as P]monthly averagereport only (mg/L)Jan, Feb, Mar, Apr, May, Oct, Nov, DecD006
Phosphorus, total [as P]monthly average≤ 1.5 kg/dJun–SepD006
Phosphorus, total [as P]monthly averagereport only (kg/d)Jan, Feb, Mar, Apr, May, Oct, Nov, DecD006
Phosphorus, total [as P]annual total≤ 363 kg/yrall yearD006
Calcium, total [as Ca]monthly maximumreport only (mg/L)Mar, SepD006
Magnesium, total [as Mg]monthly maximumreport only (mg/L)Mar, SepD006
Sodium, total [as Na]monthly maximumreport only (mg/L)Mar, SepD006
Potassium, total [as K]monthly maximumreport only (mg/L)Mar, SepD006
Chloride [as Cl]monthly maximumreport only (mg/L)Mar, SepD006
Sulfate, total [as SO4]monthly maximumreport only (mg/L)Mar, SepD006
Hardness, Ca Mg Calculated [mg/L as CaCO3]monthly maximumreport only (mg/L)Mar, SepD006
Coliform, fecal MPN + membrane ftl 44.5 Cmonthly geometric mean≤ 200 #/100mLall yearD006
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearD006
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all yearD006
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearD006
Solids, total dissolvedmonthly maximumreport only (mg/L)Mar, SepD006
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/Lall yearD006
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 25 mg/Lall yearD006
BOD, carbonaceous [5 day, 20 C]monthly average≤ 4.3 kg/dall yearD006
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 7.1 kg/dall yearD006
BOD, carb-5 day, 20 deg C, percent removalmonthly average minimum≥ 85 %all yearD006
Solids, suspended percent removalmonthly average minimum≥ 85 %all yearD006
Precipitation, total defined period/inmonthly totalreport only (in)all yearS008
pHmonthly minimumreport only (SU)all yearS008
pHmonthly maximumreport only (SU)all yearS008
Solids, total suspendedmonthly averagereport only (mg/L)all yearS008
Solids, total suspendedmonthly maximumreport only (mg/L)all yearS008
Nitrogen, total [as N]monthly averagereport only (mg/L)Mar, SepS008
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Mar, SepS008
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Mar, SepS008
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearS008
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all yearS008
BOD, carbonaceous [5 day, 20 C]monthly maximumreport only (mg/L)all yearS008

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/MN0045721 · MCP: https://passage-data.com/mcp