What was found in Wickenburg'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 | 6600 µg/L 66% of the EPA limit 10000 µg/L Main supplier: WICKENBURG TOWN OF · 6,481 people · 2019
Highest in the city: 11000 µg/L — COUNTRY CLUB ACRES WATER INC · 431 people · 2019 | 5/5 | SYR4 |
| Nitrate-Nitrite | 6773.5 µg/L 68% of the EPA limit 10000 µg/L Main supplier: WICKENBURG TOWN OF · 6,481 people · 2019
Highest in the city: 9196 µg/L — COUNTRY CLUB ACRES WATER INC · 431 people · 2017 | 5/5 | SYR4 |
| Fluoride | 370 µg/L 9.3% of the EPA limit 4000 µg/L Main supplier: WICKENBURG TOWN OF · 6,481 people · 2018
Highest in the city: 780 µg/L — CABALLEROS WATER COMPANY · 100 people · 2017 | 5/5 | SYR4 |
| Copper | 328.5 µg/L 25% of the EPA limit 1300 µg/L Main supplier: WICKENBURG TOWN OF · 6,481 people · 2019
Highest in the city: 540 µg/L — WICKENBURG RANCH ESTATES · 2,877 people · 2019 | 5/5 | SYR4 |
| Barium | 25 µg/L 1.3% of the EPA limit 2000 µg/L Main supplier: WICKENBURG TOWN OF · 6,481 people · 2018
Highest in the city: 72 µg/L — COUNTRY CLUB ACRES WATER INC · 431 people · 2013 | 5/5 | SYR4 |
| Chromium | 3.7 µg/L 3.7% of the EPA limit 100 µg/L Main supplier: WICKENBURG TOWN OF · 6,481 people · 2018
Highest in the city: 24 µg/L — CABALLEROS WATER COMPANY · 100 people · 2017 | 5/5 | SYR4 |
| Lithium | 24 µg/L No EPA limit set Main supplier: WICKENBURG TOWN OF · 6,481 people · 2025 | 1/5 | UCMR-5 |
| TTHM | 11.7 µg/L 15% of the EPA limit 80 µg/L Main supplier: WICKENBURG TOWN OF · 6,481 people · 2019 | 3/5 | SYR4 |
| Lead | 2.9 µg/L 19% of the EPA limit 15 µg/L Main supplier: WICKENBURG TOWN OF · 6,481 people · 2019
Highest in the city: 10.26 µg/L — WICKENBURG RANCH ESTATES · 2,877 people · 2019 | 5/5 | SYR4 |
| Arsenic | 3.3 µg/L 33% of the EPA limit 10 µg/L Main supplier: WICKENBURG TOWN OF · 6,481 people · 2018
Highest in the city: 6.5 µg/L — CABALLEROS WATER COMPANY · 100 people · 2017 | 4/5 | SYR4 |
| Bromoform | 4.79 µg/L No EPA limit set Main supplier: WICKENBURG TOWN OF · 6,481 people · 2019 | 2/5 | SYR4 |
| Dibromochloromethane | 3.37 µg/L No EPA limit set Main supplier: WICKENBURG TOWN OF · 6,481 people · 2019 | 2/5 | SYR4 |
| Total Haloacetic Acids (HAA5) | 2.01 µg/L 3.4% of the EPA limit 60 µg/L Main supplier: WICKENBURG TOWN OF · 6,481 people · 2019 | 1/5 | SYR4 |
| Xylenes, Total | 1.395 µg/L 0% of the EPA limit 10000 µg/L Highest in the city: WICKENBURG RANCH ESTATES · 2,877 people · 2019 | 1/5 | SYR4 |
| Dibromoacetic Acid | 1.39 µg/L No EPA limit set Main supplier: WICKENBURG TOWN OF · 6,481 people · 2019 | 1/5 | SYR4 |
| Bromodichloromethane | 1.18 µg/L No EPA limit set Main supplier: WICKENBURG TOWN OF · 6,481 people · 2019 | 3/5 | SYR4 |
| Chloroform | 0.9000 µg/L No EPA limit set Highest in the city: COUNTRY CLUB ACRES WATER INC · 431 people · 2019 | 1/5 | SYR4 |
| Di(2-ethylhexyl) Phthalate | 0.7000 µg/L 12% of the EPA limit 6 µg/L Highest in the city: COUNTRY CLUB ACRES WATER INC · 431 people · 2019 | 1/5 | SYR4 |
| Combined Radium (-226 And -228) | 0.4000 pCi/L 8% of the EPA limit 5 pCi/L Highest in the city: CABALLEROS WATER COMPANY · 100 people · 2014 | 1/5 | SYR4 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L Main supplier: WICKENBURG TOWN OF · 6,481 people · 2025
Highest in the city: 0.0037 mg/L — CABALLEROS WATER COMPANY · 100 people · 2024 | 5/5 | LCR |
Each bar shows the measured level as a share of the EPA limit: green is
well under, amber is close to it, red is over. For lead and copper the
limit applies to exactly the 90th-percentile figure shown, so red there
means a real exceedance. For everything else the limit applies to a
running annual average while the figure is the 95th percentile of the
system's samples — over 100% is worth reading, but is not by itself a
violation.
Formal violations are listed separately.
These are the utilities' own EPA-reported results, not a city-wide
average. A detection means the lab measured the
substance — it isn't the same as exceeding a legal limit. Hover a source
tag to see the EPA program and years behind each figure.
Water suppliers serving Wickenburg
| Supplier | Population served |
|---|---|
| WICKENBURG TOWN OF | 6,481 |
| WICKENBURG RANCH ESTATES | 2,877 |
| COUNTRY CLUB ACRES WATER INC | 431 |
| CABALLEROS WATER COMPANY | 100 |
| G LAZY B MOBILE HOME PARK | 25 |
Frequently asked questions about Wickenburg tap water
Is Wickenburg tap water safe to drink?
EPA testing detected 20 contaminants in the water serving Wickenburg. 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 Wickenburg?
5 public water suppliers report drinking-water monitoring for Wickenburg, Arizona to the EPA. Each is listed above with its population served.
What contaminants are in Wickenburg's water?
The contaminants EPA monitoring detected in Wickenburg include Nitrate, Nitrate-Nitrite, Fluoride, Copper, Barium. 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.