Compliance record
Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.
| Violation | Type | Status | Period |
|---|---|---|---|
| MR | Monitoring | Resolved | 2020-12-30 |
| MR | Monitoring | Resolved | 2020-12-30 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 22.45 µg/L No EPA limit set
worst single sample: 34.2 µg/L | 211/211 | SYR4 | 2012–2019 |
| Chloroform | 20.65 µg/L No EPA limit set
worst single sample: 29.8 µg/L | 211/211 | SYR4 | 2012–2019 |
| Dibromochloromethane | 14.15 µg/L No EPA limit set
worst single sample: 19.2 µg/L | 211/211 | SYR4 | 2012–2019 |
| TTHM | 53.4 µg/L 67% of the EPA limit 80 µg/L
worst single sample: 67.7 µg/L | 211/211 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 33.85 µg/L 56% of the EPA limit 60 µg/L
worst single sample: 48.7 µg/L | 211/211 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 7.25 µg/L No EPA limit set
worst single sample: 9.8 µg/L | 211/211 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 20.795 µg/L No EPA limit set
worst single sample: 32 µg/L | 204/211 | SYR4 | 2012–2019 |
| Bromoform | 5.5 µg/L No EPA limit set
worst single sample: 6 µg/L | 151/211 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 8.275 µg/L No EPA limit set
worst single sample: 11.2 µg/L | 146/211 | SYR4 | 2012–2019 |
| Copper | 785.27 µg/L 60% of the EPA limit 1300 µg/L
worst single sample: 898 µg/L | 140/140 | SYR4 | 2012–2017 |
| Monobromoacetic Acid | 5.235 µg/L No EPA limit set
worst single sample: 7.5 µg/L | 134/211 | SYR4 | 2012–2019 |
| Lead | 4.056 µg/L 27% of the EPA limit 15 µg/L
worst single sample: 45.89 µg/L | 117/140 | SYR4 | 2012–2017 |
| Monochloroacetic Acid | 9.7 µg/L No EPA limit set
worst single sample: 10.5 µg/L | 80/211 | SYR4 | 2012–2019 |
| Lead | 0.0024 mg/L 16% of the EPA limit 0.0150 mg/L | 19/19 | LCR | 2025 |
26 contaminants tested, none detected
Utility contact
Frequently asked questions about City of Richardson
Is City of Richardson tap water safe to drink?
EPA monitoring detected 18 contaminants in City of Richardson's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.
What contaminants were detected in City of Richardson's water?
EPA monitoring detected Bromodichloromethane, Chloroform, Dibromochloromethane, TTHM, Total Haloacetic Acids (HAA5), and others. The full list with the level and data source for each is above.
How many people does City of Richardson serve?
City of Richardson reports serving 122,615 people in Texas, per its EPA record.
Has City of Richardson had any water quality violations?
The EPA has 2 violations on file for City of Richardson, of which 0 are health-based (a contaminant limit or required treatment was breached) and 0 remain open. The rest are monitoring or reporting failures.
Where does this data come from?
Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.