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LOUVIERS WSD

Colorado — Community Water System — PWSID: CO0118035

System Information

PWSIDCO0118035
System NameLOUVIERS WSD
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedMar 20, 1979
Last ReportedNov 17, 2025

Location & Contact

StateColorado
CityCASTLE ROCK
ZIP Code80104
Address3995 S CASTLEWOOD CANYON RD
OrganizationPARKER, WILL S
Phone303-681-2253

Population & Service

Population Served238
Service Connections113

Drinking Water Violations (239)

This water system has 239 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, 2024 Dec 31, 2024 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Dec 31, 2024 Radionuclides and Revised Rad Rule
Oct 1, 2024 Dec 31, 2024 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Dec 31, 2024 Radionuclides and Revised Rad Rule
Oct 1, 2024 Dec 31, 2024 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Dec 31, 2024 Radionuclides and Revised Rad Rule
Oct 1, 2024 Dec 31, 2024 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Dec 31, 2024 Radionuclides and Revised Rad Rule
Oct 1, 2024 Dec 31, 2024 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Dec 31, 2024 Radionuclides and Revised Rad Rule
Jul 1, 2024 Sep 30, 2024 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Sep 30, 2024 Radionuclides and Revised Rad Rule
Jul 1, 2024 Sep 30, 2024 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Sep 30, 2024 Radionuclides and Revised Rad Rule
Jul 1, 2024 Sep 30, 2024 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Sep 30, 2024 Radionuclides and Revised Rad Rule
Jul 1, 2024 Sep 30, 2024 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Sep 30, 2024 Radionuclides and Revised Rad Rule
Jul 1, 2024 Sep 30, 2024 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Sep 30, 2024 Radionuclides and Revised Rad Rule
May 10, 2024 — Public Notice Other No No — — — Resolved Aug 23, 2024 Public Notice Rule and Revised PN Rule
May 10, 2024 — Public Notice Other No No — — — Resolved Aug 23, 2024 Public Notice Rule and Revised PN Rule
Apr 1, 2024 Jun 30, 2024 Combined Radium (-226 and -228) MCL Yes No 7 PCI/L 5 pCi/L 5 Resolved Jun 30, 2024 Radionuclides and Revised Rad Rule
Apr 1, 2024 Jun 30, 2024 Combined Radium (-226 and -228) MCL Yes No 7 PCI/L 5 pCi/L 5 Resolved Jun 30, 2024 Radionuclides and Revised Rad Rule
Apr 1, 2024 Jun 30, 2024 Combined Radium (-226 and -228) MCL Yes No 7 PCI/L 5 pCi/L 5 Resolved Jun 30, 2024 Radionuclides and Revised Rad Rule
Apr 1, 2024 Jun 30, 2024 Combined Radium (-226 and -228) MCL Yes No 7 PCI/L 5 pCi/L 5 Resolved Jun 30, 2024 Radionuclides and Revised Rad Rule
Apr 1, 2024 Jun 30, 2024 Combined Radium (-226 and -228) MCL Yes No 7 PCI/L 5 pCi/L 5 Resolved Jun 30, 2024 Radionuclides and Revised Rad Rule
Feb 4, 2024 — Public Notice Other No No — — — Resolved Mar 19, 2024 Public Notice Rule and Revised PN Rule
Feb 4, 2024 — Public Notice Other No No — — — Resolved Mar 19, 2024 Public Notice Rule and Revised PN Rule
Jan 1, 2024 Mar 31, 2024 Combined Radium (-226 and -228) MCL Yes No 7.22 PCI/L 5 pCi/L 5 Resolved Mar 31, 2024 Radionuclides and Revised Rad Rule
Jan 1, 2024 Mar 31, 2024 Combined Radium (-226 and -228) MCL Yes No 7.22 PCI/L 5 pCi/L 5 Resolved Mar 31, 2024 Radionuclides and Revised Rad Rule
Jan 1, 2024 Mar 31, 2024 Combined Radium (-226 and -228) MCL Yes No 7.22 PCI/L 5 pCi/L 5 Resolved Mar 31, 2024 Radionuclides and Revised Rad Rule
Jan 1, 2024 Mar 31, 2024 Combined Radium (-226 and -228) MCL Yes No 7.22 PCI/L 5 pCi/L 5 Resolved Mar 31, 2024 Radionuclides and Revised Rad Rule
Jan 1, 2024 Mar 31, 2024 Combined Radium (-226 and -228) MCL Yes No 7.22 PCI/L 5 pCi/L 5 Resolved Mar 31, 2024 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Combined Radium (-226 and -228) MCL Yes No 7.05 PCI/L 5 pCi/L 5 Resolved Dec 31, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Combined Radium (-226 and -228) MCL Yes No 7.05 PCI/L 5 pCi/L 5 Resolved Dec 31, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Combined Radium (-226 and -228) MCL Yes No 7.05 PCI/L 5 pCi/L 5 Resolved Dec 31, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Combined Radium (-226 and -228) MCL Yes No 7.05 PCI/L 5 pCi/L 5 Resolved Dec 31, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Combined Radium (-226 and -228) MCL Yes No 7.05 PCI/L 5 pCi/L 5 Resolved Dec 31, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Combined Radium (-226 and -228) MCL Yes No 6.27 PCI/L 5 pCi/L 5 Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Combined Radium (-226 and -228) MCL Yes No 6.27 PCI/L 5 pCi/L 5 Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Combined Radium (-226 and -228) MCL Yes No 6.27 PCI/L 5 pCi/L 5 Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Combined Radium (-226 and -228) MCL Yes No 6.27 PCI/L 5 pCi/L 5 Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Combined Radium (-226 and -228) MCL Yes No 6.27 PCI/L 5 pCi/L 5 Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Jan 1, 2022 Mar 31, 2022 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Mar 31, 2022 Radionuclides and Revised Rad Rule
Jan 1, 2022 Mar 31, 2022 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Mar 31, 2022 Radionuclides and Revised Rad Rule
Jan 1, 2022 Mar 31, 2022 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Mar 31, 2022 Radionuclides and Revised Rad Rule
Oct 1, 2021 Dec 31, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Oct 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2021 Revised Total Coliform 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.

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