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RIVERSIDE COLONY

South Dakota — Community Water System — PWSID: SD4602040

System Information

PWSIDSD4602040
System NameRIVERSIDE COLONY
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedMar 27, 1991
Last ReportedDec 9, 2025

Location & Contact

StateSouth Dakota
CityHURON
ZIP Code57350
Address40361 200TH STREET
OrganizationRIVERSIDE COLONY
Phone6053527462

Population & Service

Population Served80
Service Connections25

Drinking Water Violations (395)

This water system has 395 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
Jan 1, 2017 Jun 29, 2019 Lead and Copper Rule MR No No — TT — Resolved Jun 29, 2019 Lead and Copper Rule
Jan 1, 2017 Jun 29, 2019 Lead and Copper Rule MR No No — TT — Resolved Jun 29, 2019 Lead and Copper Rule
Jan 1, 2014 Mar 31, 2014 Glyphosate MR No Yes — 0.7 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Toxaphene MR No Yes — 0.003 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Toxaphene MR No Yes — 0.003 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 OXAMYL MR No Yes — 0.2 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 OXAMYL MR No Yes — 0.2 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Dalapon MR No Yes — 0.2 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Dalapon MR No Yes — 0.2 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 2,4-D MR No Yes — 0.07 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 2,4-D MR No Yes — 0.07 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Chlordane MR No Yes — 0.002 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Glyphosate MR No Yes — 0.7 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Diquat MR No Yes — 0.02 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Diquat MR No Yes — 0.02 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Carbofuran MR No Yes — 0.04 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Carbofuran MR No Yes — 0.04 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Chlordane MR No Yes — 0.002 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Dinoseb MR No Yes — 0.007 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Atrazine MR No Yes — 0.003 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 LASSO MR No Yes — — — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Atrazine MR No Yes — 0.003 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 LASSO MR No Yes — — — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Endrin MR No Yes — 0.002 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Endrin MR No Yes — 0.002 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Picloram MR No Yes — 0.5 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Picloram MR No Yes — 0.5 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Dinoseb MR No Yes — 0.007 mg/L — Resolved Mar 31, 2014 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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