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BUFFALO, CITY OF

Wyoming — Community Water System — PWSID: WY5600005

System Information

PWSIDWY5600005
System NameBUFFALO, CITY OF
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1979
Last ReportedNov 17, 2025

Location & Contact

StateWyoming
CityBUFFALO
ZIP Code82834
Address46 North Main Street
OrganizationTUCKER, TERRY
Phone307-684-0572

Population & Service

Population Served4,419
Service Connections2,155

Drinking Water Violations (40)

This water system has 40 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, 2024 Sep 30, 2024 Total Haloacetic Acids (HAA5) MCL Yes No .061 MG/L 0.060 mg/L .06 Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 Total Haloacetic Acids (HAA5) MCL Yes No .061 MG/L 0.060 mg/L .06 Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 Total Haloacetic Acids (HAA5) MCL Yes No .076 MG/L 0.060 mg/L .06 Resolved Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 Total Haloacetic Acids (HAA5) MCL Yes No .076 MG/L 0.060 mg/L .06 Resolved Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 Total Haloacetic Acids (HAA5) MCL Yes No .08 MG/L 0.060 mg/L .06 Resolved Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 Total Haloacetic Acids (HAA5) MCL Yes No .08 MG/L 0.060 mg/L .06 Resolved Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 Total Haloacetic Acids (HAA5) MCL Yes No .067 MG/L 0.060 mg/L .06 Resolved Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 Total Haloacetic Acids (HAA5) MCL Yes No .064 MG/L 0.060 mg/L .06 Resolved Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 Total Haloacetic Acids (HAA5) MCL Yes No .064 MG/L 0.060 mg/L .06 Resolved Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 Total Haloacetic Acids (HAA5) MCL Yes No .067 MG/L 0.060 mg/L .06 Resolved Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Dec 31, 2023 Total Haloacetic Acids (HAA5) MCL Yes No .061 MG/L 0.060 mg/L .06 Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Dec 31, 2023 Total Haloacetic Acids (HAA5) MCL Yes No .061 MG/L 0.060 mg/L .06 Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 Sep 30, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2018 Apr 30, 2018 TTHM MR No Yes — 0.080 mg/L — Resolved Apr 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2018 Apr 30, 2018 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Apr 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2006 Mar 31, 2006 Total Haloacetic Acids (HAA5) MCL Yes No .075 0.060 mg/L .06 Resolved Mar 31, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2005 Dec 31, 2005 Total Haloacetic Acids (HAA5) MCL Yes No .07454 0.060 mg/L .06 Resolved Dec 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2005 Dec 31, 2005 Total Haloacetic Acids (HAA5) MCL Yes No .07454 0.060 mg/L .06 Resolved Dec 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2005 Dec 31, 2005 Total Haloacetic Acids (HAA5) MCL Yes No .07454 0.060 mg/L .06 Resolved Dec 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2005 Dec 31, 2005 Total Haloacetic Acids (HAA5) MCL Yes No .07454 0.060 mg/L .06 Resolved Dec 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2005 Sep 30, 2005 Total Haloacetic Acids (HAA5) MCL Yes No .0693 0.060 mg/L .06 Resolved Sep 30, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2005 Sep 30, 2005 Total Haloacetic Acids (HAA5) MCL Yes No .0693 0.060 mg/L .06 Resolved Sep 30, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2005 Jun 30, 2005 Total Haloacetic Acids (HAA5) MCL Yes No .0645 0.060 mg/L .06 Resolved Jun 30, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2005 Jun 30, 2005 Total Haloacetic Acids (HAA5) MCL Yes No .0645 0.060 mg/L .06 Resolved Jun 30, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2005 Jun 30, 2005 Total Haloacetic Acids (HAA5) MCL Yes No .0645 0.060 mg/L .06 Resolved Jun 30, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2005 Jun 30, 2005 Total Haloacetic Acids (HAA5) MCL Yes No .0645 0.060 mg/L .06 Resolved Jun 30, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2002 Dec 31, 2002 Di(2-ethylhexyl) phthalate MR No No — 0.006 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Mar 1, 1998 Mar 31, 1998 Surface Water Treatment Rule TT Yes No — — — Archived Mar 31, 1998 Surface Water Treatment Rule
Jun 1, 1997 Jun 30, 1997 Surface Water Treatment Rule TT Yes No — — — Resolved Jun 30, 1997 Surface Water Treatment Rule
May 1, 1997 May 31, 1997 Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 1997 Surface Water Treatment Rule
Apr 1, 1997 Apr 30, 1997 Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 1997 Surface Water Treatment Rule
Apr 1, 1982 Mar 31, 1983 Chromium MR No Yes — 0.1 mg/L — Archived Mar 31, 1983 Inorganic Chemicals
Apr 1, 1982 Mar 31, 1983 Mercury MR No Yes — 0.002 mg/L — Archived Mar 31, 1983 Inorganic Chemicals
Apr 1, 1982 Mar 31, 1983 Nitrate MR No Yes — 10 mg/L — Archived Mar 31, 1983 Nitrate Rule
Apr 1, 1982 Mar 31, 1983 Selenium MR No Yes — 0.05 mg/L — Archived Mar 31, 1983 Inorganic Chemicals
Apr 1, 1982 Mar 31, 1983 Arsenic MR No Yes — 0.010 mg/L — Archived Mar 31, 1983 Arsenic Rule
Apr 1, 1982 Mar 31, 1983 Barium MR No Yes — 2 mg/L — Archived Mar 31, 1983 Inorganic Chemicals
Apr 1, 1982 Mar 31, 1983 Cadmium MR No Yes — 0.005 mg/L — Archived Mar 31, 1983 Inorganic Chemicals
Apr 1, 1982 Mar 31, 1983 Fluoride MR No Yes — 4.0 mg/L — Archived Mar 31, 1983 Inorganic Chemicals
— — — No No — — — — — —

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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