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US POST OFFICE SPRING

PWS ID: TX1012405 · SPRING, Texas 77373-9998

US POST OFFICE SPRING serves 120 people in SPRING, Texas using Groundwater water sources. It has 296 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: US POST OFFICE SPRING

US POST OFFICE SPRING is a federal-owned non-transient non-community water system that delivers drinking water to 120 residents in SPRING, Texas (Harris County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 296 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 237 monitoring and reporting violations are on file. The most recent violation on record dates to 2016.

The most frequently cited contaminant at this system is Chlorine, recorded in 82 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 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. US POST OFFICE SPRING's 296 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
120
Total Violations
296
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Federal
Connections
1
County
Harris
School/Daycare
No
MCL Violations
0
Monitoring Violations
237
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 82 2016
Public Notice Other 56 2015
Coliform (TCR) MR 45 2011
E. COLI MR 12 2011
OXAMYL MR 6 2011
Aldicarb sulfone MR 6 2011
Carbofuran MR 6 2011
Aldicarb MR 6 2011
1,2-DIBROMO-3-CHLOROPROPANE MR 6 2011
ETHYLENE DIBROMIDE MR 6 2011
Fluoride MR 6 2011
Picloram MR 6 2011
2,4,5-TP MR 6 2011
Lead and Copper Rule MR 6 2014
Aldicarb sulfoxide MR 6 2011
2,4-D MR 6 2011
Nitrate MR 6 2013
Dinoseb MR 6 2011
Dalapon MR 6 2011
TTHM MR 4 2014
Total Haloacetic Acids (HAA5) MR 4 2014

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 US POST OFFICE SPRING.

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 TX1012405 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 US POST OFFICE SPRING 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
2016 Chlorine MR 82 SDWIS / TX1012405 / 0999
2015 Public Notice Other 56 SDWIS / TX1012405 / 7500
2014 Lead and Copper Rule MR 6 SDWIS / TX1012405 / 5000
2014 TTHM MR 4 SDWIS / TX1012405 / 2950
2014 Total Haloacetic Acids (HAA5) MR 4 SDWIS / TX1012405 / 2456
2013 Nitrate MR 6 SDWIS / TX1012405 / 1040
2011 Coliform (TCR) MR 45 SDWIS / TX1012405 / 3100
2011 E. COLI MR 12 SDWIS / TX1012405 / 3014
2011 OXAMYL MR 6 SDWIS / TX1012405 / 2036
2011 Aldicarb sulfone MR 6 SDWIS / TX1012405 / 2044
2011 Carbofuran MR 6 SDWIS / TX1012405 / 2046
2011 Aldicarb MR 6 SDWIS / TX1012405 / 2047
2011 1,2-DIBROMO-3-CHLOROPROPANE MR 6 SDWIS / TX1012405 / 2931
2011 ETHYLENE DIBROMIDE MR 6 SDWIS / TX1012405 / 2946
2011 Fluoride MR 6 SDWIS / TX1012405 / 1025

How US POST OFFICE SPRING Compares

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

Metric US POST OFFICE SPRING Texas avg Federal benchmark
Total violations 296 101.5 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 120 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 US POST OFFICE SPRING water safe to drink? ▼
US POST OFFICE SPRING (PWS ID: TX1012405) has 296 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 120 people using Groundwater sources.
How many people does US POST OFFICE SPRING serve? ▼
US POST OFFICE SPRING serves 120 people in SPRING, Texas. It is a Federal-owned system using Groundwater water sources with 1 service connections.
What type of violations does US POST OFFICE SPRING have? ▼
US POST OFFICE SPRING has 296 total violations: 0 health-based violations (MCL exceedances or treatment failures), 237 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in US POST OFFICE SPRING water? ▼
No PFAS testing data is available for US POST OFFICE SPRING under the EPA's UCMR5 monitoring program.
What water source does US POST OFFICE SPRING use? ▼
US POST OFFICE SPRING uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.

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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.

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