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CUSTER

South Dakota — Community Water System — PWSID: SD4600101

System Information

PWSIDSD4600101
System NameCUSTER
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1979
Last ReportedDec 9, 2025

Location & Contact

StateSouth Dakota
CityCUSTER
ZIP Code57730
Address622 CROOK STREET
OrganizationCUSTER
Phone6056734824

Population & Service

Population Served1,919
Service Connections1,200

Drinking Water Violations (96)

This water system has 96 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Jul 1, 1998 May 5, 1999 Lead and Copper Rule MR No No — TT — Resolved May 5, 1999 Lead and Copper Rule
Jul 1, 1998 May 5, 1999 Lead and Copper Rule MR No No — TT — Resolved May 5, 1999 Lead and Copper Rule
Jul 1, 1998 May 5, 1999 Lead and Copper Rule MR No No — TT — Resolved May 5, 1999 Lead and Copper Rule
Jul 1, 1996 Jun 9, 1997 Lead and Copper Rule MR No No — TT — Resolved Jun 9, 1997 Lead and Copper Rule
Jul 1, 1996 Jun 9, 1997 Lead and Copper Rule MR No No — TT — Resolved Jun 9, 1997 Lead and Copper Rule
Jan 1, 1996 Dec 31, 1998 LASSO MR No No — — — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Endothall MR No No — 0.1 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Di(2-ethylhexyl) adipate MR No No — 0.4 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Di(2-ethylhexyl) adipate MR No No — 0.4 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 1,2-DIBROMO-3-CHLOROPROPANE MR No No — 0.0002 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 1,2-DIBROMO-3-CHLOROPROPANE MR No No — 0.0002 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Simazine MR No No — 0.004 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Simazine MR No No — 0.004 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 ETHYLENE DIBROMIDE MR No No — 0.00005 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 ETHYLENE DIBROMIDE MR No No — 0.00005 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 HEXACHLOROBENZENE MR No No — 0.001 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 HEXACHLOROBENZENE MR No No — 0.001 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Diquat MR No No — 0.02 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Diquat MR No No — 0.02 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Diquat MR No No — 0.02 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Glyphosate MR No No — 0.7 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Glyphosate MR No No — 0.7 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Glyphosate MR No No — 0.7 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Endothall MR No No — 0.1 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Endothall MR No No — 0.1 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Chlordane MR No No — 0.002 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Carbofuran MR No No — 0.04 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Chlordane MR No No — 0.002 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Chlordane MR No No — 0.002 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Total Polychlorinated Biphenyls (PCB) MR No No — 0.0005 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Total Polychlorinated Biphenyls (PCB) MR No No — 0.0005 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Total Polychlorinated Biphenyls (PCB) MR No No — 0.0005 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Aldicarb sulfone MR No No — — — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Aldicarb sulfone MR No No — — — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Aldicarb MR No No — — — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Aldicarb MR No No — — — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Carbofuran MR No No — 0.04 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 LASSO MR No No — — — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Heptachlor MR No No — 0.0004 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Heptachlor MR No No — 0.0004 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Heptachlor MR No No — 0.0004 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Picloram MR No No — 0.5 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Picloram MR No No — 0.5 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Picloram MR No No — 0.5 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 BHC-GAMMA MR No No — 0.0002 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 BHC-GAMMA MR No No — 0.0002 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 LASSO MR No No — — — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Methoxychlor MR No No — 0.04 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Toxaphene MR No No — 0.003 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1996 Dec 31, 1998 Toxaphene MR No No — 0.003 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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