PlainWater

OHMSTEDE

PWS ID: TX1011181 · LA PORTE, Texas 77571-9592

OHMSTEDE serves 74 people in LA PORTE, Texas using Groundwater water sources. It has 166 recorded EPA violations, including 7 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: OHMSTEDE

OHMSTEDE is a private-owned non-transient non-community water system that delivers drinking water to 74 residents in LA PORTE, Texas (Harris County) through 30 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 166 total violations for this system , of which 7 (4%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 127 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 Chlorine, recorded in 47 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. OHMSTEDE's 166 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
74
Total Violations
166
Health-Based Violations
7
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
30
County
Harris
School/Daycare
No
MCL Violations
3
Monitoring Violations
127
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 47 2020
Lead and Copper Rule MR 35 2024
Public Notice Other 22 2021
Coliform (TCR) MR 14 2015
E. COLI MR 4 2015
LEAD AND COPPER RULE REVISIONS TT 4 2024
LEAD AND COPPER RULE REVISIONS RPT 4 2024
Revised Total Coliform Rule MON 4 2020
Coliform (TCR) MCL 3 2005
Picloram MR 1 2020
Aldicarb MR 1 2020
Mercury MR 1 2020
Thallium, Total MR 1 2020
Selenium MR 1 2020
1,2-DIBROMO-3-CHLOROPROPANE MR 1 2020
Beryllium, Total MR 1 2020
OXAMYL MR 1 2020
CYANIDE MR 1 2020
Carbofuran MR 1 2020
Dinoseb MR 1 2020
2,4-D MR 1 2020
Aldicarb sulfone MR 1 2020
Antimony, Total MR 1 2020
2,4,5-TP MR 1 2020
Dalapon MR 1 2020
Cadmium MR 1 2020
Chromium MR 1 2020
Aldicarb sulfoxide MR 1 2020
Arsenic MR 1 2020
ETHYLENE DIBROMIDE MR 1 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 OHMSTEDE.

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 TX1011181 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 OHMSTEDE 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 Lead and Copper Rule MR 35 SDWIS / TX1011181 / 5000
2024 LEAD AND COPPER RULE REVISIONS TT 4 SDWIS / TX1011181 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 4 SDWIS / TX1011181 / 5200
2021 Public Notice Other 22 SDWIS / TX1011181 / 7500
2020 Chlorine MR 47 SDWIS / TX1011181 / 0999
2020 Revised Total Coliform Rule MON 4 SDWIS / TX1011181 / 8000
2020 Picloram MR 1 SDWIS / TX1011181 / 2040
2020 Aldicarb MR 1 SDWIS / TX1011181 / 2047
2020 Mercury MR 1 SDWIS / TX1011181 / 1035
2020 Thallium, Total MR 1 SDWIS / TX1011181 / 1085
2020 Selenium MR 1 SDWIS / TX1011181 / 1045
2020 1,2-DIBROMO-3-CHLOROPROPANE MR 1 SDWIS / TX1011181 / 2931
2020 Beryllium, Total MR 1 SDWIS / TX1011181 / 1075
2020 OXAMYL MR 1 SDWIS / TX1011181 / 2036
2020 CYANIDE MR 1 SDWIS / TX1011181 / 1024

How OHMSTEDE Compares

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

Metric OHMSTEDE Texas avg Federal benchmark
Total violations 166 101.5 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 7 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 74 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 OHMSTEDE water safe to drink?
OHMSTEDE (PWS ID: TX1011181) has 166 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 74 people using Groundwater sources.
How many people does OHMSTEDE serve?
OHMSTEDE serves 74 people in LA PORTE, Texas. It is a Private-owned system using Groundwater water sources with 30 service connections.
What type of violations does OHMSTEDE have?
OHMSTEDE has 166 total violations: 7 health-based violations (MCL exceedances or treatment failures), 127 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in OHMSTEDE water?
No PFAS testing data is available for OHMSTEDE under the EPA's UCMR5 monitoring program.
What water source does OHMSTEDE use?
OHMSTEDE 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.

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