South Central Regional Water District

NPDES permit ND0026344 · Minor NON-POTW · effective, expires 2030-03-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
2of 6 forms filed late

Last period with anything received: 2026-06-30.

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (117)

OutfallParameterStatisticLimitMonths
001ConductivityWKLY AVG report only all year
001ConductivityDAILY MN report only all year
001ConductivityMO AVG report only all year
001ConductivityDAILY AV report only all year
001ConductivityDAILY MX report only all year
001ConductivityDAILY MX report only all year
001Oxygen, dissolved [DO]DAILY MN >= 5 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 45 mg/L all year
001pHMINIMUM >= 6.5 SU all year
001pHMINIMUM report only all year
001pHMAXIMUM <= 9 SU all year
001pHMAXIMUM report only all year
001Alkalinity, total [as CaCO3]DAILY MN report only all year
001Alkalinity, total [as CaCO3]DAILY AV report only all year
001Alkalinity, total [as CaCO3]DAILY MX report only all year
001Bicarbonate ion- [as HCO3]DAILY MN report only all year
001Bicarbonate ion- [as HCO3]DAILY AV report only all year
001Bicarbonate ion- [as HCO3]DAILY MX report only all year
001Carbonate ion- [as CO3]DAILY MN report only all year
001Carbonate ion- [as CO3]DAILY AV report only all year
001Carbonate ion- [as CO3]DAILY MX report only all year
001Solids, total suspendedDAILY MN report only all year
001Solids, total suspendedDAILY AV report only all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedDAILY MX <= 90 mg/L all year
001Nitrite + Nitrate total [as N]DAILY MN report only all year
001Nitrite + Nitrate total [as N]DAILY AV report only all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MN report only all year
001Phosphorus, total [as P]DAILY AV report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Hardness, total [as CaCO3]DAILY MN report only all year
001Hardness, total [as CaCO3]DAILY AV report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Hardness, total [as CaCO3]DAILY MN report only all year
001Hardness, total [as CaCO3]DAILY AV report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Calcium, total [as Ca]DAILY MN report only all year
001Calcium, total [as Ca]DAILY AV report only all year
001Calcium, total [as Ca]DAILY MX report only all year
001Magnesium, total [as Mg]DAILY MN report only all year
001Magnesium, total [as Mg]DAILY AV report only all year
001Magnesium, total [as Mg]DAILY MX report only all year
001Sodium, total [as Na]DAILY MN report only all year
001Sodium, total [as Na]DAILY AV report only all year
001Sodium, total [as Na]DAILY MX report only all year
001Sodium adsorption ratioMINIMUM report only all year
001Sodium adsorption ratioAVERAGE report only all year
001Sodium adsorption ratioMAXIMUM report only all year
001Sodium, %MINIMUM report only all year
001Sodium, %AVERAGE report only all year
001Sodium, %MAXIMUM report only all year
001Potassium, total [as K]DAILY MN report only all year
001Potassium, total [as K]DAILY AV report only all year
001Potassium, total [as K]DAILY MX report only all year
001Chloride [as Cl]DAILY MN report only all year
001Chloride [as Cl]WKLY AVG report only all year
001Chloride [as Cl]DAILY AV report only all year
001Chloride [as Cl]MO AVG report only all year
001Chloride [as Cl]DAILY MX report only all year
001Chloride [as Cl]DAILY MX report only all year
001Sulfate, total [as SO4]WKLY AVG report only all year
001Sulfate, total [as SO4]DAILY MN report only all year
001Sulfate, total [as SO4]MO AVG report only all year
001Sulfate, total [as SO4]DAILY AV report only all year
001Sulfate, total [as SO4]DAILY MX report only all year
001Sulfate, total [as SO4]DAILY MX report only all year
001Fluoride, total [as F]DAILY MN report only all year
001Fluoride, total [as F]DAILY AV report only all year
001Fluoride, total [as F]DAILY MX report only all year
001Silica, total [as SiO2]DAILY MN report only all year
001Silica, total [as SiO2]DLYAVMIN report only all year
001Silica, total [as SiO2]DAILY MX report only all year
001Arsenic, total [as As]DAILY MN report only all year
001Arsenic, total [as As]DAILY AV report only all year
001Arsenic, total [as As]DAILY MX report only all year
001Cadmium, total [as Cd]DAILY MN report only all year
001Cadmium, total [as Cd]DAILY AV report only all year
001Cadmium, total [as Cd]DAILY MX report only all year
001Copper, total [as Cu]DAILY MN report only all year
001Copper, total [as Cu]DAILY AV report only all year
001Copper, total [as Cu]DAILY MX report only all year
001Iron, total [as Fe]DAILY MN report only all year
001Iron, total [as Fe]DAILY AV report only all year
001Iron, total [as Fe]DAILY MX report only all year
001Lead, total [as Pb]DAILY MN report only all year
001Lead, total [as Pb]DAILY AV report only all year
001Lead, total [as Pb]DAILY MX report only all year
001Manganese, total [as Mn]DAILY MN report only all year
001Manganese, total [as Mn]DAILY AV report only all year
001Manganese, total [as Mn]DAILY MX report only all year
001Nickel, total [as Ni]DAILY MN report only all year
001Nickel, total [as Ni]DAILY AV report only all year
001Nickel, total [as Ni]DAILY MX report only all year
001Zinc, total [as Zn]DAILY MN report only all year
001Zinc, total [as Zn]DAILY AV report only all year
001Zinc, total [as Zn]DAILY MX report only all year
001Selenium, total [as Se]DAILY MN report only all year
001Selenium, total [as Se]DAILY AV report only all year
001Selenium, total [as Se]DAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualDAILY MX <= 1.2 mg/L all year
001HydroxideDAILY MN report only all year
001HydroxideDAILY AV report only all year
001HydroxideDAILY MX report only all year
001Solids, total dissolved [TDS]DAILY MN report only all year
001Solids, total dissolved [TDS]DAILY AV report only all year
001Solids, total dissolved [TDS]DAILY MX report only all year
001Bromide [as Br]DAILY MN report only all year
001Bromide [as Br]DAILY AV report only all year
001Bromide [as Br]DAILY MX report only all year
001Turbidity, lab, NTUDAILY MN report only all year
001Turbidity, lab, NTUDAILY AV report only all year
001Turbidity, lab, NTUDAILY MX report only all year
001Flow, totalQT report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states