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South Central Regional Water District

Water Supply, Linton, North Dakota. NPDES permit ND0026344, in force until Mar 31, 2030. Last 12 months: no values over a limit, 2 of 6 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A quarterly (22 values), form G yearly, form M yearly
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 1 required value missing, 0 of 4 reports late

Limits in force (117)

ParameterStatisticLimitMonths
Conductivityweekly averagereport only (umho/cm)all year
Conductivitydaily minimumreport only (umho/cm)all year
Conductivitymonthly averagereport only (umho/cm)all year
Conductivitydaily averagereport only (umho/cm)all year
Conductivitydaily maximumreport only (umho/cm)all year
Conductivitydaily maximumreport only (umho/cm)all year
Oxygen, dissolved [DO]daily minimum≥ 5 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year
pHminimum≥ 6.5 SUall year
pHminimumreport only (SU)all year
pHmaximum≤ 9 SUall year
pHmaximumreport only (SU)all year
Alkalinity, total [as CaCO3]daily minimumreport only (mg/L)all year
Alkalinity, total [as CaCO3]daily averagereport only (mg/L)all year
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year
Bicarbonate ion- [as HCO3]daily minimumreport only (mg/L)all year
Bicarbonate ion- [as HCO3]daily averagereport only (mg/L)all year
Bicarbonate ion- [as HCO3]daily maximumreport only (mg/L)all year
Carbonate ion- [as CO3]daily minimumreport only (mg/L)all year
Carbonate ion- [as CO3]daily averagereport only (mg/L)all year
Carbonate ion- [as CO3]daily maximumreport only (mg/L)all year
Solids, total suspendeddaily minimumreport only (mg/L)all year
Solids, total suspendeddaily averagereport only (mg/L)all year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Solids, total suspendeddaily maximum≤ 90 mg/Lall year
Nitrite + Nitrate total [as N]daily minimumreport only (mg/L)all year
Nitrite + Nitrate total [as N]daily averagereport only (mg/L)all year
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]daily minimumreport only (mg/L)all year
Phosphorus, total [as P]daily averagereport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Hardness, total [as CaCO3]daily minimumreport only (mg/L)all year
Hardness, total [as CaCO3]daily averagereport only (mg/L)all year
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year
Hardness, total [as CaCO3]daily minimumreport only (mg/L)all year
Hardness, total [as CaCO3]daily averagereport only (mg/L)all year
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year
Calcium, total [as Ca]daily minimumreport only (mg/L)all year
Calcium, total [as Ca]daily averagereport only (mg/L)all year
Calcium, total [as Ca]daily maximumreport only (mg/L)all year
Magnesium, total [as Mg]daily minimumreport only (mg/L)all year
Magnesium, total [as Mg]daily averagereport only (mg/L)all year
Magnesium, total [as Mg]daily maximumreport only (mg/L)all year
Sodium, total [as Na]daily minimumreport only (mg/L)all year
Sodium, total [as Na]daily averagereport only (mg/L)all year
Sodium, total [as Na]daily maximumreport only (mg/L)all year
Sodium adsorption ratiominimumreport only (Ratio)all year
Sodium adsorption ratioaveragereport only (Ratio)all year
Sodium adsorption ratiomaximumreport only (Ratio)all year
Sodium, %minimumreport only (%)all year
Sodium, %averagereport only (%)all year
Sodium, %maximumreport only (%)all year
Potassium, total [as K]daily minimumreport only (mg/L)all year
Potassium, total [as K]daily averagereport only (mg/L)all year
Potassium, total [as K]daily maximumreport only (mg/L)all year
Chloride [as Cl]daily minimumreport only (mg/L)all year
Chloride [as Cl]weekly averagereport only (mg/L)all year
Chloride [as Cl]daily averagereport only (mg/L)all year
Chloride [as Cl]monthly averagereport only (mg/L)all year
Chloride [as Cl]daily maximumreport only (mg/L)all year
Chloride [as Cl]daily maximumreport only (mg/L)all year
Sulfate, total [as SO4]weekly averagereport only (mg/L)all year
Sulfate, total [as SO4]daily minimumreport only (mg/L)all year
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year
Sulfate, total [as SO4]daily averagereport only (mg/L)all year
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year
Fluoride, total [as F]daily minimumreport only (mg/L)all year
Fluoride, total [as F]daily averagereport only (mg/L)all year
Fluoride, total [as F]daily maximumreport only (mg/L)all year
Silica, total [as SiO2]daily minimumreport only (mg/L)all year
Silica, total [as SiO2]daily average minimumreport only (mg/L)all year
Silica, total [as SiO2]daily maximumreport only (mg/L)all year
Arsenic, total [as As]daily minimumreport only (ug/L)all year
Arsenic, total [as As]daily averagereport only (ug/L)all year
Arsenic, total [as As]daily maximumreport only (ug/L)all year
Cadmium, total [as Cd]daily minimumreport only (ug/L)all year
Cadmium, total [as Cd]daily averagereport only (ug/L)all year
Cadmium, total [as Cd]daily maximumreport only (ug/L)all year
Copper, total [as Cu]daily minimumreport only (ug/L)all year
Copper, total [as Cu]daily averagereport only (ug/L)all year
Copper, total [as Cu]daily maximumreport only (ug/L)all year
Iron, total [as Fe]daily minimumreport only (mg/L)all year
Iron, total [as Fe]daily averagereport only (mg/L)all year
Iron, total [as Fe]daily maximumreport only (mg/L)all year
Lead, total [as Pb]daily minimumreport only (ug/L)all year
Lead, total [as Pb]daily averagereport only (ug/L)all year
Lead, total [as Pb]daily maximumreport only (ug/L)all year
Manganese, total [as Mn]daily minimumreport only (mg/L)all year
Manganese, total [as Mn]daily averagereport only (mg/L)all year
Manganese, total [as Mn]daily maximumreport only (mg/L)all year
Nickel, total [as Ni]daily minimumreport only (ug/L)all year
Nickel, total [as Ni]daily averagereport only (ug/L)all year
Nickel, total [as Ni]daily maximumreport only (ug/L)all year
Zinc, total [as Zn]daily minimumreport only (ug/L)all year
Zinc, total [as Zn]daily averagereport only (ug/L)all year
Zinc, total [as Zn]daily maximumreport only (ug/L)all year
Selenium, total [as Se]daily minimumreport only (ug/L)all year
Selenium, total [as Se]daily averagereport only (ug/L)all year
Selenium, total [as Se]daily maximumreport only (ug/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 residualdaily maximum≤ 1.2 mg/Lall year
Hydroxidedaily minimumreport only (mg/L)all year
Hydroxidedaily averagereport only (mg/L)all year
Hydroxidedaily maximumreport only (mg/L)all year
Solids, total dissolved [TDS]daily minimumreport only (mg/L)all year
Solids, total dissolved [TDS]daily averagereport only (mg/L)all year
Solids, total dissolved [TDS]daily maximumreport only (mg/L)all year
Bromide [as Br]daily minimumreport only (mg/L)all year
Bromide [as Br]daily averagereport only (mg/L)all year
Bromide [as Br]daily maximumreport only (mg/L)all year
Turbidity, lab, NTUdaily minimumreport only (NTU)all year
Turbidity, lab, NTUdaily averagereport only (NTU)all year
Turbidity, lab, NTUdaily maximumreport only (NTU)all year
Flow, totalquarterly totalreport only (Mgal/qtr)all year

How strict are these limits?

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

Same industry: the 8 Water Supply permits in North Dakota.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/ND0026344 · MCP: https://passage-data.com/mcp