Drinking water quality · 2024
· Verified
· PWSID TX1650077
What's in Midland, TX tap water
2 contaminants in Midland, TX's water sat at or above a federal limit, led by Arsenic at 1.3x the limit.
- !2 contaminants at or above a federal limit — worst is Arsenic at 1.3x
- !1 open health-based violation on the federal record
- !1 contaminant within 20% of a limit
- !12 of 27 core regulated contaminants reported — 15 never appear in this report
+How this score is calculated
Every system starts at 100. Points come off for measured levels, for the federal violation record, and for how much of the core regulated set the utility actually reported. All three inputs are the utility's own published numbers and EPA's own records.
- −32 contaminants at or above a federal limit
- −4 contaminants within 20% of a limit
- −15 open health-based violations
- −9 open monitoring / reporting violations
- −6 health-based violations resolved in the last 5 years
- −11 core regulated contaminants never reported (12/27)
A 90–100 · B 80–89 · C 70–79 · D 60–69 · F below 60. A system reporting under a third of the core set is capped at C however clean its numbers look — a short report is not a clean bill of health.
Full grading methodology, constant for constant →What to worry about
- Arsenic1.3× the federal limit0–13 ug/L · limit 10 ug/L
A known human carcinogen; long-term exposure is linked to skin, bladder, and lung cancer.
higher than 95% of U.S. systems
- TTHM1.2× the federal limit0–97 ug/L · limit 80 ug/L
Long-term exposure above the federal limit is linked to liver, kidney, and central-nervous-system effects and increased cancer risk.
higher than 95% of U.S. systems
- Perfluorohexanesulfonic acid91% of the federal limit9.1 ng/L · limit 10 ng/L
Regulated by the EPA at 10 parts per trillion and included in the PFAS Hazard Index.
higher than 75% of U.S. systems
+15 contaminants were measured and came in below the limitShow all
| Contaminant | Measured | Federal limit |
|---|---|---|
| Cyanide | 146 ug/L | 200 ug/L |
| Chloramine | 2.59 mg/L | 4 mg/L |
| HAA5 | 0–26.8 ug/L | 60 ug/L |
| Radium 226 228 | 1.5 pCi/L | 5 pCi/L |
| Copper | 0.2611 mg/L | 1.3 mg/L |
| Nitrate | 0.211–1.35 mg/L | 10 mg/L |
| Lead | 1.5 ug/L | 15 ug/L |
| Barium | 0.16 mg/L | 2 mg/L |
| Fluoride | 0.3 mg/L | 4 mg/L |
| Uranium | 1.4 ug/L | 30 ug/L |
| Lithium | 50.7 ug/L | — |
| Perfluorobutanesulfonic acid | 4.2 ng/L | — |
| Perfluorohexanoic acid | 1 ng/L | — |
| PFBA | 15 ng/L | — |
| Gross Beta Particle Activity | 12.6 pCi/L | 0 pCi/L |
What this report doesn't tell you
15 of the 27 contaminants a community water system normally reports do not appear anywhere in Midland, TX's data. Absent is not the same as absent-from-the-water — it means nobody published a number.
+Full detail: PFAS testing, water source, historical monitoring, and the federal violation record
Where your water comes from · EPA SDWIS
Midland, TX's drinking water comes from ground water, drawn from 2 sources.
Source
- 1 - S OF PLANT
- 2 - E OF
Treatment
- PLANT - CR 1192 S / CR 117 W
Distribution
Compliance history
Federal Safe Drinking Water Act violation & enforcement records (EPA SDWIS). A violation is a regulatory determination by the state or EPA — separate from the measured levels above.
- Maximum contaminant level exceededHealth-based102 violations on record · most recent Oct 2025resolved
- Treatment technique violationHealth-based1 violation on record · most recent Oct 20241 open
- Monitoring & reporting23 violations on record · most recent Jul 202523 open
- Other3 violations on record · most recent Nov 20253 open
- Reporting1 violation on record · most recent Oct 20241 open
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗