ALAMOSA CITY OF

Colorado — Community Water System — PWSID: CO0102100

System Information

PWSID	CO0102100
System Name	ALAMOSA CITY OF
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Local
EPA Region	08
Serves School	No
Wholesaler	No
First Reported	Mar 20, 1979
Last Reported	Nov 17, 2025

Location & Contact

State	Colorado
City	ALAMOSA
ZIP Code	81101
Address	—
Organization	REYNOLDS, HARRY
Phone	719-589-6631

Population & Service

Population Served	11,271
Service Connections	3,463

Drinking Water Violations (656)

This water system has 656 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
Nov 1, 2008	Nov 30, 2008	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Nov 30, 2008	Arsenic Rule
Nov 1, 2008	Nov 30, 2008	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Nov 30, 2008	Arsenic Rule
Nov 1, 2008	Nov 30, 2008	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Nov 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MCL	Yes	No	.062 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MCL	Yes	No	.022 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MCL	Yes	No	.088 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MCL	Yes	No	.088 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MCL	Yes	No	.088 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MCL	Yes	No	.027 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MCL	Yes	No	.062 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MCL	Yes	No	.062 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MCL	Yes	No	.057 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MCL	Yes	No	.057 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MCL	Yes	No	.057 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MCL	Yes	No	.03 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MCL	Yes	No	.03 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MCL	Yes	No	.03 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MCL	Yes	No	.022 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MCL	Yes	No	.022 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MCL	Yes	No	.022 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MCL	Yes	No	.088 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MCL	Yes	No	.088 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MCL	Yes	No	.03 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MCL	Yes	No	.027 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MCL	Yes	No	.027 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MCL	Yes	No	.027 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MCL	Yes	No	.027 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MCL	Yes	No	.062 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MCL	Yes	No	.03 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MCL	Yes	No	.062 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MCL	Yes	No	.022 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MCL	Yes	No	.057 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MCL	Yes	No	.057 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Jan 1, 2008	Mar 31, 2008	Arsenic	MCL	Yes	No	.026 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2008	Arsenic Rule
Jan 1, 2008	Mar 31, 2008	Arsenic	MCL	Yes	No	.022 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2008	Arsenic Rule
Jan 1, 2008	Mar 31, 2008	Arsenic	MCL	Yes	No	.022 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2008	Arsenic Rule
Jan 1, 2008	Mar 31, 2008	Arsenic	MCL	Yes	No	.056 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2008	Arsenic Rule
Jan 1, 2008	Mar 31, 2008	Arsenic	MCL	Yes	No	.056 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2008	Arsenic Rule
Jan 1, 2008	Mar 31, 2008	Arsenic	MCL	Yes	No	.022 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2008	Arsenic Rule
Jan 1, 2008	Mar 31, 2008	Arsenic	MCL	Yes	No	.026 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2008	Arsenic Rule
Jan 1, 2008	Mar 31, 2008	Arsenic	MCL	Yes	No	.022 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2008	Arsenic Rule
Jan 1, 2008	Mar 31, 2008	Arsenic	MCL	Yes	No	.022 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2008	Arsenic Rule
Jan 1, 2008	Mar 31, 2008	Arsenic	MCL	Yes	No	.026 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2008	Arsenic Rule
Jan 1, 2008	Mar 31, 2008	Arsenic	MCL	Yes	No	.026 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2008	Arsenic Rule
Jan 1, 2008	Mar 31, 2008	Arsenic	MCL	Yes	No	.029 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2008	Arsenic Rule
Jan 1, 2008	Mar 31, 2008	Arsenic	MCL	Yes	No	.029 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2008	Arsenic Rule
Jan 1, 2008	Mar 31, 2008	Arsenic	MCL	Yes	No	.056 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2008	Arsenic Rule
Jan 1, 2008	Mar 31, 2008	Arsenic	MCL	Yes	No	.084 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2008	Arsenic Rule
Jan 1, 2008	Mar 31, 2008	Arsenic	MCL	Yes	No	.084 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2008	Arsenic Rule
Jan 1, 2008	Mar 31, 2008	Arsenic	MCL	Yes	No	.084 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2008	Arsenic 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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