PlainWater

TIERRA DEL REY

PWS ID: TX1013582 · PINEHURST, Texas 77362-3843

TIERRA DEL REY serves 438 people in PINEHURST, Texas using Groundwater water sources. It has 1,295 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: TIERRA DEL REY

TIERRA DEL REY is a private-owned community water system that delivers drinking water to 438 residents in PINEHURST, Texas (Harris County) through 146 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 1,295 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 1,208 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 Public Notice, recorded in 81 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. TIERRA DEL REY's 1,295 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
438
Total Violations
1,295
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
146
County
Harris
School/Daycare
No
MCL Violations
0
Monitoring Violations
1,208
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Public Notice Other 81 2020
Lead and Copper Rule MR 37 2020
1,1-Dichloroethylene MR 26 2024
1,2-Dichloroethane MR 26 2024
1,1,1-Trichloroethane MR 26 2024
Xylenes, Total MR 26 2024
DICHLOROMETHANE MR 26 2024
o-Dichlorobenzene MR 26 2024
Vinyl chloride MR 26 2024
trans-1,2-Dichloroethylene MR 26 2024
Carbon tetrachloride MR 26 2024
1,2-Dichloropropane MR 26 2024
Trichloroethylene MR 26 2024
1,1,2-Trichloroethane MR 26 2024
Toluene MR 26 2024
Tetrachloroethylene MR 26 2024
1,2,4-Trichlorobenzene MR 26 2024
p-Dichlorobenzene MR 26 2024
Benzene MR 26 2024
Styrene MR 26 2024
CHLOROBENZENE MR 26 2024
cis-1,2-Dichloroethylene MR 26 2024
Ethylbenzene MR 26 2024
Aldicarb MR 18 2024
Endrin MR 18 2024
BHC-GAMMA MR 18 2024
Methoxychlor MR 18 2024
Toxaphene MR 18 2024
Di(2-ethylhexyl) phthalate MR 18 2024
Hexachlorocyclopentadiene MR 18 2024

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 TIERRA DEL REY.

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 TX1013582 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 TIERRA DEL REY 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
2024 1,1-Dichloroethylene MR 26 SDWIS / TX1013582 / 2977
2024 1,2-Dichloroethane MR 26 SDWIS / TX1013582 / 2980
2024 1,1,1-Trichloroethane MR 26 SDWIS / TX1013582 / 2981
2024 Xylenes, Total MR 26 SDWIS / TX1013582 / 2955
2024 DICHLOROMETHANE MR 26 SDWIS / TX1013582 / 2964
2024 o-Dichlorobenzene MR 26 SDWIS / TX1013582 / 2968
2024 Vinyl chloride MR 26 SDWIS / TX1013582 / 2976
2024 trans-1,2-Dichloroethylene MR 26 SDWIS / TX1013582 / 2979
2024 Carbon tetrachloride MR 26 SDWIS / TX1013582 / 2982
2024 1,2-Dichloropropane MR 26 SDWIS / TX1013582 / 2983
2024 Trichloroethylene MR 26 SDWIS / TX1013582 / 2984
2024 1,1,2-Trichloroethane MR 26 SDWIS / TX1013582 / 2985
2024 Toluene MR 26 SDWIS / TX1013582 / 2991
2024 Tetrachloroethylene MR 26 SDWIS / TX1013582 / 2987
2024 1,2,4-Trichlorobenzene MR 26 SDWIS / TX1013582 / 2378

How TIERRA DEL REY Compares

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

Metric TIERRA DEL REY Texas avg Federal benchmark
Total violations 1,295 101.5 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 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 438 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 TIERRA DEL REY water safe to drink?
TIERRA DEL REY (PWS ID: TX1013582) has 1295 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 438 people using Groundwater sources.
How many people does TIERRA DEL REY serve?
TIERRA DEL REY serves 438 people in PINEHURST, Texas. It is a Private-owned system using Groundwater water sources with 146 service connections.
What type of violations does TIERRA DEL REY have?
TIERRA DEL REY has 1,295 total violations: 0 health-based violations (MCL exceedances or treatment failures), 1,208 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in TIERRA DEL REY water?
No PFAS testing data is available for TIERRA DEL REY under the EPA's UCMR5 monitoring program.
What water source does TIERRA DEL REY use?
TIERRA DEL REY 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