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Lincoln Pipestone Rural Water System

Water Supply, Pipestone, Minnesota. NPDES permit MN0064351, in force until Jul 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 45 days after each period: form A1 monthly (12 values)
Renewal application due
Feb 2, 2028 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 3 required values missing, 2 of 12 reports late

Limits in force (12)

ParameterStatisticLimitMonths
pHquarterly minimum≥ 6 SUMar, Jun, Sep, Dec
pHquarterly maximum≤ 9 SUMar, Jun, Sep, Dec
Solids, total suspendedquarterly maximum≤ 30 mg/LMar, Jun, Sep, Dec
Solids, total suspendedquarterly maximum≤ 6.4 kg/dMar, Jun, Sep, Dec
Nitrogen, total [as N]monthly averagereport only (mg/L)Mar, Sep
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Mar, Sep
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Mar, Sep
Phosphorus, total [as P]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximum≤ .42 MGDall year
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all year
Chlorine, total residualdaily maximum≤ .038 mg/LMar, Jun, Sep, Dec

How strict are these limits?

Cited limits by parameter: Minnesota's rules and the federal ones.

Same industry: the 8 Water Supply permits in Minnesota.

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/MN0064351 · MCP: https://passage-data.com/mcp