Tap Water Quality Report
Tap water quality in MESQUITE, Texas
Tap water in MESQUITE, Texas receives a grade of D (69/100) from TapWaterSafety.org. It's served by CITY OF MESQUITE. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Bromochloroacetic acid significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in MESQUITE's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving MESQUITE.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 26.8 ppb, 447x above the EWG health guideline of 0.06 ppb.
Bromochloroacetic acid significantly above health guideline
Moderate concernBromochloroacetic acid detected at 5.95 ppb, 298x above the EWG health guideline of 0.02 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 33.1 ppb, 221x above the EWG health guideline of 0.15 ppb.
EPA compliance record
Official U.S. EPA records for CITY OF MESQUITE (system ID TX0570014) for the last 3 years. Checked 2026-10-07.
| Rule | Type | Since | Status |
|---|---|---|---|
| Lead and Copper Rule Revisions | Missed reporting | 07/02/2025 | Resolved |
| Lead and Copper Rule | Missed testing or reporting | 01/01/2023 | Resolved |
Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.
Recommended filters for MESQUITE
Filters matched to the specific contaminants in MESQUITE's water supply.
Carbon filter certified for VOCs (NSF/ANSI 53)
$180-$599Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.
Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.
All contaminants detected in MESQUITE's tap water
Every contaminant identified, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal. 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 |
26.8 ppb | 0.06 | — | — | — | — | — | 447× over |
| Bromochloroacetic acid Disinfection byproduct |
5.95 ppb | 0.02 | — | — | — | — | — | 298× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
33.1 ppb | 0.15 | 80.0 | 100 | — | — | — | 221× over |
| Bromodichloromethane Disinfection byproduct |
11.9 ppb | 0.06 | — | — | — | — | — | 198× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
17.0 ppb | 0.1 | 60.0 | 60 | — | — | — | 170× over |
| Dibromoacetic acid Disinfection byproduct |
3.06 ppb | 0.03 | — | — | — | — | — | 102× over |
| Dibromochloromethane Disinfection byproduct |
8.1 ppb | 0.1 | — | — | — | — | — | 81× over |
| Dichloroacetic acid Disinfection byproduct |
9.02 ppb | 0.2 | — | — | — | — | — | 45× over |
| Chloroform Disinfection byproduct |
11.4 ppb | 0.4 | — | — | — | — | — | 29× over |
| Trichloroacetic acid Disinfection byproduct |
2.93 ppb | 0.1 | — | — | — | — | — | 29× over |
| Radium, combined (-226 and -228)* Radiological |
0.5 pCi/L | 0.05 | 5.0 | — | — | — | — | 10× over |
| Chromium (hexavalent) Heavy metal |
0.111 ppb | 0.02 | — | — | — | — | — | 5.6× over |
| Chlorate Disinfection byproduct |
827.5 ppb | 210.0 | — | — | — | — | — | 3.9× over |
| Bromoform Disinfection byproduct |
1.62 ppb | 0.5 | — | — | — | — | — | 3.2× over |
| Nitrate Inorganic |
0.363 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 2.6× over |
| Atrazine Pesticide/Herbicide |
0.2 ppb | 0.1 | 3.0 | 0.1 | 100 | 0.15 | — | Fails EU |
| Chlorite* Disinfection byproduct |
61.2 ppb | 50.0 | 1000.0 | — | — | — | — | 1.2× over |
| Bromate* Disinfection byproduct |
0.108 ppb | 0.1 | 10.0 | 10 | 10 | 0.1 | — | 1.1× over |
| Simazine Pesticide/Herbicide |
0.09 ppb | 0.1 | 4.0 | — | — | — | — | Below guideline |
| Barium Heavy metal |
48.0 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
1.59 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Monobromoacetic acid Disinfection byproduct |
0.408 ppb | 25.0 | — | — | — | — | — | Below guideline |
| Manganese Heavy metal |
0.772 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Vanadium Other |
0.108 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.549 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Acetone* Other |
6.8 ppb | — | — | — | — | — | — | Below guideline |
| Cyanide Inorganic |
113.5 ppb | — | 200.0 | 50 | 70 | 150 | — | Fails EU |
| Cyanogen chloride* Other |
0.7 ppb | — | — | — | — | — | — | Below guideline |
| Fluoride* Inorganic |
0.541 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Hexadecanoic acid* Other |
7.2 ppb | — | — | — | — | — | — | Below guideline |
| Methyl isobutyl ketone* Other |
0.0733 ppb | — | — | — | — | — | — | Below guideline |
| Metolachlor* Pesticide/Herbicide |
0.0333 ppb | — | — | — | — | — | — | Below guideline |
| Octadecanoic acid* Other |
21.0 ppb | — | — | — | — | — | — | 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, California OEHHA PHGs, EWG Tap Water Database.
Treatment plant contact info
For service issues, water quality concerns, or to request a Consumer Confidence Report from CITY OF MESQUITE.