PlainWater

CANDELARIA WSC

PWS ID: TX1890011 · MARFA, Texas 79843-6516

CANDELARIA WSC serves 138 people in MARFA, Texas using Groundwater water sources. It has 2,216 recorded EPA violations, including 290 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CANDELARIA WSC

CANDELARIA WSC is a local-owned community water system that delivers drinking water to 138 residents in MARFA, Texas (Presidio County) through 46 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 2,216 total violations for this system , of which 290 (13%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 1,335 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Public Notice, recorded in 548 violations (Other). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Texas, EPA tracks 7,351 public water systems serving 33,253,313 people, with 746,210 cumulative violations and 162,945 health-based violations on record. About 90% of systems in the state carry at least one violation, and state-wide the average per system is 101.5 violations. CANDELARIA WSC's 2,216 violations sit above the Texas average. Statewide, 1,068 of 1,147 UCMR5-tested systems have reported PFAS detections (93.1%). 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
138
Total Violations
2,216
Health-Based Violations
290
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
46
County
Presidio
School/Daycare
No
MCL Violations
288
Monitoring Violations
1,335
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Public Notice Other 548 2025
Arsenic MCL 288 2025
Coliform (TCR) MR 262 2016
Revised Total Coliform Rule MON 241 2025
Arsenic MR 142 2024
Chlorine MR 134 2025
Lead and Copper Rule MR 77 2025
Consumer Confidence Rule Other 37 2024
Fluoride MR 23 2020
Nitrate MR 15 2020
1,2,4-Trichlorobenzene MR 12 2020
cis-1,2-Dichloroethylene MR 12 2020
DICHLOROMETHANE MR 12 2020
o-Dichlorobenzene MR 12 2020
p-Dichlorobenzene MR 12 2020
trans-1,2-Dichloroethylene MR 12 2020
Carbon tetrachloride MR 12 2020
1,2-Dichloropropane MR 12 2020
Trichloroethylene MR 12 2020
1,1,2-Trichloroethane MR 12 2020
Tetrachloroethylene MR 12 2020
Benzene MR 12 2020
Styrene MR 12 2020
Xylenes, Total MR 12 2020
1,1,1-Trichloroethane MR 12 2020
CHLOROBENZENE MR 12 2020
Toluene MR 12 2020
Ethylbenzene MR 12 2020
Vinyl chloride MR 12 2020
1,2-Dichloroethane MR 12 2020

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 CANDELARIA WSC.

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 TX1890011 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Texas Drinking Water Authority

Texas Commission on Environmental Quality (TCEQ) — Drinking Water Watch is the primacy agency that licenses and inspects CANDELARIA WSC under EPA-delegated authority.

Open TX regulator portal

Source: Texas Commission on Environmental Quality (TCEQ) — Drinking Water Watch

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
2025 Public Notice Other 548 SDWIS / TX1890011 / 7500
2025 Arsenic MCL 288 SDWIS / TX1890011 / 1005
2025 Revised Total Coliform Rule MON 241 SDWIS / TX1890011 / 8000
2025 Chlorine MR 134 SDWIS / TX1890011 / 0999
2025 Lead and Copper Rule MR 77 SDWIS / TX1890011 / 5000
2024 Arsenic MR 142 SDWIS / TX1890011 / 1005
2024 Consumer Confidence Rule Other 37 SDWIS / TX1890011 / 7000
2024 LEAD AND COPPER RULE REVISIONS TT 2 SDWIS / TX1890011 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 2 SDWIS / TX1890011 / 5200
2020 Fluoride MR 23 SDWIS / TX1890011 / 1025
2020 Nitrate MR 15 SDWIS / TX1890011 / 1040
2020 1,2,4-Trichlorobenzene MR 12 SDWIS / TX1890011 / 2378
2020 cis-1,2-Dichloroethylene MR 12 SDWIS / TX1890011 / 2380
2020 DICHLOROMETHANE MR 12 SDWIS / TX1890011 / 2964
2020 o-Dichlorobenzene MR 12 SDWIS / TX1890011 / 2968

How CANDELARIA WSC Compares

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

Metric CANDELARIA WSC Texas avg Federal benchmark
Total violations 2,216 101.5 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 290 22.2 Indicates a contaminant exceeded a federal MCL
PFAS detection None 93.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 138 4,524 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 7,351 regulated public water systems in Texas.

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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is CANDELARIA WSC water safe to drink?
CANDELARIA WSC (PWS ID: TX1890011) has 2216 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 138 people using Groundwater sources.
How many people does CANDELARIA WSC serve?
CANDELARIA WSC serves 138 people in MARFA, Texas. It is a Local-owned system using Groundwater water sources with 46 service connections.
What type of violations does CANDELARIA WSC have?
CANDELARIA WSC has 2,216 total violations: 290 health-based violations (MCL exceedances or treatment failures), 1,335 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CANDELARIA WSC water?
No PFAS testing data is available for CANDELARIA WSC under the EPA's UCMR5 monitoring program.
What water source does CANDELARIA WSC use?
CANDELARIA WSC 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.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial