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WHITE ROCK COLONY

South Dakota — Community Water System — PWSID: SD4602027

System Information

PWSIDSD4602027
System NameWHITE ROCK COLONY
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedSep 19, 1990
Last ReportedDec 9, 2025

Location & Contact

StateSouth Dakota
CityROSHOLT
ZIP Code57260
Address47788 102ND STREET
OrganizationWHITE ROCK COLONY
Phone6055374871

Population & Service

Population Served108
Service Connections12

Drinking Water Violations (494)

This water system has 494 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
Sep 1, 2018 Sep 30, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2018 Revised Total Coliform Rule
Sep 1, 2018 Sep 30, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2018 Revised Total Coliform Rule
Sep 1, 2018 Sep 30, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2018 Revised Total Coliform Rule
Oct 1, 2013 — Lead and Copper Rule MR No No — TT — Resolved Sep 26, 2014 Lead and Copper Rule
Oct 1, 2013 — Lead and Copper Rule MR No No — TT — Resolved Sep 26, 2014 Lead and Copper Rule
Jan 1, 2013 Dec 31, 2013 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2013 Dec 31, 2013 Endrin MR No Yes — 0.002 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2013 Dec 31, 2013 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2013 Dec 31, 2013 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2013 Dec 31, 2013 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2013 Dec 31, 2013 Chlordane MR No Yes — 0.002 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2013 Dec 31, 2013 Chlordane MR No Yes — 0.002 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2013 Dec 31, 2013 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2013 Dec 31, 2013 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2013 Dec 31, 2013 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2013 Dec 31, 2013 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2013 Dec 31, 2013 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2013 Dec 31, 2013 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2013 Dec 31, 2013 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2013 Dec 31, 2013 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2013 Dec 31, 2013 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2013 Dec 31, 2013 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2013 Dec 31, 2013 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2013 Dec 31, 2013 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2013 Dec 31, 2013 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2013 Dec 31, 2013 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2013 Dec 31, 2013 LASSO MR No Yes — — — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2013 Dec 31, 2013 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2013 Dec 31, 2013 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2013 Dec 31, 2013 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2013 Dec 31, 2013 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2013 Dec 31, 2013 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2013 Dec 31, 2013 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2013 Dec 31, 2013 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2013 Dec 31, 2013 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2013 Dec 31, 2013 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2013 Dec 31, 2013 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2013 Dec 31, 2013 LASSO MR No Yes — — — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2013 Dec 31, 2013 Endrin MR No Yes — 0.002 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2013 Dec 31, 2013 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2013 Dec 31, 2013 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2013 Dec 31, 2013 Atrazine MR No Yes — 0.003 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2013 Dec 31, 2013 Atrazine MR No Yes — 0.003 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2013 Dec 31, 2013 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2013 Dec 31, 2013 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2013 Dec 31, 2013 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2013 Dec 31, 2013 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2013 Dec 31, 2013 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2013 Dec 31, 2013 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2013 Dec 31, 2013 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2013 Volatile 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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