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 | 1993-06-01 → 1993-06-30 |
| TT | Health-based | Resolved | 1993-06-01 → 1993-06-30 |
| MR | Monitoring | Resolved | 2004-08-01 |
| MR | Monitoring | Resolved | 1999-09-01 → 1999-09-30 |
| MR | Monitoring | Resolved | 1999-09-01 → 1999-09-30 |
| Other | Monitoring | Resolved | 1999-09-01 → 1999-09-30 |
| Other | Monitoring | Resolved | 1999-09-01 → 1999-09-30 |
| MR | Monitoring | Resolved | 1993-07-01 → 2003-12-31 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Total Haloacetic Acids (HAA5) | 50.125 µg/L 84% of the EPA limit 60 µg/L
worst single sample: 66.1 µg/L | 26/26 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 26.08 µg/L No EPA limit set
worst single sample: 30.4 µg/L | 25/25 | SYR4 | 2012–2019 |
| TTHM | 52.52 µg/L 66% of the EPA limit 80 µg/L
worst single sample: 65.1 µg/L | 25/25 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 23.88 µg/L No EPA limit set
worst single sample: 33.5 µg/L | 25/25 | SYR4 | 2012–2019 |
| Chloroform | 49.17 µg/L No EPA limit set
worst single sample: 62.4 µg/L | 24/24 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 22/22 | LCR | 2025 |
| Bromodichloromethane | 5.604 µg/L No EPA limit set
worst single sample: 6.54 µg/L | 19/24 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 2.392 µg/L No EPA limit set
worst single sample: 2.5 µg/L | 13/25 | SYR4 | 2012–2019 |
| Dibromochloromethane | 2.705 µg/L No EPA limit set
worst single sample: 2.74 µg/L | 6/24 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 1.0085 µg/L No EPA limit set
worst single sample: 1.03 µg/L | 2/25 | SYR4 | 2012–2019 |
| Monobromoacetic Acid | 0.8300 µg/L No EPA limit set | 1/25 | SYR4 | 2012–2019 |
25 contaminants tested, none detected
Utility contact
Frequently asked questions about Guadalupe Valley Mid
Is Guadalupe Valley Mid tap water safe to drink?
EPA monitoring detected 17 contaminants in Guadalupe Valley Mid'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 Guadalupe Valley Mid's water?
EPA monitoring detected Total Haloacetic Acids (HAA5), Dichloroacetic Acid, TTHM, Trichloroacetic Acid, Chloroform, and others. The full list with the level and data source for each is above.
How many people does Guadalupe Valley Mid serve?
Guadalupe Valley Mid reports serving 1,472 people in California, per its EPA record.
Has Guadalupe Valley Mid had any water quality violations?
The EPA has 8 violations on file for Guadalupe Valley Mid, of which 2 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.