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OAK RIDGE ESTATES

Montana — Community Water System — PWSID: MT0004250

System Information

PWSIDMT0004250
System NameOAK RIDGE ESTATES
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedAug 10, 2002
Last ReportedJan 5, 2026

Location & Contact

StateMontana
CityBILLINGS
ZIP Code59101
Address420 NORTH 17TH STREET
OrganizationSTONE, SPENCER M
Phone406-652-5523

Population & Service

Population Served200
Service Connections81

Drinking Water Violations (295)

This water system has 295 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, 2023 — Consumer Confidence Rule Other No No — — — Resolved Jul 5, 2023 Consumer Confidence Rule
Jul 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Jul 5, 2023 Consumer Confidence Rule
Jan 1, 2014 — Lead and Copper Rule MR No No — TT — Resolved Feb 21, 2014 Lead and Copper Rule
Jan 1, 2014 — Lead and Copper Rule MR No No — TT — Resolved Feb 21, 2014 Lead and Copper Rule
Oct 1, 2010 — Lead and Copper Rule MR No No — TT — Resolved Sep 26, 2013 Lead and Copper Rule
Oct 1, 2010 — Lead and Copper Rule MR No No — TT — Resolved Sep 26, 2013 Lead and Copper Rule
Oct 1, 2010 — Lead and Copper Rule MR No No — TT — Resolved Sep 26, 2013 Lead and Copper Rule
Jan 1, 2008 Dec 31, 2008 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2008 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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