Vehicle Safety
Recalls Search 320,000+ NHTSA safety recalls Complaints 2.1M+ consumer safety complaints TSBs 4.7M technical service bulletins VIN Lookup Decode any vehicle VIN instantly OBD Codes 12,000+ diagnostic trouble codes Fuel Economy EPA MPG data for all vehicles Safety Ratings 11,700+ NHTSA crash test ratings Investigations 5,300+ NHTSA defect investigations Statistics Recall trends & safety analysis
Consumer Safety
Product Safety 9,700+ CPSC product recalls Food Safety 28,600+ FDA food recalls Pet Safety 1.3M FDA animal adverse events Drug Safety 17,500+ FDA drug recalls Device Safety 38,400+ FDA device recalls Workplace Safety 102,900+ OSHA injury reports Brand History Cross-category recall lookup by company
Infrastructure
Bridge Safety 624,000 bridge inspections Aviation Safety 30,000+ NTSB aviation events Dam Safety 92,600 dam safety records Water Safety 433,000+ public water systems Railroad Safety 438,000+ rail crossings Pipeline Safety 8,800+ pipeline incidents
Public Health
Nursing Homes 14,700 CMS rated facilities Environmental 80,000+ hazardous sites & releases

TWIN BROOKS

South Dakota — Community Water System — PWSID: SD4600336

System Information

PWSIDSD4600336
System NameTWIN BROOKS
System TypeCommunity Water System
Water SourceGround Water
Activity StatusInactive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1979
Last ReportedDec 9, 2025

Location & Contact

StateSouth Dakota
CityTWIN BROOKS
ZIP Code57269
AddressPO BOX 20
OrganizationTWIN BROOKS
Phone—

Population & Service

Population Served69
Service Connections32

Drinking Water Violations (113)

This water system has 113 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
Feb 1, 2014 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Oct 1, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2014 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Oct 1, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 5, 2013 — Other No No — — — Resolved Oct 1, 2015 Ground Water Rule
Nov 5, 2013 — Other No No — — — Resolved Oct 1, 2015 Ground Water Rule
Jul 1, 2012 — Consumer Confidence Rule Other No No — — — Resolved Aug 29, 2012 Consumer Confidence Rule
Jul 1, 2012 — Consumer Confidence Rule Other No No — — — Resolved Aug 29, 2012 Consumer Confidence Rule
Jul 1, 2012 Sep 30, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2012 Sep 30, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2011 Jun 30, 2011 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2011 Jun 30, 2011 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2011 Jun 30, 2011 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2006 Dec 31, 2006 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2006 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.

Browse All Water Systems Water Safety Stats Water Safety Home
Browse All Water Systems Water Systems in South Dakota