Water Quality Report · Updated May 12, 2026
CITY OF GRAND PRAIRIE
CITY OF GRAND PRAIRIE delivers tap water graded D (61/100) by TapWaterSafety.org. The utility serves approximately 201,843 residents in GRAND PRAIRIE, Texas using surface water (purchased). The most significant water quality concerns are: PFAS contamination; Haloacetic acids (HAA9) significantly above health guideline; Bromochloroacetic acid significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline. For questions, the utility can be reached at 972-237-8035.
Is GRAND PRAIRIE tap water safe to drink?
CITY OF GRAND PRAIRIE delivers tap water that earns a grade of D (61/100) from TapWaterSafety.org — a below-average rating, with multiple concerns including pfas contamination.
The utility serves 201,843 residents in GRAND PRAIRIE, drawing from surface water (purchased).
Public testing data identifies 17 contaminants in this water above EWG's health-based guidelines, including: Haloacetic acids (HAA9), Bromochloroacetic acid, Total trihalomethanes (TTHMs), Bromodichloromethane, Haloacetic acids (HAA5), Dibromoacetic acid, Dibromochloromethane, Radium, combined (-226 and -228), Dichloroacetic acid, Chloroform, Chromium (hexavalent), Trichloroacetic acid, Bromoform, Nitrate and nitrite, Nitrate, Perfluorooctane sulfonate (PFOS), Bromochloromethane. For most residents, a properly certified home filter at the kitchen tap is the most cost-effective way to reduce exposure to whatever's in your water. See our filter recommendations below, matched specifically to this utility's contaminant profile.
Quick actions for GRAND PRAIRIE residents
Top concerns in this water
Based on the most recent EPA and EWG data, these are the most significant water quality issues for CITY OF GRAND PRAIRIE.
PFAS contamination
Severe concernPerfluorooctane sulfonate (PFOS) detected. PFAS are persistent chemicals linked to cancer and immune effects with no known safe exposure threshold.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 17.9 ppb, 299x above the EWG health guideline of 0.06 ppb.
Bromochloroacetic acid significantly above health guideline
Moderate concernBromochloroacetic acid detected at 4.24 ppb, 212x above the EWG health guideline of 0.02 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 21.3 ppb, 142x above the EWG health guideline of 0.15 ppb.
Contact CITY OF GRAND PRAIRIE
Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.
General Contact
Treatment Plant
Recommended water filters for GRAND PRAIRIE
Filters matched to the specific contaminants in this water supply.
Reverse Osmosis or NSF P473 certified carbon
$80-$750Activated carbon and RO are the only technologies proven to remove PFAS at certified levels.
Carbon block (NSF/ANSI 42 + 53)
$40-$750Activated carbon is highly effective for disinfection byproducts like TTHM and HAA5.
Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.
Score breakdown
This utility's overall score of 61/100 breaks down across five weighted components. Read the full methodology →
Contaminants detected — international standards comparison
Every contaminant detected, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal (the strictest US benchmark). Why we show multiple standards →
| Contaminant | Detected | EWG US health-based |
EPA US legal |
EU DWD Europe |
WHO global |
CA PHG strictest US |
Tested sample year |
Status |
|---|---|---|---|---|---|---|---|---|
| Haloacetic acids (HAA9) Disinfection byproduct |
17.9 ppb | 0.06 | — | — | — | — | — | 299× over |
| Bromochloroacetic acid Disinfection byproduct |
4.24 ppb | 0.02 | — | — | — | — | — | 212× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
21.3 ppb | 0.15 | 80.0 | 100 | — | — | — | 142× over |
| Bromodichloromethane Disinfection byproduct |
6.67 ppb | 0.06 | — | — | — | — | — | 111× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
10.5 ppb | 0.1 | 60.0 | 60 | — | — | — | 105× over |
| Dibromoacetic acid Disinfection byproduct |
2.88 ppb | 0.03 | — | — | — | — | — | 96× over |
| Dibromochloromethane Disinfection byproduct |
6.4 ppb | 0.1 | — | — | — | — | — | 64× over |
| Radium, combined (-226 and -228) Radiological |
1.5 pCi/L | 0.05 | 5.0 | — | — | — | — | 30× over |
| Dichloroacetic acid Disinfection byproduct |
5.65 ppb | 0.2 | — | — | — | — | — | 28× over |
| Chloroform Disinfection byproduct |
5.69 ppb | 0.4 | — | — | — | — | — | 14× over |
| Chromium (hexavalent) Heavy metal |
0.179 ppb | 0.02 | — | — | — | — | — | 9.0× over |
| Trichloroacetic acid Disinfection byproduct |
0.659 ppb | 0.1 | — | — | — | — | — | 6.6× over |
| Bromoform Disinfection byproduct |
2.51 ppb | 0.5 | — | — | — | — | — | 5.0× over |
| Nitrate and nitrite Inorganic |
0.68 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 4.9× over |
| Nitrate Inorganic |
0.52 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 3.7× over |
| Perfluorooctane sulfonate (PFOS) PFAS |
0.82 ppt | 0.3 | 4.0 | 100 | 100 | 1 | — | 2.7× over |
| Bromochloromethane Other |
0.0842 ppb | 0.06 | — | — | — | — | — | 1.4× over |
| Chlorate Disinfection byproduct |
167.1 ppb | 210.0 | — | — | — | — | — | Below guideline |
| Molybdenum Other |
1.54 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Monobromoacetic acid Disinfection byproduct |
0.441 ppb | 25.0 | — | — | — | — | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
0.896 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Manganese Heavy metal |
1.5 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Vanadium Other |
0.191 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Perfluorobutanoic Acid (PFBA) PFAS |
7.02 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Perfluoropentanoic Acid (PFPeA) PFAS |
4.42 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Perfluorohexanoic Acid (PFHxA) PFAS |
4.02 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Perfluorobutane sulfonate (PFBS) PFAS |
2.22 ppt | 2000.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.38 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| 4-Androstene-3,17-dione Other |
0.286 ppt | — | — | — | — | — | — | Below guideline |
| Germanium Other |
0.025 ppb | — | — | — | — | — | — | Below guideline |
| Nitrite Inorganic |
0.41 ppm | — | 1.0 | — | — | — | — | Below guideline |
All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.
Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines (4th ed.), California OEHHA PHGs, EWG Tap Water Database.
CITY OF GRAND PRAIRIE service area
This water system serves 1 community in Dallas County, Texas. Click any city for its dedicated tap water quality page.
Find the right filter for GRAND PRAIRIE water
Browse filter categories by water-quality concern. Each option below is NSF-certified for the matched contaminant type.