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MAY VALLEY WA

Colorado — Community Water System — PWSID: CO0150800

System Information

PWSIDCO0150800
System NameMAY VALLEY WA
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
CityWILEY
ZIP Code81092
Address—
OrganizationMARSH, LORETTA
Phone719-931-1501

Population & Service

Population Served1,500
Service Connections629

Drinking Water Violations (2,246)

This water system has 2,246 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
Apr 1, 2025 Jun 30, 2025 Combined Radium (-226 and -228) MCL Yes No 11 PCI/L 5 pCi/L 5 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Combined Radium (-226 and -228) MCL Yes No 16 PCI/L 5 pCi/L 5 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Gross Alpha, Excl. Radon and U MCL Yes No 47 PCI/L 15 pCi/L 15 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Gross Alpha, Excl. Radon and U MCL Yes No 19 PCI/L 15 pCi/L 15 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Combined Radium (-226 and -228) MCL Yes No 16 PCI/L 5 pCi/L 5 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Combined Radium (-226 and -228) MCL Yes No 8 PCI/L 5 pCi/L 5 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Gross Alpha, Excl. Radon and U MCL Yes No 28 PCI/L 15 pCi/L 15 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Gross Alpha, Excl. Radon and U MCL Yes No 33 PCI/L 15 pCi/L 15 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Gross Alpha, Excl. Radon and U MCL Yes No 31 PCI/L 15 pCi/L 15 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Gross Alpha, Excl. Radon and U MCL Yes No 19 PCI/L 15 pCi/L 15 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Gross Alpha, Excl. Radon and U MCL Yes No 33 PCI/L 15 pCi/L 15 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Gross Alpha, Excl. Radon and U MCL Yes No 33 PCI/L 15 pCi/L 15 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Combined Radium (-226 and -228) MCL Yes No 14 PCI/L 5 pCi/L 5 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Gross Alpha, Excl. Radon and U MCL Yes No 19 PCI/L 15 pCi/L 15 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Combined Radium (-226 and -228) MCL Yes No 14 PCI/L 5 pCi/L 5 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Combined Radium (-226 and -228) MCL Yes No 20 PCI/L 5 pCi/L 5 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Combined Radium (-226 and -228) MCL Yes No 14 PCI/L 5 pCi/L 5 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Combined Radium (-226 and -228) MCL Yes No 8 PCI/L 5 pCi/L 5 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Gross Alpha, Excl. Radon and U MCL Yes No 28 PCI/L 15 pCi/L 15 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Combined Radium (-226 and -228) MCL Yes No 8 PCI/L 5 pCi/L 5 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Combined Radium (-226 and -228) MCL Yes No 20 PCI/L 5 pCi/L 5 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Gross Alpha, Excl. Radon and U MCL Yes No 31 PCI/L 15 pCi/L 15 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Gross Alpha, Excl. Radon and U MCL Yes No 28 PCI/L 15 pCi/L 15 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Gross Alpha, Excl. Radon and U MCL Yes No 47 PCI/L 15 pCi/L 15 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Gross Alpha, Excl. Radon and U MCL Yes No 47 PCI/L 15 pCi/L 15 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Combined Radium (-226 and -228) MCL Yes No 20 PCI/L 5 pCi/L 5 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Combined Radium (-226 and -228) MCL Yes No 16 PCI/L 5 pCi/L 5 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Combined Radium (-226 and -228) MCL Yes No 11 PCI/L 5 pCi/L 5 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Gross Alpha, Excl. Radon and U MCL Yes No 31 PCI/L 15 pCi/L 15 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Combined Radium (-226 and -228) MCL Yes No 11 PCI/L 5 pCi/L 5 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Combined Radium (-226 and -228) MCL Yes No 7 PCI/L 5 pCi/L 5 Archived Mar 31, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Combined Radium (-226 and -228) MCL Yes No 7 PCI/L 5 pCi/L 5 Archived Mar 31, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Combined Radium (-226 and -228) MCL Yes No 7 PCI/L 5 pCi/L 5 Archived Mar 31, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Combined Radium (-226 and -228) MCL Yes No 22 PCI/L 5 pCi/L 5 Archived Mar 31, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Combined Radium (-226 and -228) MCL Yes No 22 PCI/L 5 pCi/L 5 Archived Mar 31, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Combined Radium (-226 and -228) MCL Yes No 14 PCI/L 5 pCi/L 5 Archived Mar 31, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Combined Radium (-226 and -228) MCL Yes No 11 PCI/L 5 pCi/L 5 Archived Mar 31, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Combined Radium (-226 and -228) MCL Yes No 16 PCI/L 5 pCi/L 5 Archived Mar 31, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Combined Radium (-226 and -228) MCL Yes No 11 PCI/L 5 pCi/L 5 Archived Mar 31, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Combined Radium (-226 and -228) MCL Yes No 14 PCI/L 5 pCi/L 5 Archived Mar 31, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Combined Radium (-226 and -228) MCL Yes No 22 PCI/L 5 pCi/L 5 Archived Mar 31, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Gross Alpha, Excl. Radon and U MCL Yes No 29 PCI/L 15 pCi/L 15 Archived Mar 31, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Combined Radium (-226 and -228) MCL Yes No 16 PCI/L 5 pCi/L 5 Archived Mar 31, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Combined Radium (-226 and -228) MCL Yes No 16 PCI/L 5 pCi/L 5 Archived Mar 31, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Combined Radium (-226 and -228) MCL Yes No 11 PCI/L 5 pCi/L 5 Archived Mar 31, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Gross Alpha, Excl. Radon and U MCL Yes No 29 PCI/L 15 pCi/L 15 Archived Mar 31, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Gross Alpha, Excl. Radon and U MCL Yes No 28 PCI/L 15 pCi/L 15 Archived Mar 31, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Gross Alpha, Excl. Radon and U MCL Yes No 18 PCI/L 15 pCi/L 15 Archived Mar 31, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Gross Alpha, Excl. Radon and U MCL Yes No 28 PCI/L 15 pCi/L 15 Archived Mar 31, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Gross Alpha, Excl. Radon and U MCL Yes No 29 PCI/L 15 pCi/L 15 Archived Mar 31, 2025 Radionuclides and Revised Rad 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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