Vehicle Safety
Recalls Search 320,000+ NHTSA safety recalls Complaints 2.1M+ consumer safety complaints TSBs 4.7M technical service bulletins VIN Lookup Decode any vehicle VIN instantly OBD Codes 12,000+ diagnostic trouble codes Fuel Economy EPA MPG data for all vehicles Statistics Recall trends & safety analysis
Consumer Safety
Product Safety 9,700+ CPSC product recalls Food Safety 28,600+ FDA food recalls Pet Safety 1.3M FDA animal adverse events Drug Safety 17,500+ FDA drug recalls Device Safety 38,400+ FDA device recalls Workplace Safety 102,900+ OSHA injury reports
Infrastructure
Bridge Safety 624,000 bridge inspections Aviation Safety 30,000+ NTSB aviation events Dam Safety 92,600 dam safety records Water Safety 433,000+ public water systems Railroad Safety 438,000+ rail crossings Pipeline Safety 8,800+ pipeline incidents
Public Health
Nursing Homes 14,700 CMS rated facilities Environmental 80,000+ hazardous sites & releases

ANTONITO TOWN OF

Colorado — Community Water System — PWSID: CO0111100

System Information

PWSIDCO0111100
System NameANTONITO TOWN OF
System TypeCommunity Water System
Water SourceGround Water Under Influence
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedMar 20, 1979
Last ReportedNov 17, 2025

Location & Contact

StateColorado
CityANTONITO
ZIP Code81120
Address—
OrganizationDURAN, ROSSI
Phone719-298-6114

Population & Service

Population Served981
Service Connections435

Drinking Water Violations (569)

This water system has 569 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, 2025 Jul 31, 2025 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2025 Surface Water Treatment Rule
Jul 1, 2025 Jul 31, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2025 Revised Total Coliform Rule
Jul 1, 2025 Jul 31, 2025 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2025 Surface Water Treatment Rule
Jul 1, 2025 Jul 31, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2025 Revised Total Coliform Rule
Jul 1, 2025 Sep 30, 2025 Chlorine MR No Yes — 4.0 mg/L — Resolved Aug 15, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2025 Jul 31, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2025 Revised Total Coliform Rule
Jul 1, 2025 Sep 30, 2025 Chlorine MR No Yes — 4.0 mg/L — Resolved Aug 15, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2025 Sep 30, 2025 Chlorine MR No Yes — 4.0 mg/L — Resolved Aug 15, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2025 Jul 31, 2025 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2025 Surface Water Treatment Rule
Jan 1, 2025 Jan 31, 2025 Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2025 Surface Water Treatment Rule
Jan 1, 2025 Jan 31, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2025 Revised Total Coliform Rule
Jan 1, 2025 Jan 31, 2025 Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2025 Surface Water Treatment Rule
Jan 1, 2025 Jan 31, 2025 Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2025 Surface Water Treatment Rule
Jan 1, 2025 Mar 31, 2025 Chlorine MR No Yes — 4.0 mg/L — Resolved Feb 12, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 Chlorine MR No Yes — 4.0 mg/L — Resolved Feb 12, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 Chlorine MR No Yes — 4.0 mg/L — Resolved Feb 12, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Jan 31, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2025 Revised Total Coliform Rule
Jan 1, 2025 Jan 31, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2025 Revised Total Coliform Rule
Jul 1, 2024 Sep 30, 2024 CARBON, TOTAL MR No Yes — TT — Resolved Sep 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 CARBON, TOTAL MR No Yes — TT — Resolved Sep 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 CARBON, TOTAL MR No Yes — TT — Resolved Sep 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 CARBON, TOTAL MR No Yes — TT — Resolved Sep 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 CARBON, TOTAL MR No Yes — TT — Resolved Mar 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 CARBON, TOTAL MR No Yes — TT — Resolved Mar 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 CARBON, TOTAL MR No Yes — TT — Resolved Mar 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 CARBON, TOTAL MR No Yes — TT — Resolved Mar 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2023 Sep 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2023 Revised Total Coliform Rule
Sep 1, 2023 Sep 30, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2023 Surface Water Treatment Rule
Sep 1, 2023 Sep 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2023 Revised Total Coliform Rule
Sep 1, 2023 Sep 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2023 Revised Total Coliform Rule
Sep 1, 2023 Sep 30, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2023 Surface Water Treatment Rule
Sep 1, 2023 Sep 30, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2023 Surface Water Treatment Rule
Sep 1, 2023 Sep 30, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2023 Surface Water Treatment Rule
Sep 1, 2023 Sep 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2023 Revised Total Coliform Rule
Jul 1, 2023 Sep 30, 2023 CARBON, TOTAL MR No Yes — TT — Resolved Sep 8, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 CARBON, TOTAL MR No Yes — TT — Resolved Sep 8, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 CARBON, TOTAL MR No Yes — TT — Resolved Sep 8, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 CARBON, TOTAL MR No Yes — TT — Resolved Sep 8, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2022 Dec 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2022 Surface Water Treatment Rule
Dec 1, 2022 Dec 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2022 Surface Water Treatment Rule
Dec 1, 2022 Dec 31, 2022 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Dec 1, 2022 Dec 31, 2022 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Dec 1, 2022 Dec 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2022 Surface Water Treatment Rule
Dec 1, 2022 Dec 31, 2022 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 25, 2022 — Public Notice Other No No — — — Resolved Jun 10, 2022 Public Notice Rule and Revised PN Rule
Feb 25, 2022 — Public Notice Other No No — — — Resolved Jun 10, 2022 Public Notice Rule and Revised PN Rule

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.

Browse All Water Systems Water Safety Stats Water Safety Home
Browse All Water Systems Water Systems in Colorado