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TRINIDAD CITY OF

Colorado — Community Water System — PWSID: CO0136800

System Information

PWSIDCO0136800
System NameTRINIDAD CITY OF
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedMar 20, 1979
Last ReportedNov 17, 2025

Location & Contact

StateColorado
CityTRINIDAD
ZIP Code81082
Address—
OrganizationVIGIL, LINDA
Phone719-846-9843

Population & Service

Population Served11,400
Service Connections4,364

Drinking Water Violations (383)

This water system has 383 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 — Consumer Confidence Rule Other No No — — — Resolved Jul 15, 2024 Consumer Confidence Rule
Jul 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Jul 15, 2024 Consumer Confidence Rule
Jul 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Jul 15, 2024 Consumer Confidence Rule
Jul 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Jul 15, 2024 Consumer Confidence Rule
Jul 1, 2023 Sep 30, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2021 Sep 30, 2021 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2021 Sep 30, 2021 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2021 Sep 30, 2021 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2021 Surface Water Treatment Rule
Sep 1, 2021 Sep 30, 2021 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2021 Surface Water Treatment Rule
Sep 1, 2021 Sep 30, 2021 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2021 Sep 30, 2021 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2021 Surface Water Treatment Rule
Oct 1, 2020 — Lead and Copper Rule MR No No — TT — Resolved Sep 29, 2021 Lead and Copper Rule
Oct 1, 2020 — Lead and Copper Rule MR No No — TT — Resolved Sep 29, 2021 Lead and Copper Rule
Oct 1, 2020 — Lead and Copper Rule MR No No — TT — Resolved Sep 29, 2021 Lead and Copper Rule
Jul 1, 2020 Sep 30, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 — Lead and Copper Rule MR No No — TT — Resolved Aug 9, 2018 Lead and Copper Rule
Jan 1, 2018 — Lead and Copper Rule MR No No — TT — Resolved Aug 9, 2018 Lead and Copper Rule
Jan 1, 2018 — Lead and Copper Rule MR No No — TT — Resolved Aug 9, 2018 Lead and Copper Rule
Jan 1, 2017 Dec 31, 2019 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Atrazine MR No Yes — 0.003 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 2,4-D MR No Yes — 0.07 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 2,4-D MR No Yes — 0.07 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Atrazine MR No Yes — 0.003 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Atrazine MR No Yes — 0.003 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Aldicarb MR No Yes — — — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Aldicarb sulfone MR No Yes — — — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Aldicarb MR No Yes — — — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Chlordane MR No Yes — 0.002 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Chlordane MR No Yes — 0.002 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 2,4-D MR No Yes — 0.07 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Dec 31, 2019 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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