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 |
|---|---|---|---|
| TT | Health-based | Resolved | 2025-05-24 |
| TT | Health-based | Resolved | 2025-05-24 |
| TT | Health-based | Resolved | 2025-05-24 |
| Other | Monitoring | Unaddressed | 2025-07-21 |
| Other | Monitoring | Unaddressed | 2025-07-01 |
| MR | Monitoring | Resolved | 2018-04-01 → 2018-06-30 |
| MR | Monitoring | Resolved | 2018-04-01 → 2018-06-30 |
| MR | Monitoring | Resolved | 2018-04-01 → 2018-06-30 |
| MR | Monitoring | Resolved | 2018-04-01 → 2018-06-30 |
| MR | Monitoring | Resolved | 2016-10-01 |
PFAS detected
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| Pfba | 0.0119 µg/L | 2/12 | 2025 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 1050 µg/L 81% of the EPA limit 1300 µg/L
worst single sample: 1700 µg/L | 91/91 | SYR4 | 2013–2019 |
| Lead | 4.728 µg/L 32% of the EPA limit 15 µg/L
worst single sample: 10 µg/L | 37/91 | SYR4 | 2013–2019 |
| Bromodichloromethane | 22.955 µg/L No EPA limit set
worst single sample: 25.6 µg/L | 32/32 | SYR4 | 2012–2019 |
| Chloroform | 18.09 µg/L No EPA limit set
worst single sample: 18.8 µg/L | 32/32 | SYR4 | 2012–2019 |
| Dibromochloromethane | 13.94 µg/L No EPA limit set
worst single sample: 14.8 µg/L | 32/32 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 15.58 µg/L No EPA limit set
worst single sample: 16.1 µg/L | 32/32 | SYR4 | 2012–2019 |
| TTHM | 53.755 µg/L 67% of the EPA limit 80 µg/L
worst single sample: 59 µg/L | 32/32 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 27.54 µg/L 46% of the EPA limit 60 µg/L
worst single sample: 29.7 µg/L | 32/32 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 6.635 µg/L No EPA limit set
worst single sample: 6.9 µg/L | 32/32 | SYR4 | 2012–2019 |
| Bromoform | 5.0975 µg/L No EPA limit set
worst single sample: 5.5 µg/L | 22/32 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 8.19 µg/L No EPA limit set
worst single sample: 8.2 µg/L | 22/32 | SYR4 | 2012–2019 |
| Lead | 0.0019 mg/L 13% of the EPA limit 0.0150 mg/L | 19/19 | LCR | 2025 |
| Monochloroacetic Acid | 5.01 µg/L No EPA limit set
worst single sample: 5.5 µg/L | 15/32 | SYR4 | 2012–2019 |
| Monobromoacetic Acid | 4.06 µg/L No EPA limit set
worst single sample: 5.5 µg/L | 10/32 | SYR4 | 2012–2019 |
| Lithium | 26.3 µg/L No EPA limit set | 8/12 | UCMR-5 | 2024 |
28 contaminants tested, none detected
Utility contact
Frequently asked questions about North Collin Sud
Is North Collin Sud tap water safe to drink?
EPA monitoring detected 16 contaminants in North Collin Sud'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 North Collin Sud's water?
EPA monitoring detected Copper, Lead, Bromodichloromethane, Chloroform, Dibromochloromethane, and others. The full list with the level and data source for each is above.
How many people does North Collin Sud serve?
North Collin Sud reports serving 10,716 people in Texas, per its EPA record.
Has North Collin Sud had any water quality violations?
The EPA has 33 violations on file for North Collin Sud, of which 3 are health-based (a contaminant limit or required treatment was breached) and 2 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.