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Community Water System · PWS CO0111900

Sanford Town Of

Sanford, Colorado 81151 - drinking water served from groundwater sources to 850 people, tracked in EPA SDWIS and UCMR5.

850
People served
161
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 161 drinking-water violations at Sanford Town Of - above the Colorado per-system average.

161
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
850
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Sanford Town Of

Sanford Town Of is a local-owned community water system that delivers drinking water to 850 residents in Sanford, Colorado (Conejos County) through 436 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 161 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 153 monitoring and reporting violations are on file. The most recent violation on record dates to 1993.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 3 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Colorado, EPA tracks 2,193 public water systems serving 7,473,456 people, with 238,796 cumulative violations and 30,589 health-based violations on record. About 93% of systems in the state carry at least one violation, and state-wide the average per system is 108.9 violations. Statewide, 98 of 163 UCMR5-tested systems have reported PFAS detections (60.1%).

Sanford Town Of's 161 violations sit above the Colorado average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
850
Total Violations
161
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
436
County
Conejos
School/Daycare
No
MCL Violations
0
Monitoring Violations
153
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 3 1992
1,1,1-Trichloroethane MR 3 1993
1,1,2-Trichloroethane MR 3 1993
1,2-Dichloropropane MR 3 1993
1,2,4-Trichlorobenzene MR 3 1993
Carbon tetrachloride MR 3 1993
cis-1,2-Dichloroethylene MR 3 1993
DICHLOROMETHANE MR 3 1993
Ethylbenzene MR 3 1993
CHLOROBENZENE MR 3 1993
o-Dichlorobenzene MR 3 1993
p-Dichlorobenzene MR 3 1993
Tetrachloroethylene MR 3 1993
trans-1,2-Dichloroethylene MR 3 1993
Toluene MR 3 1993
Trichloroethylene MR 3 1993
Vinyl chloride MR 3 1993
Xylenes, Total MR 3 1993
2,4,5-TP MR 3 1993
Benzo(a)pyrene MR 3 1993
Carbofuran MR 3 1993
Dalapon MR 3 1993
1,2-DIBROMO-3-CHLOROPROPANE MR 3 1993
Dinoseb MR 3 1993
Endothall MR 3 1993
ETHYLENE DIBROMIDE MR 3 1993
Heptachlor MR 3 1993
Heptachlor epoxide MR 3 1993
OXAMYL MR 3 1993
Picloram MR 3 1993

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Sanford Town Of.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID CO0111900 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Colorado Drinking Water Authority

Colorado Department of Public Health and Environment, Water Quality Control is the primacy agency that licenses and inspects Sanford Town Of under EPA-delegated authority.

Open CO regulator portal

Source: Colorado Department of Public Health and Environment, Water Quality Control

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
1993 1,1,1-Trichloroethane MR 3 SDWIS / CO0111900 / 2981
1993 1,1,2-Trichloroethane MR 3 SDWIS / CO0111900 / 2985
1993 1,2-Dichloropropane MR 3 SDWIS / CO0111900 / 2983
1993 1,2,4-Trichlorobenzene MR 3 SDWIS / CO0111900 / 2378
1993 Carbon tetrachloride MR 3 SDWIS / CO0111900 / 2982
1993 cis-1,2-Dichloroethylene MR 3 SDWIS / CO0111900 / 2380
1993 DICHLOROMETHANE MR 3 SDWIS / CO0111900 / 2964
1993 Ethylbenzene MR 3 SDWIS / CO0111900 / 2992
1993 CHLOROBENZENE MR 3 SDWIS / CO0111900 / 2989
1993 o-Dichlorobenzene MR 3 SDWIS / CO0111900 / 2968
1993 p-Dichlorobenzene MR 3 SDWIS / CO0111900 / 2969
1993 Tetrachloroethylene MR 3 SDWIS / CO0111900 / 2987
1993 trans-1,2-Dichloroethylene MR 3 SDWIS / CO0111900 / 2979
1993 Toluene MR 3 SDWIS / CO0111900 / 2991
1993 Trichloroethylene MR 3 SDWIS / CO0111900 / 2984

How Sanford Town Of Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Sanford Town Of Colorado avg Federal benchmark
Total violations 161 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 13.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 60.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 850 3,408 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,193 regulated public water systems in Colorado.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Sanford Town Of water safe to drink? ▼
Sanford Town Of (PWS ID: CO0111900) has 161 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 850 people using Groundwater sources.
How many people does Sanford Town Of serve? ▼
Sanford Town Of serves 850 people in Sanford, Colorado. It is a Local-owned system using Groundwater water sources with 436 service connections.
What type of violations does Sanford Town Of have? ▼
Sanford Town Of has 161 total violations: 0 health-based violations (MCL exceedances or treatment failures), 153 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Sanford Town Of water? ▼
No PFAS testing data is available for Sanford Town Of under the EPA's UCMR5 monitoring program.
What water source does Sanford Town Of use? ▼
Sanford Town Of uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.