Drinking water quality · 2024
· Verified
What's in Grand Prairie, TX tap water
35 contaminants were measured in the Grand Prairie, TX water system's 2024 annual report. Each is shown below against its federal limit — 3 sit at or above that limit.
- Reporting year
- 2024
- Contaminants measured
- 35
- Over federal limit
- 3
- Approaching the limit
- 0
- Worst contaminant
- PFOS
- Service area
- TX
PFAS ("forever chemicals")
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| PFOSPerfluorooctanesulfonic acid, a PFAS 'forever chemical' once used in firefighting foam and coatings. | 20 ng/LAverageSystem-wide | None set | At or above the limit |
| PFOAPerfluorooctanoic acid, a PFAS 'forever chemical' once used in nonstick and stain-resistant products. | 4.5 ng/LAverageSystem-wide | None set | At or above the limit |
| Perfluorohexanesulfonic acidPerfluorohexanesulfonic acid, a PFAS 'forever chemical.' | 3.3 ng/LAverageSystem-wide | None set | Within the limit |
| Perfluorobutanesulfonic acidPerfluorobutanesulfonic acid, a shorter-chain PFAS 'forever chemical.' | 3.83 ng/LAverageSystem-wide | None set | Detected — no federal limit |
| Perfluoroheptanoic acidPerfluoroheptanoic acid, a PFAS 'forever chemical.' | 3.55 ng/LAverageSystem-wide | None set | Detected — no federal limit |
| Perfluorohexanoic acidPerfluorohexanoic acid, a shorter-chain PFAS 'forever chemical.' | 5.72 ng/LAverageSystem-wide | None set | Detected — no federal limit |
| Perfluoropentanoic acidPerfluoropentanoic acid, a shorter-chain PFAS 'forever chemical.' | 6.02 ng/LAverageSystem-wide | None set | Detected — no federal limit |
| PFBAPerfluorobutanoic acid, a shorter-chain PFAS 'forever chemical.' | 7.82 ng/LAverageSystem-wide | None set | Detected — no federal limit |
Other
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChloramineA longer-lasting disinfectant made by combining chlorine with ammonia. | 3.02 mg/LAverageSystem-wide | 4 mg/LMRDLG | Within the limit |
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chlorite | 0.679 mg/LAverageAnnual Average | 0.8 mg/LMCLG | Within the limit |
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 47 ug/LAverageAnnual Average | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 32 ug/LAverageAnnual Average | None set | Within the limit |
| BromateA disinfection byproduct formed when bromide-containing water is treated with ozone. | 3 ug/LAverageAnnual Average | 0 ug/LMCLG | Within the limit |
| BromodichloromethaneA trihalomethane disinfection byproduct. | 8.36 ug/LAverageSystem-wide | None set | Detected — no federal limit |
| BromoformA trihalomethane disinfection byproduct. | 2.84 ug/LAverageSystem-wide | None set | Detected — no federal limit |
| ChloroformA trihalomethane formed when chlorine reacts with organic matter in water. | 6.47 ug/LAverageSystem-wide | None set | Detected — no federal limit |
| DibromochloromethaneA trihalomethane disinfection byproduct. | 7.54 ug/LAverageSystem-wide | None set | Detected — no federal limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Cyanide | 118 ug/LReported levelSystem-wide | None set | Within the limit |
| NitriteA compound from fertilizer runoff, sewage, and erosion of natural deposits. | 0.374 mg/LReported levelSystem-wide | 1 mg/LMCLG | Within the limit |
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.14–0.9 mg/LRangeSystem-wide | 4 mg/LMCLG | Within the limit |
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 0.0499–1.02 mg/LRangeSystem-wide | 10 mg/LMCLG | Within the limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | 1.5 pCi/LAverageSystem-wide | 0 pCi/LMCLG | Within the limit |
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 1.6 ug/LAverageSystem-wide | 0 ug/LMCLG | Within the limit |
| Gross Beta Particle ActivityGross beta particle activity — a combined measure of beta-emitting radioactive substances. | 7.5 pCi/LAverageSystem-wide | 0 pCi/LMCLG | Detected — no federal limit |
VOCs & pesticides
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| CopperA metal that enters water from corroding household plumbing. | 0.253 mg/L90th percentileAt the tap | 1.3 mg/LAction level | Within the limit |
| MercuryA toxic metal from erosion of natural deposits and industrial runoff. | 0.252 ug/LReported levelSystem-wide | None set | Within the limit |
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 0–1.2 ug/LRangeSystem-wide | 0 ug/LMCLG | Within the limit |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 1.2 ug/L90th percentileAt the tap | None set | Within the limit |
| BariumA metal from erosion of natural deposits and industrial discharge. | 0.066 mg/LMaximumSystem-wide | 2 mg/LMCLG | Within the limit |
| LithiumA naturally occurring element found in some groundwater. | 11.7 ug/LAverageSystem-wide | None set | Detected — no federal limit |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 1.41 %MaximumSystem-wide | 0 %MCLG | Detected — no federal limit |
People also ask about Grand Prairie, TX's water
+Is Grand Prairie, TX tap water safe to drink in 2024?
The 2024 Consumer Confidence Report for the Grand Prairie, TX water utility lists 3 contaminants at or above the federal limit: PFOS, Dehp, and PFOA. Whether that means the water is "unsafe" depends on which contaminant, how long the exposure, and individual health factors. The table on this page shows the measured value, the federal threshold, and the regulated statistic used for compliance.
+What contaminants are in Grand Prairie, TX tap water?
35 contaminants were measured in Grand Prairie, TX's 2024 Consumer Confidence Report, spanning disinfection byproducts, pfas ("forever chemicals"), and metals. 14 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Which contaminants exceed federal limits in Grand Prairie, TX tap water?
3 contaminants in Grand Prairie, TX's 2024 report sit at or above the federal limit: PFOS (5.0× the limit); Dehp (1.9× the limit); PFOA (1.1× the limit). The EPA enforces these limits against the regulated reporting statistic — typically a running annual average or 90th percentile — not a one-off sample spike.
+What is the worst contaminant in Grand Prairie, TX tap water?
The contaminant with the highest measured value relative to its federal limit in the 2024 report is PFOS, at 5.0× the federal threshold. It belongs to the pfas ("forever chemicals") family of contaminants.
+Where does the data on this page come from?
Every value is transcribed from Grand Prairie, TX's 2024 Consumer Confidence Report — the annual drinking-water report every U.S. public water utility is required by federal law to publish. The original source document is archived and viewable on this site. A water-quality report covers an entire service area, not a single address.
+How often is Grand Prairie, TX's water quality data updated?
Each U.S. public water utility publishes one Consumer Confidence Report per year, covering the prior calendar year's measurements. This page reflects the 2024 report; a new report will replace it once the utility publishes its next annual update.