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 |
|---|---|---|---|
| MCL | Health-based | Resolved | 2003-04-01 → 2003-04-30 |
| MCL | Health-based | Resolved | 2003-03-01 → 2003-03-31 |
| MCL | Health-based | Resolved | 2002-02-17 → 2006-02-16 |
| MCL | Health-based | Resolved | 1998-02-17 → 2002-02-16 |
| MCL | Health-based | Archived | 1988-07-01 → 1988-09-30 |
| MCL | Health-based | Archived | 1988-04-01 → 1988-06-30 |
| MCL | Health-based | Archived | 1988-01-01 → 1988-03-31 |
| MR | Monitoring | Archived | 2026-02-01 → 2026-02-28 |
| Other | Monitoring | Unaddressed | 2025-10-04 |
| MR | Monitoring | Resolved | 2025-08-20 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 621.5 µg/L 48% of the EPA limit 1300 µg/L
worst single sample: 710 µg/L | 34/35 | SYR4 | 2013–2019 |
| Lead | 45.6 µg/L 304% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 49 µg/L | 18/35 | SYR4 | 2013–2019 |
| Lead | 0.0110 mg/L 73% of the EPA limit 0.0150 mg/L | 17/17 | LCR | 2025 |
| TTHM | 41.225 µg/L 52% of the EPA limit 80 µg/L
worst single sample: 41.4 µg/L | 6/6 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 9.1 µg/L 15% of the EPA limit 60 µg/L
worst single sample: 9.2 µg/L | 5/6 | SYR4 | 2013–2019 |
| Nitrate | 530 µg/L 5.3% of the EPA limit 10000 µg/L | 4/16 | SYR4 | 2012–2019 |
| Combined Radium (-226 And -228) | 5.26 pCi/L 105% of the EPA limit, at the 95th percentile of samples — 5 pCi/L
worst single sample: 5.4 pCi/L | 3/3 | SYR4 | 2013–2019 |
| Lithium | 36 µg/L No EPA limit set | 2/2 | UCMR-5 | 2025 |
| Arsenic | 1.4 µg/L 14% of the EPA limit 10 µg/L | 1/1 | SYR4 | 2013 |
| Barium | 96 µg/L 4.8% of the EPA limit 2000 µg/L | 1/1 | SYR4 | 2013 |
| Bromodichloromethane | 10.9 µg/L No EPA limit set | 1/1 | SYR4 | 2019 |
| Bromoform | 7.4 µg/L No EPA limit set | 1/1 | SYR4 | 2019 |
| Chloroform | 4.1 µg/L No EPA limit set | 1/1 | SYR4 | 2019 |
| Chromium | 1.2 µg/L 1.2% of the EPA limit 100 µg/L | 1/1 | SYR4 | 2013 |
| Combined Uranium | 13 µg/L 43% of the EPA limit 30 µg/L | 1/1 | SYR4 | 2019 |
| Dibromoacetic Acid | 5.7 µg/L No EPA limit set | 1/1 | SYR4 | 2019 |
| Dibromochloromethane | 18.3 µg/L No EPA limit set | 1/1 | SYR4 | 2019 |
| Dichloroacetic Acid | 2 µg/L No EPA limit set | 1/1 | SYR4 | 2019 |
| Fluoride | 540 µg/L 14% of the EPA limit 4000 µg/L | 1/1 | SYR4 | 2013 |
| Gross Alpha, Excl. Radon And U | 9.6 pCi/L 64% of the EPA limit 15 pCi/L | 1/1 | SYR4 | 2019 |
| Trichloroacetic Acid | 1.5 µg/L No EPA limit set | 1/1 | SYR4 | 2019 |
85 contaminants tested, none detected
Utility contact
Frequently asked questions about Ponderosa Park Dwid
Is Ponderosa Park Dwid tap water safe to drink?
EPA monitoring detected 27 contaminants in Ponderosa Park Dwid'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 Ponderosa Park Dwid's water?
EPA monitoring detected Copper, Lead, Lead, TTHM, Total Haloacetic Acids (HAA5), and others. The full list with the level and data source for each is above.
How many people does Ponderosa Park Dwid serve?
Ponderosa Park Dwid reports serving 602 people in Arizona, per its EPA record.
Has Ponderosa Park Dwid had any water quality violations?
The EPA has 78 violations on file for Ponderosa Park Dwid, of which 7 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.