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NEW ROCKPORT COLONY INC

Montana — Community Water System — PWSID: MT0001776

System Information

PWSIDMT0001776
System NameNEW ROCKPORT COLONY INC
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedMar 5, 1980
Last ReportedJan 5, 2026

Location & Contact

StateMontana
CityCHOTEAU
ZIP Code59422
Address200 18TH RD NW
OrganizationWIPF, PAUL S
Phone406-466-5925

Population & Service

Population Served160
Service Connections5

Drinking Water Violations (155)

This water system has 155 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, 2022 Dec 31, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Dec 31, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Dec 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Dec 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Dec 31, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Dec 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Apr 21, 2022 Consumer Confidence Rule
Oct 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Apr 21, 2022 Consumer Confidence Rule
Oct 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Apr 21, 2022 Consumer Confidence Rule
Jul 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Apr 21, 2022 Consumer Confidence Rule
Jul 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Apr 21, 2022 Consumer Confidence Rule
Dec 30, 2020 — Lead and Copper Rule MR No No — TT — Resolved Oct 18, 2024 Lead and Copper Rule
Dec 30, 2020 — Lead and Copper Rule MR No No — TT — Resolved Oct 18, 2024 Lead and Copper Rule
Oct 1, 2020 — Consumer Confidence Rule Other No No — — — Resolved Apr 21, 2022 Consumer Confidence Rule
Oct 1, 2020 — Consumer Confidence Rule Other No No — — — Resolved Apr 21, 2022 Consumer Confidence Rule
Jul 1, 2020 — Consumer Confidence Rule Other No No — — — Resolved Apr 21, 2022 Consumer Confidence Rule
Jul 1, 2020 — Consumer Confidence Rule Other No No — — — Resolved Apr 21, 2022 Consumer Confidence Rule
Oct 1, 2019 — Lead and Copper Rule MR No No — TT — Resolved Sep 8, 2020 Lead and Copper Rule
Oct 1, 2019 — Lead and Copper Rule MR No No — TT — Resolved Sep 8, 2020 Lead and Copper Rule
Oct 1, 2019 — Lead and Copper Rule MR No No — TT — Resolved Sep 8, 2020 Lead and Copper Rule
Sep 1, 2017 Aug 31, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2017 Aug 31, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2017 Aug 31, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2017 Aug 31, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2017 Aug 31, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2017 Aug 31, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2017 Dec 31, 2019 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 23, 2019 Radionuclides and Revised Rad Rule
Jan 1, 2017 Dec 31, 2019 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 23, 2019 Radionuclides and Revised Rad Rule
Jan 1, 2017 Dec 31, 2019 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 23, 2019 Radionuclides and Revised Rad Rule
Oct 14, 2014 — E. COLI MR No Yes — — — Resolved Oct 14, 2014 Ground Water Rule
Oct 14, 2014 — E. COLI MR No Yes — — — Resolved Oct 14, 2014 Ground Water Rule
Oct 14, 2014 — E. COLI MR No Yes — — — Resolved Oct 14, 2014 Ground Water Rule
Jul 1, 2008 — Consumer Confidence Rule Other No No — — — Resolved Aug 25, 2008 Consumer Confidence Rule
Jul 1, 2008 — Consumer Confidence Rule Other No No — — — Resolved Aug 25, 2008 Consumer Confidence Rule
Jul 1, 2008 — Consumer Confidence Rule Other No No — — — Resolved Aug 25, 2008 Consumer Confidence Rule
Jan 1, 2005 Dec 31, 2007 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Dec 31, 2007 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Dec 31, 2007 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Dec 31, 2007 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Dec 31, 2007 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Dec 31, 2007 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Dec 31, 2007 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Dec 31, 2007 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Dec 31, 2007 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Dec 31, 2007 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Dec 31, 2007 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Dec 31, 2007 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Dec 31, 2007 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Dec 31, 2007 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2002 Dec 31, 2004 Dinoseb MR No Yes — 0.007 mg/L — Resolved Dec 31, 2004 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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