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SOUTH CHESTER WATER DIST

Montana — Community Water System — PWSID: MT0000007

System Information

PWSIDMT0000007
System NameSOUTH CHESTER WATER DIST
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypePrivate
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1979
Last ReportedJan 5, 2026

Location & Contact

StateMontana
CityCHESTER
ZIP Code59522
AddressPO BOX 461
OrganizationDOLEZAL, RICHARD
Phone406-759-6444

Population & Service

Population Served55
Service Connections26

Drinking Water Violations (187)

This water system has 187 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, 2025 Mar 31, 2025 Total Haloacetic Acids (HAA5) MCL Yes No .062 MG/L 0.060 mg/L .06 Archived Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 Total Haloacetic Acids (HAA5) MCL Yes No .062 MG/L 0.060 mg/L .06 Archived Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 Total Haloacetic Acids (HAA5) MCL Yes No .062 MG/L 0.060 mg/L .06 Archived Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 Total Haloacetic Acids (HAA5) MCL Yes No .063 MG/L 0.060 mg/L .06 Archived Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 Total Haloacetic Acids (HAA5) MCL Yes No .063 MG/L 0.060 mg/L .06 Archived Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Jul 19, 2023 Consumer Confidence Rule
Jul 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Jul 19, 2023 Consumer Confidence Rule
Jan 1, 2011 Dec 31, 2011 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2011 Dec 31, 2013 Asbestos MR No Yes — 7 MFL — Archived Dec 31, 2013 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2011 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2011 Dec 31, 2011 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2011 Dec 31, 2011 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2011 Dec 31, 2011 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2011 Dec 31, 2011 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2011 Dec 31, 2011 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2011 Dec 31, 2011 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2009 — Surface Water Treatment Rule TT Yes No — — — Resolved May 22, 2012 Surface Water Treatment Rule
Jun 1, 2009 — Surface Water Treatment Rule TT Yes No — — — Resolved May 22, 2012 Surface Water Treatment Rule
Jun 1, 2009 — Surface Water Treatment Rule TT Yes No — — — Resolved May 22, 2012 Surface Water Treatment Rule
Jun 1, 2009 — Surface Water Treatment Rule TT Yes No — — — Resolved May 22, 2012 Surface Water Treatment Rule
Jun 1, 2009 — Surface Water Treatment Rule TT Yes No — — — Resolved May 22, 2012 Surface Water Treatment Rule
Jan 1, 2004 Dec 31, 2004 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Dec 31, 2004 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Dec 31, 2004 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Dec 31, 2004 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Dec 31, 2004 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Dec 31, 2004 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2000 Dec 31, 2000 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2000 Nitrate Rule
Jan 1, 2000 Dec 31, 2000 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2000 Nitrate Rule
Jan 1, 2000 Dec 31, 2000 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2000 Nitrate Rule
Jun 1, 1999 Jun 30, 1999 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 1999 Total Coliform Rule
Jun 1, 1999 Jun 30, 1999 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 1999 Total Coliform Rule
Jan 1, 1999 Dec 31, 2001 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Dec 31, 2001 Synthetic Organic Chemicals
Jan 1, 1999 Dec 31, 2001 2,3,7,8-TCDD MR No Yes — 0.00000003 mg/L — Resolved Dec 31, 2001 Synthetic Organic Chemicals
Jan 1, 1999 Dec 31, 2001 Aldicarb MR No Yes — — — Resolved Dec 31, 2001 Synthetic Organic Chemicals
Jan 1, 1999 Dec 31, 2001 Aldicarb MR No Yes — — — Resolved Dec 31, 2001 Synthetic Organic Chemicals
Jan 1, 1999 Dec 31, 2001 Aldicarb MR No Yes — — — Resolved Dec 31, 2001 Synthetic Organic Chemicals
Jan 1, 1999 Dec 31, 2001 Endrin MR No Yes — 0.002 mg/L — Resolved Dec 31, 2001 Synthetic Organic Chemicals
Jan 1, 1999 Dec 31, 2001 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2001 Synthetic Organic Chemicals
Jan 1, 1999 Dec 31, 2001 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2001 Synthetic Organic Chemicals
Jan 1, 1999 Dec 31, 2001 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2001 Synthetic Organic Chemicals
Jan 1, 1999 Dec 31, 2001 Simazine MR No Yes — 0.004 mg/L — Resolved Dec 31, 2001 Synthetic Organic Chemicals
Jan 1, 1999 Dec 31, 2001 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2001 Synthetic Organic Chemicals
Jan 1, 1999 Dec 31, 2001 Glyphosate MR No Yes — 0.7 mg/L — Resolved Dec 31, 2001 Synthetic Organic Chemicals
Jan 1, 1999 Dec 31, 2001 Glyphosate MR No Yes — 0.7 mg/L — Resolved Dec 31, 2001 Synthetic Organic Chemicals
Jan 1, 1999 Dec 31, 2001 Glyphosate MR No Yes — 0.7 mg/L — Resolved Dec 31, 2001 Synthetic Organic Chemicals
Jan 1, 1999 Dec 31, 2001 OXAMYL MR No Yes — 0.2 mg/L — Resolved Dec 31, 2001 Synthetic Organic Chemicals
Jan 1, 1999 Dec 31, 2001 OXAMYL MR No Yes — 0.2 mg/L — Resolved Dec 31, 2001 Synthetic Organic Chemicals
Jan 1, 1999 Dec 31, 2001 OXAMYL MR No Yes — 0.2 mg/L — Resolved Dec 31, 2001 Synthetic Organic Chemicals
Jan 1, 1999 Dec 31, 2001 OXAMYL MR No Yes — 0.2 mg/L — Resolved Dec 31, 2001 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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