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CHESTER SANITARY DISTRICT

South Dakota — Community Water System — PWSID: SD4600088

System Information

PWSIDSD4600088
System NameCHESTER SANITARY DISTRICT
System TypeCommunity Water System
Water SourceGround Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1979
Last ReportedDec 9, 2025

Location & Contact

StateSouth Dakota
CityEGAN
ZIP Code57024
Address23343 479 AVE
OrganizationCHESTER SANITARY DISTRICT
Phone6059972098

Population & Service

Population Served363
Service Connections141

Drinking Water Violations (103)

This water system has 103 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, 2003 — Consumer Confidence Rule Other No No — — — Resolved Oct 8, 2003 Consumer Confidence Rule
Jul 1, 2003 — Consumer Confidence Rule Other No No — — — Resolved Oct 8, 2003 Consumer Confidence Rule
Jul 1, 1995 May 7, 1996 Lead and Copper Rule MR No No — TT — Resolved May 7, 1996 Lead and Copper Rule
Jul 1, 1995 May 7, 1996 Lead and Copper Rule MR No No — TT — Resolved May 7, 1996 Lead and Copper Rule
Jul 1, 1995 May 7, 1996 Lead and Copper Rule MR No No — TT — Resolved May 7, 1996 Lead and Copper Rule
Jan 1, 1995 May 7, 1996 Lead and Copper Rule MR No No — TT — Resolved May 7, 1996 Lead and Copper Rule
Jan 1, 1995 May 7, 1996 Lead and Copper Rule MR No No — TT — Resolved May 7, 1996 Lead and Copper Rule
Feb 1, 1994 Feb 28, 1994 Coliform (TCR) MR No No — 5% of samples — Archived Feb 28, 1994 Total Coliform Rule
Feb 1, 1994 Feb 28, 1994 Coliform (TCR) MR No No — 5% of samples — Archived Feb 28, 1994 Total Coliform Rule
Jan 1, 1994 Jul 19, 1994 Lead and Copper Rule MR No No — TT — Resolved Jul 19, 1994 Lead and Copper Rule
Jan 1, 1994 Jul 19, 1994 Lead and Copper Rule MR No No — TT — Resolved Jul 19, 1994 Lead and Copper Rule
Jan 1, 1993 Dec 31, 1995 Aldicarb sulfone MR No Yes — — — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Endrin MR No Yes — 0.002 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Endrin MR No Yes — 0.002 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Aldicarb MR No Yes — — — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Aldicarb MR No Yes — — — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Aldicarb MR No Yes — — — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Endothall MR No Yes — 0.1 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Simazine MR No Yes — 0.004 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Simazine MR No Yes — 0.004 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Chlordane MR No Yes — 0.002 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Chlordane MR No Yes — 0.002 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Glyphosate MR No Yes — 0.7 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Glyphosate MR No Yes — 0.7 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Glyphosate MR No Yes — 0.7 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Carbofuran MR No Yes — 0.04 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 LASSO MR No Yes — — — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 LASSO MR No Yes — — — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 LASSO MR No Yes — — — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Asbestos MR No Yes — 7 MFL — Resolved Dec 31, 1995 Inorganic Chemicals
Jan 1, 1993 Dec 31, 1995 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Carbofuran MR No Yes — 0.04 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Carbofuran MR No Yes — 0.04 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Atrazine MR No Yes — 0.003 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Atrazine MR No Yes — 0.003 mg/L — Resolved Dec 31, 1995 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1995 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Dec 31, 1995 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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