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MAROON LAKE

Colorado — Transient Non-Community — PWSID: CO0349502

System Information

PWSIDCO0349502
System NameMAROON LAKE
System TypeTransient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypeFederal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedJan 24, 1991
Last ReportedNov 17, 2025

Location & Contact

StateColorado
CityGLENWOOD SPRINGS
ZIP Code81601
Address900 GRAND AVE
OrganizationROSS, MICHAEL K
Phone970-846-6864

Population & Service

Population Served550
Service Connections5

Drinking Water Violations (38)

This water system has 38 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 11, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved Jul 11, 2023 Revised Total Coliform Rule
Jul 11, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved Jul 11, 2023 Revised Total Coliform Rule
Jul 11, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved Jul 11, 2023 Revised Total Coliform Rule
Jun 1, 2023 Jun 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2023 Revised Total Coliform Rule
Jun 1, 2023 Jun 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2023 Revised Total Coliform Rule
Jun 1, 2023 Jun 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2023 Revised Total Coliform Rule
Jan 1, 2023 Dec 31, 2023 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2023 Nitrate Rule
Jan 1, 2023 Dec 31, 2023 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2023 Nitrate Rule
Jan 1, 2023 Dec 31, 2023 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2023 Nitrate Rule
Oct 18, 2018 — Revised Total Coliform Rule TT Yes No — — — Resolved Jun 7, 2019 Revised Total Coliform Rule
Oct 18, 2018 — Revised Total Coliform Rule TT Yes No — — — Resolved Jun 7, 2019 Revised Total Coliform Rule
Oct 18, 2018 — Revised Total Coliform Rule TT Yes No — — — Resolved Jun 7, 2019 Revised Total Coliform Rule
Oct 18, 2018 — Revised Total Coliform Rule TT Yes No — — — Resolved Jun 7, 2019 Revised Total Coliform Rule
Jun 1, 2004 Jun 30, 2004 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2004 Total Coliform Rule
Jun 1, 2004 Jun 30, 2004 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2004 Total Coliform Rule
Jun 1, 2004 Jun 30, 2004 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2004 Total Coliform Rule
Jun 1, 2004 Jun 30, 2004 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2004 Total Coliform Rule
Jan 1, 2002 Dec 31, 2002 Nitrate MR No Yes — 10 mg/L — Resolved Aug 19, 2002 Nitrate Rule
Jan 1, 2002 Dec 31, 2002 Nitrate MR No Yes — 10 mg/L — Resolved Aug 19, 2002 Nitrate Rule
Jan 1, 2002 Dec 31, 2002 Nitrate MR No Yes — 10 mg/L — Resolved Aug 19, 2002 Nitrate Rule
Jan 1, 2001 Dec 31, 2001 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2001 Nitrate Rule
Jan 1, 2001 Dec 31, 2001 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2001 Nitrate Rule
Jan 1, 2001 Dec 31, 2001 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2001 Nitrate Rule
Oct 1, 1995 Oct 31, 1995 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 1995 Total Coliform Rule
Oct 1, 1995 Oct 31, 1995 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 1995 Total Coliform Rule
Oct 1, 1995 Oct 31, 1995 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 1995 Total Coliform Rule
Jul 1, 1995 Jul 31, 1995 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 1995 Total Coliform Rule
Jul 1, 1995 Jul 31, 1995 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 1995 Total Coliform Rule
Jul 1, 1995 Jul 31, 1995 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 1995 Total Coliform Rule
Jul 1, 1995 Jul 31, 1995 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 1995 Total Coliform Rule
Jul 1, 1995 Jul 31, 1995 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 1995 Total Coliform Rule
Jul 1, 1995 Jul 31, 1995 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 1995 Total Coliform Rule
Jul 1, 1995 Jul 31, 1995 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 1995 Total Coliform Rule
Jul 1, 1995 Jul 31, 1995 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 1995 Total Coliform Rule
— — — No No — — — — — —
— — — No No — — — — — —
— — — No No — — — — — —
— — — No No — — — — — —

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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