Public water system · CO0111900
ActiveSanford Town of
At a glance
Town of Sanford (PWSID CO0111900) is an active community water system in Conejos County, Colorado. It reports serving 850 people through 436 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 1993.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
850
Service connections
436
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Town of Sanford compare with other water systems in Conejos County?
By EPA's size categories, Town of Sanford is a small system (501 to 3,300 people). Conejos County has 25 active public water systems, and Town of Sanford is the 3rd-largest of them by population served. Its population served is about 3 times the county average of 280 people per system, and accounts for 12% of the 6,992 people reported by systems filed under the county. Across Colorado, the 2,207 active systems average 3,400 people each. Nationally, the average active community water system reports serving 6,703 people, so Town of Sanford is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Colorado has 1,068 active community water systems, 48% of the state's 2,207 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,437 Colorado systems (65%) list groundwater as their primary source.
Who owns and regulates Town of Sanford?
EPA lists Town of Sanford as owned by a local government. The CO state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 10 of the 25 active systems in Conejos County (40%) are also owned by a local government.
Does Town of Sanford have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 1993. The violations listed here began between January 1993 and January 1993. By type: 12 monitoring and reporting. The contaminants or rules involved are Chlorobenzene, o-Dichlorobenzene, 1,1,1-Trichloroethane and 1,1,2-Trichloroethane. EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlorobenzenecode 2989 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | o-Dichlorobenzenecode 2968 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,1-Trichloroethanecode 2981 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,2-Trichloroethanecode 2985 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloropropanecode 2983 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | trans-1,2-Dichloroethylenecode 2979 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Oxamylcode 2036 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Picloramcode 2040 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Polychlorinated biphenyls (PCBs), totalcode 2383 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) adipatecode 2035 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylbenzenecode 2992 | No | Resolved |
The 12 most recent violations in EPA's records, newest first. Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Town of Sanford: frequently asked questions
Who runs Town of Sanford?
Town of Sanford (PWSID CO0111900) is a community water system owned by a local government. It is regulated by the CO state drinking water program.
How many people does Town of Sanford serve?
Town of Sanford reports serving 850 people through 436 service connections in Conejos County, Colorado.
Where does Town of Sanford get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Town of Sanford have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 1993. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Town of Sanford's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 1993. For current results, consult the system's annual water quality report, EPA ECHO, or the CO state drinking water program.
Where can I find Town of Sanford's water quality report?
As a community water system, Town of Sanford must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Conejos County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Antonito Town of | Conejos | 981 | Community | Groundwater under influence of surface water |
| Manassa Town of | Conejos | 976 | Community | Groundwater |
| La Jara Town of | Conejos | 825 | Community | Groundwater |
| Centauri Hs Centauri Ms | Conejos | 700 | Non-transient non-community | Groundwater |
| Romeo Town of | Conejos | 365 | Community | Groundwater |
| Horca Subd Red Bear Inn | Conejos | 307 | Non-transient non-community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Sanford Town of, PWSID CO0111900, Colorado”, https://aquacensus.com/water-systems/colorado/sanford-town-of-co0111900 (data as of October 1, 2026).