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Community Water System · PWS CO0112700

Garcia Domestic Wua

Garcia, Colorado 81152 - drinking water served from groundwater sources to 100 people, tracked in EPA SDWIS and UCMR5.

100
People served
288
EPA violations
27
Health-based
Untested
UCMR5 result

The verdict

EPA records 288 drinking-water violations at Garcia Domestic Wua, 9% of them health-based - above the Colorado per-system average.

288
Total EPA violations on record
9%
Health-based (MCL / treatment failure)
100
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Garcia Domestic Wua

Garcia Domestic Wua is a private-owned community water system that delivers drinking water to 100 residents in Garcia, Colorado (Costilla County) through 41 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 288 total violations for this system , of which 27 (9%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 247 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 22 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, 37 of 163 UCMR5-tested systems have reported PFAS detections (22.7%).

Garcia Domestic Wua's 288 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
100
Total Violations
288
Health-Based Violations
27
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
41
County
Costilla
School/Daycare
No
MCL Violations
19
Monitoring Violations
247
Treatment Tech Violations
8

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 22 2013
Coliform (TCR) MCL 19 2013
Nitrate MR 6 2014
Lead and Copper Rule MR 6 2023
Consumer Confidence Rule Other 5 2021
Glyphosate MR 5 2012
1,2,4-Trichlorobenzene MR 4 2005
cis-1,2-Dichloroethylene MR 4 2005
Xylenes, Total MR 4 2005
DICHLOROMETHANE MR 4 2005
p-Dichlorobenzene MR 4 2005
trans-1,2-Dichloroethylene MR 4 2005
Carbon tetrachloride MR 4 2005
Trichloroethylene MR 4 2005
Tetrachloroethylene MR 4 2005
Benzene MR 4 2005
Toluene MR 4 2005
Ethylbenzene MR 4 2005
Styrene MR 4 2005
Endrin MR 4 2005
BHC-GAMMA MR 4 2005
Methoxychlor MR 4 2005
Dalapon MR 4 2005
Diquat MR 4 2005
Endothall MR 4 2005
Di(2-ethylhexyl) adipate MR 4 2005
OXAMYL MR 4 2005
Di(2-ethylhexyl) phthalate MR 4 2005
Picloram MR 4 2005
Aldicarb sulfoxide MR 4 2005

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 Garcia Domestic Wua.

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 CO0112700 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 Garcia Domestic Wua 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
2024 LEAD AND COPPER RULE REVISIONS TT 4 SDWIS / CO0112700 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 3 SDWIS / CO0112700 / 5200
2023 Lead and Copper Rule MR 6 SDWIS / CO0112700 / 5000
2021 Consumer Confidence Rule Other 5 SDWIS / CO0112700 / 7000
2021 Stage 1 Disinfectants and Disinfection Byproducts Rule TT 4 SDWIS / CO0112700 / 0400
2021 Public Notice Other 2 SDWIS / CO0112700 / 7500
2014 Nitrate MR 6 SDWIS / CO0112700 / 1040
2013 Coliform (TCR) MR 22 SDWIS / CO0112700 / 3100
2013 Coliform (TCR) MCL 19 SDWIS / CO0112700 / 3100
2012 Glyphosate MR 5 SDWIS / CO0112700 / 2034
2005 1,2,4-Trichlorobenzene MR 4 SDWIS / CO0112700 / 2378
2005 cis-1,2-Dichloroethylene MR 4 SDWIS / CO0112700 / 2380
2005 Xylenes, Total MR 4 SDWIS / CO0112700 / 2955
2005 DICHLOROMETHANE MR 4 SDWIS / CO0112700 / 2964
2005 p-Dichlorobenzene MR 4 SDWIS / CO0112700 / 2969

How Garcia Domestic Wua Compares

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

Metric Garcia Domestic Wua Colorado avg Federal benchmark
Total violations 288 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 27 13.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 22.7% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 100 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 Garcia Domestic Wua water safe to drink? ▼
Garcia Domestic Wua (PWS ID: CO0112700) has 288 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 100 people using Groundwater sources.
How many people does Garcia Domestic Wua serve? ▼
Garcia Domestic Wua serves 100 people in Garcia, Colorado. It is a Private-owned system using Groundwater water sources with 41 service connections.
What type of violations does Garcia Domestic Wua have? ▼
Garcia Domestic Wua has 288 total violations: 27 health-based violations (MCL exceedances or treatment failures), 247 monitoring/reporting violations, and 8 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Garcia Domestic Wua water? ▼
No PFAS testing data is available for Garcia Domestic Wua under the EPA's UCMR5 monitoring program.
What water source does Garcia Domestic Wua use? ▼
Garcia Domestic Wua 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.