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DINOSAUR TOWN OF

Colorado — Community Water System — PWSID: CO0141210

System Information

PWSIDCO0141210
System NameDINOSAUR TOWN OF
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedMar 20, 1979
Last ReportedNov 17, 2025

Location & Contact

StateColorado
CityDINOSAUR
ZIP Code81610
Address—
OrganizationELARTON, LARRY
Phone970-374-2296

Population & Service

Population Served350
Service Connections246

Drinking Water Violations (217)

This water system has 217 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
Oct 1, 2025 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Oct 1, 2025 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Oct 21, 2023 — Public Notice Other No No — — — Resolved Nov 13, 2023 Public Notice Rule and Revised PN Rule
Oct 21, 2023 — Public Notice Other No No — — — Resolved Nov 13, 2023 Public Notice Rule and Revised PN Rule
Jul 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Jul 26, 2023 Lead and Copper Rule
Jul 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Jul 26, 2023 Lead and Copper Rule
Jul 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Jul 26, 2023 Lead and Copper Rule
Jun 22, 2023 — Lead and Copper Rule TT Yes No — TT — Resolved Mar 18, 2024 Lead and Copper Rule
Jun 22, 2023 — Lead and Copper Rule TT Yes No — TT — Resolved Mar 18, 2024 Lead and Copper Rule
Jun 22, 2023 — Lead and Copper Rule TT Yes No — TT — Resolved Mar 18, 2024 Lead and Copper Rule
Jun 22, 2023 — Lead and Copper Rule TT Yes No — TT — Resolved Mar 18, 2024 Lead and Copper Rule
May 28, 2023 — Revised Total Coliform Rule Other No No — — — Resolved Sep 21, 2023 Revised Total Coliform Rule
May 28, 2023 — Revised Total Coliform Rule Other No No — — — Resolved Sep 21, 2023 Revised Total Coliform Rule
May 28, 2023 — Revised Total Coliform Rule Other No No — — — Resolved Sep 21, 2023 Revised Total Coliform Rule
Jul 1, 2022 Dec 31, 2022 Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2022 Lead and Copper Rule
Jul 1, 2022 Dec 31, 2022 Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2022 Lead and Copper Rule
Jul 1, 2022 Dec 31, 2022 Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2022 Lead and Copper Rule
Jan 1, 2022 Dec 31, 2022 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2022 Nitrate Rule
Jan 1, 2022 Dec 31, 2022 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2022 Nitrate Rule
Jan 1, 2022 Dec 31, 2022 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2022 Nitrate Rule
Dec 1, 2020 — Lead and Copper Rule TT Yes No — TT — Resolved Jan 7, 2021 Lead and Copper Rule
Dec 1, 2020 — Lead and Copper Rule TT Yes No — TT — Resolved Jan 7, 2021 Lead and Copper Rule
Dec 1, 2020 — Lead and Copper Rule TT Yes No — TT — Resolved Jan 7, 2021 Lead and Copper Rule
Dec 1, 2020 — Lead and Copper Rule TT Yes No — TT — Resolved Jan 7, 2021 Lead and Copper Rule
Apr 13, 2020 — Public Notice Other No No — — — Resolved May 28, 2021 Public Notice Rule and Revised PN Rule
Apr 13, 2020 — Public Notice Other No No — — — Resolved May 28, 2021 Public Notice Rule and Revised PN Rule
Jan 13, 2020 — Public Notice Other No No — — — Resolved May 28, 2021 Public Notice Rule and Revised PN Rule
Jan 13, 2020 — Public Notice Other No No — — — Resolved May 28, 2021 Public Notice Rule and Revised PN Rule
Jan 1, 2020 Dec 31, 2022 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 13, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Dec 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 13, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Dec 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 13, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Dec 31, 2022 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Chlordane MR No Yes — 0.002 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Chlordane MR No Yes — 0.002 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Chlordane MR No Yes — 0.002 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2022 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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