What was found in Quartzsite's water
The level at the city's main supplier, the highest level anywhere in the city, the EPA limit for each, and where every figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate | 570 µg/L 5.7% of the EPA limit 10000 µg/L Main supplier: QUARTZSITE TOWN OF · 2,761 people · 2019
Highest in the city: 3700 µg/L — 88 SHADES RV PARK · 488 people · 2019 | 3/4 | SYR4 |
| Nitrate-Nitrite | 2047.5 µg/L 20% of the EPA limit 10000 µg/L Highest in the city: CS Q MOUNTAIN WATER COMPANY · 1,224 people · 2013 | 1/4 | SYR4 |
| Fluoride | 1500 µg/L 38% of the EPA limit 4000 µg/L Main supplier: QUARTZSITE TOWN OF · 2,761 people · 2017 | 2/4 | SYR4 |
| Copper | 183 µg/L 14% of the EPA limit 1300 µg/L Main supplier: QUARTZSITE TOWN OF · 2,761 people · 2019
Highest in the city: 252.65 µg/L — Q MOUNTAIN VISTA MHP · 440 people · 2019 | 3/4 | SYR4 |
| Lead | 34.22 µg/L 228% of the EPA limit, at the 95th percentile of samples — 15 µg/L Highest in the city: CS Q MOUNTAIN WATER COMPANY · 1,224 people · 2017 | 2/4 | SYR4 |
| TTHM | 26.425 µg/L 33% of the EPA limit 80 µg/L Main supplier: QUARTZSITE TOWN OF · 2,761 people · 2019 | 2/4 | SYR4 |
| Barium | 22.8 µg/L 1.1% of the EPA limit 2000 µg/L Main supplier: QUARTZSITE TOWN OF · 2,761 people · 2017 | 2/4 | SYR4 |
| Bromoform | 20.375 µg/L No EPA limit set Main supplier: QUARTZSITE TOWN OF · 2,761 people · 2019 | 1/4 | SYR4 |
| Dibromochloromethane | 7.385 µg/L No EPA limit set Main supplier: QUARTZSITE TOWN OF · 2,761 people · 2019 | 1/4 | SYR4 |
| Total Haloacetic Acids (HAA5) | 2.37 µg/L 4% of the EPA limit 60 µg/L Main supplier: QUARTZSITE TOWN OF · 2,761 people · 2019
Highest in the city: 2.64 µg/L — Q MOUNTAIN VISTA MHP · 440 people · 2019 | 2/4 | SYR4 |
| Dibromoacetic Acid | 2.385 µg/L No EPA limit set Main supplier: QUARTZSITE TOWN OF · 2,761 people · 2019 | 1/4 | SYR4 |
| Arsenic | 2.14 µg/L 21% of the EPA limit 10 µg/L Main supplier: QUARTZSITE TOWN OF · 2,761 people · 2017 | 2/4 | SYR4 |
| Bromodichloromethane | 1.89 µg/L No EPA limit set Main supplier: QUARTZSITE TOWN OF · 2,761 people · 2019 | 1/4 | SYR4 |
| Chromium | 1.5 µg/L 1.5% of the EPA limit 100 µg/L Highest in the city: CS Q MOUNTAIN WATER COMPANY · 1,224 people · 2019 | 1/4 | SYR4 |
| Combined Radium (-226 And -228) | 0.8000 pCi/L 16% of the EPA limit 5 pCi/L Main supplier: QUARTZSITE TOWN OF · 2,761 people · 2017 | 1/4 | SYR4 |
| Chloroform | 0.5000 µg/L No EPA limit set Main supplier: QUARTZSITE TOWN OF · 2,761 people · 2019 | 1/4 | SYR4 |
| Lead | 0.0099 mg/L 66% of the EPA limit 0.0150 mg/L Main supplier: QUARTZSITE TOWN OF · 2,761 people · 2026 | 3/4 | LCR |
Water suppliers serving Quartzsite
| Supplier | Population served |
|---|---|
| QUARTZSITE TOWN OF | 2,761 |
| CS Q MOUNTAIN WATER COMPANY | 1,224 |
| 88 SHADES RV PARK | 488 |
| Q MOUNTAIN VISTA MHP | 440 |
Frequently asked questions about Quartzsite tap water
Is Quartzsite tap water safe to drink?
EPA testing detected 17 contaminants in the water serving Quartzsite. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.
How many water suppliers serve Quartzsite?
4 public water suppliers report drinking-water monitoring for Quartzsite, Arizona to the EPA. Each is listed above with its population served.
What contaminants are in Quartzsite's water?
The contaminants EPA monitoring detected in Quartzsite include Nitrate, Nitrate-Nitrite, Fluoride, Copper, Lead. The full list, with the level at the main supplier and the data source, is in the table above.
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.