What was found in ZIP 75032
The level at this ZIP's main supplier, the highest level anywhere in it, the EPA limit for each, and where the figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Copper | 696 µg/L 54% of the EPA limit 1300 µg/L Main supplier: CITY OF ROCKWALL · 55,250 people · 2017
Highest in the ZIP: 1055 µg/L — R C H WSC · 7,863 people · 2018 | 5/5 | SYR4 |
| TTHM | 55.8 µg/L 70% of the EPA limit 80 µg/L Main supplier: CITY OF ROCKWALL · 55,250 people · 2019 | 5/5 | SYR4 |
| Total Haloacetic Acids (HAA5) | 29.8 µg/L 50% of the EPA limit 60 µg/L Main supplier: CITY OF ROCKWALL · 55,250 people · 2019
Highest in the ZIP: 41.3 µg/L — HIGH POINT SUD · 16,341 people · 2019 | 5/5 | SYR4 |
| Chloroform | 16.6 µg/L No EPA limit set Main supplier: CITY OF ROCKWALL · 55,250 people · 2019
Highest in the ZIP: 28.055 µg/L — HIGH POINT SUD · 16,341 people · 2019 | 5/5 | SYR4 |
| Dichloroacetic Acid | 17.2 µg/L No EPA limit set Main supplier: CITY OF ROCKWALL · 55,250 people · 2019
Highest in the ZIP: 22.84 µg/L — HIGH POINT SUD · 16,341 people · 2019 | 5/5 | SYR4 |
| Bromodichloromethane | 20.2 µg/L No EPA limit set Main supplier: CITY OF ROCKWALL · 55,250 people · 2019
Highest in the ZIP: 20.765 µg/L — CITY OF HEATH · 10,464 people · 2019 | 5/5 | SYR4 |
| Monochloroacetic Acid | 5.26 µg/L No EPA limit set Main supplier: CITY OF ROCKWALL · 55,250 people · 2019
Highest in the ZIP: 15.7 µg/L — CITY OF HEATH · 10,464 people · 2019 | 5/5 | SYR4 |
| Dibromochloromethane | 15.4 µg/L No EPA limit set Main supplier: CITY OF ROCKWALL · 55,250 people · 2019 | 5/5 | SYR4 |
| Lead | 5.625 µg/L 38% of the EPA limit 15 µg/L Main supplier: CITY OF ROCKWALL · 55,250 people · 2017
Highest in the ZIP: 15.28 µg/L — CITY OF HEATH · 10,464 people · 2019 | 5/5 | SYR4 |
| Dibromoacetic Acid | 7.74 µg/L No EPA limit set Main supplier: CITY OF ROCKWALL · 55,250 people · 2019
Highest in the ZIP: 9.86 µg/L — BLACKLAND WSC · 6,171 people · 2019 | 5/5 | SYR4 |
| Trichloroacetic Acid | 5.4 µg/L No EPA limit set Main supplier: CITY OF ROCKWALL · 55,250 people · 2019
Highest in the ZIP: 8.155 µg/L — HIGH POINT SUD · 16,341 people · 2019 | 5/5 | SYR4 |
| Bromoform | 5.7 µg/L No EPA limit set Main supplier: CITY OF ROCKWALL · 55,250 people · 2019
Highest in the ZIP: 7.11 µg/L — CITY OF HEATH · 10,464 people · 2019 | 5/5 | SYR4 |
| Monobromoacetic Acid | 4.74 µg/L No EPA limit set Main supplier: CITY OF ROCKWALL · 55,250 people · 2019 | 5/5 | SYR4 |
| Pfba | 0.0096 µg/L No EPA limit set Main supplier: CITY OF ROCKWALL · 55,250 people · 2025
Highest in the ZIP: 0.0102 µg/L — BLACKLAND WSC · 6,171 people · 2024 | 4/5 | UCMR-5 |
| 6:2 Fts | 0.0088 µg/L No EPA limit set Highest in the ZIP: CITY OF HEATH · 10,464 people · 2023 | 1/5 | UCMR-5 |
| Pfpea | 0.0070 µg/L No EPA limit set Main supplier: CITY OF ROCKWALL · 55,250 people · 2025
Highest in the ZIP: 0.0075 µg/L — R C H WSC · 7,863 people · 2024 | 4/5 | UCMR-5 |
| Pfhxa | 0.0063 µg/L No EPA limit set Main supplier: CITY OF ROCKWALL · 55,250 people · 2025
Highest in the ZIP: 0.0067 µg/L — R C H WSC · 7,863 people · 2024 | 4/5 | UCMR-5 |
| PFBS | 0.0044 µg/L No EPA limit set Main supplier: CITY OF ROCKWALL · 55,250 people · 2025
Highest in the ZIP: 0.0049 µg/L — R C H WSC · 7,863 people · 2024 | 4/5 | UCMR-5 |
| PFHXS | 0.0030 µg/L No EPA limit set Highest in the ZIP: HIGH POINT SUD · 16,341 people · 2024 | 1/5 | UCMR-5 |
| Lead | 0.0022 mg/L 15% of the EPA limit 0.0150 mg/L Main supplier: CITY OF ROCKWALL · 55,250 people · 2025 | 5/5 | LCR |
Each bar shows the measured level as a share of the EPA limit: green is
well under, amber is close to it, red is over. For lead and copper the
limit applies to exactly the 90th-percentile figure shown, so red there
means a real exceedance. For everything else the limit applies to a
running annual average while the figure is the 95th percentile of the
system's samples — over 100% is worth reading, but is not by itself a
violation.
Formal violations are listed separately.
Water suppliers serving ZIP 75032
| Supplier | State | Population served |
|---|---|---|
| CITY OF ROCKWALL | TX | 55,250 |
| HIGH POINT SUD | TX | 16,341 |
| CITY OF HEATH | TX | 10,464 |
| R C H WSC | TX | 7,863 |
| BLACKLAND WSC | TX | 6,171 |
Frequently asked questions about ZIP 75032 tap water
Is the tap water in ZIP 75032 safe to drink?
EPA testing detected 20 contaminants across the water suppliers serving ZIP 75032. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and your utility's annual Consumer Confidence Report for the official status.
Which water suppliers serve ZIP 75032?
5 public water suppliers report EPA drinking-water monitoring for ZIP 75032. Each is listed above with its population served.
What contaminants are in ZIP 75032's water?
EPA monitoring detected Copper, TTHM, Total Haloacetic Acids (HAA5), Chloroform, Dichloroacetic Acid, and others across this ZIP's suppliers. The full list with levels and sources is above.