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Lewis & Clark NRD - Cedar Knox Rural Water Project

Water Supply, Hartington, Nebraska. NPDES permit NE0113832, in force until Mar 31, 2030. Last 12 months: over a limit once (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form Q quarterly (12 values), form S twice a year (2 values), form P every 60 months
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 5 reports late

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

Period endingParameterReportedLimit
June 2026pH, daily maximum9.24 SU≤ 9 SU

Limits in force (24)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Jun–Oct
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Jan, Feb, Nov, Dec
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)Jun–Oct
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)Jan, Feb, Nov, Dec
Conductivitymonthly averagereport only (umho/cm)all year
Conductivitydaily maximumreport only (umho/cm)all year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all year
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year
Iron, total recoverablemonthly averagereport only (mg/L)all year
Iron, total recoverabledaily maximumreport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualmonthly averagereport only (mg/L)all year
Chlorine, total residualdaily maximumreport only (mg/L)all year

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

Same industry: the 17 Water Supply permits in Nebraska.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NE0113832 · MCP: https://passage-data.com/mcp