PlainWater

Community Water System · PWS TX1010082

Harris County Fwsd 1A

Operator location Houston, Texas - upper-third violation load (> 74 violations) with 212 EPA violations; surface water source; 2,560 served (PWS-level, not municipal population).

2,560
People served (this PWS) Middle third of systems
212
EPA violations (this PWS) Upper third of systems
33
Health-based (this PWS) Middle third by health-based share
Untested
UCMR5 (this PWS) No UCMR5 result
Follow published updates (RSS)

Harris County Fwsd 1A standing, high SDWIS violation third

212 EPA SDWIS violations on record - upper-third violation load (> 74 violations). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 16% is middle-third health share (≤ 23%). Population rank #11,706 of 29,740 among systems serving 500+.

The verdict

Harris County Fwsd 1A sits in the upper third of the sitemap cohort by violation count (212), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 2,560 (mid served population (≤ 3,309)). Health-based share is 16% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.

#11,706 of 29,740
Population · /systems
#1,427 of 3,040
Population · TX
212
Total EPA violations on record
16%
Health-based (MCL / treatment failure)

Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.

F
Water Safety Score
4/100
Harris County Fwsd 1A

Based on EPA SDWIS violation history and UCMR5 PFAS testing only, not water taste, odor, infrastructure age, or contaminants outside the federally tracked set.

Health-based violations F
33
EPA SDWIS health-based violations on record (MCL, MRDL, treatment technique)
Monitoring & reporting violations F
179
Non-health SDWIS violations (monitoring, reporting, and other compliance)
PFAS contamination N/A
Not UCMR5-tested
Highest PFAS compound level detected in UCMR5 testing

System Details

System Type
Community
Owner Type
Local
Connections
855
County
Harris
School/Daycare
No
MCL Violations
27
Monitoring Violations
134
Treatment Tech Violations
6

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 57 2015
Public Notice Other 35 2017
Revised Total Coliform Rule MON 32 2017
Coliform (TCR) MR 30 2014
Coliform (TCR) MCL 27 2016
Lead and Copper Rule MR 7 2016
Revised Total Coliform Rule TT 6 2017
Consumer Confidence Rule Other 5 2012
E. COLI MR 4 2010
Nitrate MR 4 2020

Violation Count vs. the National Corpus

Harris County Fwsd 1A has 212 recorded EPA violations, 86% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 14% carry more. 16% of this system's own violations are health-based (33 of 212), and it ranks #11,706 of 29,740 by population served among that same cohort.

EPA violations vs. the national water-system corpus

Public water systems serving 500+ people (EPA SDWIS)

212 Higher than most more violations than 86% of 29,740 water systems

the national water-system corpus, bucketed by value

Each bar is a band; taller bars hold more water systems. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source EPA SDWIS · 2026-05-15

How many violations vs. how serious, among peer systems

Harris County Fwsd 1A plotted against 29 peer public water systems (500+ people served), by total violation count (x) and the share of those violations that are health-based (y). The crosshair sits at this sample's own median on each axis. A high violation count does not automatically mean a serious record: most monitoring and reporting violations are minor, not health-based.

Violation volume vs. health-based share

30 public water systems (500+ people served), EPA SDWIS current release. 2×2 strategic matrix plotting 30 entities by Total violations (X) and Health-based share (Y), with a crosshair dividing the plot into four quadrants. Frequent and seriousRare but seriousFrequent, mostly paperworkClean record 0200400600 0%20%40%60%80%100% Total violations Health-based share Violation volume vs. health-based share Miccosukee Service Plaza-0, 0%Brazoria - Fort Bend Counties MUD 3-0, 0%Tanglewilde Thompson Place 600-2, 0%Center Water Co-5, 0%Montgomery Co RWD 12-7, 29%Spring Mills Elem School/Hvs-9, 0%Irvin Water District #6-11, 27%Great Bend Industrial Park-14, 0%Nooksack Valley Water Association-16, 31%Glen Park Village-19, 0%Camp Is-Sho-Da-22, 0%Kipling Oaks 1-25, 16%McLouth, City Of-29, 17%Hamilton-33, 0%Pine Valley Plantation-37, 24%Lake Gibson Estates-42, 2%Ticonderoga WD-47, 26%Town of Welaka-54, 0%Township of Blairstown Dpw-61, 0%McIntosh Water & Fire Pro Authority-71, 0%Sunset Ridge Water District-82, 15%South Deerfield Water Supply District-96, 16%Clarkdale Municipal Water System-114, 0%Orange Water Dept-136, 14%Mount Pleasant Water Sys #1-167, 11%Benson Culinary Improvement District-212, 1%Eureka Water Association-273, 0%City of Ballinger-372, 85%Conemaugh Twp Muni Auth-567, 1%Harris County Fwsd 1A-212, 16%
30 public water systems (500+ people served), EPA SDWIS current release.

SDWIS compliance record for Harris County Fwsd 1A

212 violations on record for TX1010082; use EPA SDWIS to confirm return-to-compliance dates and monitoring categories.

Sources: EPA SDWIS · Texas Commission on Environmental Quality (TCEQ) - Drinking Water Watch

Nationwide peers

212 violations · 2,560 served: nearest cross-state SDWIS matches.

Cross-state systems with comparable violation load

Nearest cross-state community systems (500+ served) by total SDWIS violations on record.

4 peers

Cross-state systems near this population served

Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).

4 peers

What to do with Harris County Fwsd 1A

Use this system's EPA-reported record as a starting filter, not a final verdict.

  • See how every tracked system in Texas compares on the same EPA violation measures. Texas systems
  • Check whether PFAS was detected at this system under UCMR5 testing. PFAS guide
  • Find and compare another public water system by name or PWSID. Search systems

EPA SDWIS and UCMR5 figures are informational only, not a substitute for a certified lab test of your own tap water.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.