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HYATTVILLE S&I DISTRICT

Wyoming — Community Water System — PWSID: WY5600209

System Information

PWSIDWY5600209
System NameHYATTVILLE S&I DISTRICT
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1979
Last ReportedNov 17, 2025

Location & Contact

StateWyoming
CityHYATTVILLE
ZIP Code82428
AddressBox 105
OrganizationSHIRRAN, LOIS
Phone307-469-2333

Population & Service

Population Served66
Service Connections71

Drinking Water Violations (191)

This water system has 191 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
Aug 1, 2023 Aug 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2023 Revised Total Coliform Rule
Oct 1, 2020 — Consumer Confidence Rule Other No No — — — Unaddressed — Consumer Confidence Rule
Jul 1, 2020 — Consumer Confidence Rule Other No No — — — Unaddressed — Consumer Confidence Rule
Jul 1, 2019 — Consumer Confidence Rule Other No No — — — Unaddressed — Consumer Confidence Rule
Aug 1, 2017 Aug 31, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2017 Revised Total Coliform Rule
Jan 1, 2016 — Lead and Copper Rule MR No No — TT — Resolved Jul 29, 2019 Lead and Copper Rule
Jul 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Jun 25, 2015 Consumer Confidence Rule
Jul 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Jun 25, 2015 Consumer Confidence Rule
Jul 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Jun 25, 2015 Consumer Confidence Rule
Jul 1, 2013 — Consumer Confidence Rule Other No No — — — Resolved Jun 25, 2015 Consumer Confidence Rule
Jul 1, 2013 — Consumer Confidence Rule Other No No — — — Resolved Jun 25, 2015 Consumer Confidence Rule
Jan 1, 2013 Dec 31, 2013 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2013 Nitrate Rule
Jan 1, 2013 Dec 31, 2013 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2013 Nitrate Rule
Jan 1, 2013 Dec 31, 2013 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2013 Nitrate Rule
Jan 1, 2013 Dec 31, 2013 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2013 Nitrate Rule
Dec 15, 2011 — Groundwater Rule Other No No — — — Resolved Jan 10, 2013 Ground Water Rule
Dec 15, 2011 — Groundwater Rule Other No No — — — Resolved Jan 10, 2013 Ground Water Rule
Jan 1, 2011 Dec 31, 2013 Picloram MR No Yes — 0.5 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Archived Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Selenium MR No Yes — 0.05 mg/L — Archived Dec 31, 2013 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2013 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Archived Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Arsenic MR No Yes — 0.010 mg/L — Archived Dec 31, 2013 Arsenic Rule
Jan 1, 2011 Dec 31, 2013 CYANIDE MR No Yes — 0.2 mg/L — Archived Dec 31, 2013 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2013 Fluoride MR No Yes — 4.0 mg/L — Archived Dec 31, 2013 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2013 Nickel MR No Yes — — — Archived Dec 31, 2013 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2013 Xylenes, Total MR No Yes — 10 mg/L — Archived Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Archived Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Beryllium, Total MR No Yes — 0.004 mg/L — Archived Dec 31, 2013 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2013 Simazine MR No Yes — 0.004 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Ethylbenzene MR No Yes — 0.7 mg/L — Archived Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 CHLOROBENZENE MR No Yes — 0.1 mg/L — Archived Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Styrene MR No Yes — 0.1 mg/L — Archived Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Simazine MR No Yes — 0.004 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 LASSO MR No Yes — — — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Picloram MR No Yes — 0.5 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Archived Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Carbofuran MR No Yes — 0.04 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Carbofuran MR No Yes — 0.04 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Atrazine MR No Yes — 0.003 mg/L — Resolved Dec 31, 2013 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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