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 | 1999-02-01 → 1999-02-28 |
| MR | Monitoring | Resolved | 2022-07-01 → 2022-09-30 |
| MR | Monitoring | Resolved | 2021-07-01 → 2021-09-30 |
| MR | Monitoring | Resolved | 2021-07-01 → 2021-09-30 |
| MR | Monitoring | Resolved | 2021-01-01 → 2021-03-31 |
| MR | Monitoring | Resolved | 2021-01-01 → 2021-03-31 |
| MR | Monitoring | Resolved | 2019-10-01 → 2019-12-31 |
| MR | Monitoring | Resolved | 2019-10-01 → 2019-12-31 |
| MR | Monitoring | Resolved | 2019-04-01 → 2019-06-30 |
| MR | Monitoring | Resolved | 2019-04-01 → 2019-06-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Arsenic | 8.705 µg/L 87% of the EPA limit 10 µg/L
worst single sample: 11.6 µg/L | 120/120 | SYR4 | 2012–2019 |
| Copper | 126 µg/L 9.7% of the EPA limit 1300 µg/L
worst single sample: 310 µg/L | 89/90 | SYR4 | 2012–2018 |
| Nitrate | 2460 µg/L 25% of the EPA limit 10000 µg/L
worst single sample: 2790 µg/L | 56/56 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 2442.5 µg/L 24% of the EPA limit 10000 µg/L
worst single sample: 2790 µg/L | 28/28 | SYR4 | 2012–2019 |
| TTHM | 9.605 µg/L 12% of the EPA limit 80 µg/L
worst single sample: 9.7 µg/L | 20/20 | SYR4 | 2012–2019 |
| Fluoride | 1725 µg/L 43% of the EPA limit 4000 µg/L
worst single sample: 1800 µg/L | 16/16 | SYR4 | 2013–2019 |
| Lead | 4.57 µg/L 30% of the EPA limit 15 µg/L
worst single sample: 6 µg/L | 14/90 | SYR4 | 2012–2018 |
| Selenium | 4.9 µg/L 9.8% of the EPA limit 50 µg/L | 14/16 | SYR4 | 2013–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 11/11 | LCR | 2024 |
| Lithium | 166 µg/L No EPA limit set | 8/8 | UCMR-5 | 2024 |
| Barium | 20 µg/L 1% of the EPA limit 2000 µg/L | 6/16 | SYR4 | 2013–2019 |
| Di(2-ethylhexyl) Phthalate | 1.92 µg/L 32% of the EPA limit 6 µg/L
worst single sample: 2 µg/L | 5/21 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 2.385 µg/L 4% of the EPA limit 60 µg/L
worst single sample: 2.4 µg/L | 4/18 | SYR4 | 2012–2019 |
| Bromodichloromethane | 0.8850 µg/L No EPA limit set
worst single sample: 0.9000 µg/L | 2/2 | SYR4 | 2019 |
| Bromoform | 1.855 µg/L No EPA limit set
worst single sample: 1.9 µg/L | 2/2 | SYR4 | 2019 |
| Combined Radium (-226 And -228) | 0.4950 pCi/L 9.9% of the EPA limit 5 pCi/L
worst single sample: 0.5000 pCi/L | 2/5 | SYR4 | 2013–2016 |
| Dibromochloromethane | 1.765 µg/L No EPA limit set
worst single sample: 1.8 µg/L | 2/2 | SYR4 | 2019 |
| Xylenes, Total | 0.7000 µg/L 0% of the EPA limit 10000 µg/L | 1/16 | SYR4 | 2012–2019 |
93 contaminants tested, none detected
Utility contact
Frequently asked questions about Community Wc of Green Valley
Is Community Wc of Green Valley tap water safe to drink?
EPA monitoring detected 18 contaminants in Community Wc of Green Valley'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 Community Wc of Green Valley's water?
EPA monitoring detected Arsenic, Copper, Nitrate, Nitrate-Nitrite, TTHM, and others. The full list with the level and data source for each is above.
How many people does Community Wc of Green Valley serve?
Community Wc of Green Valley reports serving 22,085 people in Arizona, per its EPA record.
Has Community Wc of Green Valley had any water quality violations?
The EPA has 253 violations on file for Community Wc of Green Valley, of which 1 is 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.