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THUNDERBIRD WSD

Colorado — Community Water System — PWSID: CO0118078

System Information

PWSIDCO0118078
System NameTHUNDERBIRD WSD
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedNov 24, 1987
Last ReportedNov 17, 2025

Location & Contact

StateColorado
CitySEDALIA
ZIP Code80135
Address—
OrganizationMORRIS, LARRY
Phone303-688-5962

Population & Service

Population Served490
Service Connections176

Drinking Water Violations (540)

This water system has 540 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
Nov 1, 2022 Nov 30, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2022 Revised Total Coliform Rule
Nov 1, 2022 Nov 30, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2022 Revised Total Coliform Rule
Nov 1, 2022 Nov 30, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2022 Revised Total Coliform Rule
Nov 1, 2022 Nov 30, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2022 Revised Total Coliform Rule
Oct 1, 2022 Dec 31, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 30, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022 Dec 31, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 30, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022 Dec 31, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 30, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 15, 2018 — Public Notice Other No No — — — Resolved Jan 11, 2019 Public Notice Rule and Revised PN Rule
Oct 15, 2018 — Public Notice Other No No — — — Resolved Jan 11, 2019 Public Notice Rule and Revised PN Rule
Oct 1, 2011 — Lead and Copper Rule MR No No — TT — Resolved Jul 17, 2012 Lead and Copper Rule
Oct 1, 2011 — Lead and Copper Rule MR No No — TT — Resolved Jul 17, 2012 Lead and Copper Rule
Oct 1, 2011 — Lead and Copper Rule MR No No — TT — Resolved Jul 17, 2012 Lead and Copper Rule
Oct 1, 2011 — Lead and Copper Rule MR No No — TT — Resolved Jul 17, 2012 Lead and Copper Rule
Oct 1, 2007 — Lead and Copper Rule MR No No — TT — Resolved Jan 30, 2009 Lead and Copper Rule
Oct 1, 2007 — Lead and Copper Rule MR No No — TT — Resolved Jan 30, 2009 Lead and Copper Rule
Oct 1, 2007 — Lead and Copper Rule MR No No — TT — Resolved Jan 30, 2009 Lead and Copper Rule
Oct 1, 2007 — Lead and Copper Rule MR No No — TT — Resolved Jan 30, 2009 Lead and Copper Rule
Apr 1, 2007 Jun 30, 2007 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2007 Jun 30, 2007 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2007 Jun 30, 2007 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2006 — Consumer Confidence Rule Other No No — — — Resolved Nov 1, 2006 Consumer Confidence Rule
Jul 1, 2006 — Consumer Confidence Rule Other No No — — — Resolved Nov 1, 2006 Consumer Confidence Rule
Jan 1, 2005 Dec 31, 2007 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2007 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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