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Tap water quality report

Big Park Water Company

EPA monitoring tested this supplier for 104 contaminants and detected 22. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

104
contaminants tested
22
detected
7,392
people served
265
health-based violations
Arizona rankingsLead in ArizonaPFAS in Arizona
Water source
Ground water
Ownership
Private
Counties served
Yavapai

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.

265
health-based violations
2,092
violations on file
3
still open
ViolationTypeStatusPeriod
TT Health-based Unaddressed 2025-11-09
TT Health-based Unaddressed 2025-11-09
MCL Health-based Resolved 2024-10-01 → 2024-12-31
MCL Health-based Resolved 2024-10-01 → 2024-12-31
MCL Health-based Resolved 2024-10-01 → 2024-12-31
MCL Health-based Resolved 2024-10-01 → 2024-12-31
MCL Health-based Resolved 2024-10-01 → 2024-12-31
MCL Health-based Resolved 2024-07-01 → 2024-09-30
MCL Health-based Resolved 2024-07-01 → 2024-09-30
MCL Health-based Resolved 2024-07-01 → 2024-09-30

PFAS detected

PFAS are industrial “forever chemicals”. These are the EPA's latest nationwide test results (2023–2025).
ContaminantMaxDetection ratePeriod
PFBS 0.0280 µg/L 2/10 2023
Pfhxa 0.0046 µg/L 2/10 2023
Pfhpa 0.0040 µg/L 1/10 2023
PFHXS 0.0033 µg/L 1/10 2023
PFOA 0.0210 µg/L 1/10 2023
PFOS 0.0041 µg/L 1/10 2023
Pfpea 0.0046 µg/L 1/10 2023

Other contaminants detected

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 this system's samples — over 100% is worth reading, but is not by itself a violation. Where a single sample came in higher than that percentile, it is noted under the bar. Formal violations are listed separately.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
Arsenic
12.285 µg/L 123%
of the EPA limit, at the 95th percentile of samples — 10 µg/L
worst single sample: 21.9 µg/L
182/197 SYR4 2012–2019
Nitrate
1625 µg/L 16%
of the EPA limit 10000 µg/L
worst single sample: 1700 µg/L
76/80 SYR4 2012–2019
Copper
220.5 µg/L 17%
of the EPA limit 1300 µg/L
worst single sample: 340 µg/L
60/60 SYR4 2012–2018
Tetrachloroethylene
2.4 µg/L 48%
of the EPA limit 5 µg/L
worst single sample: 3 µg/L
21/36 SYR4 2012–2019
Lead
5.675 µg/L 38%
of the EPA limit 15 µg/L
worst single sample: 11 µg/L
16/60 SYR4 2012–2018
Lead
0.0 mg/L 0%
of the EPA limit 0.0150 mg/L
 11/11 LCR 2024
Barium
135.5 µg/L 6.8%
of the EPA limit 2000 µg/L
worst single sample: 140 µg/L
10/10 SYR4 2012–2018
Fluoride
150 µg/L 3.8%
of the EPA limit 4000 µg/L
 10/10 SYR4 2012–2018
Lithium
28 µg/L
No EPA limit set
 10/10 UCMR-5 2023
Chromium
3.42 µg/L 3.4%
of the EPA limit 100 µg/L
worst single sample: 3.5 µg/L
9/10 SYR4 2012–2018
Di(2-ethylhexyl) Phthalate
0.6600 µg/L 11%
of the EPA limit 6 µg/L
 4/20 SYR4 2015–2018
Nitrate-Nitrite
1551.5 µg/L 16%
of the EPA limit 10000 µg/L
worst single sample: 1700 µg/L
4/5 SYR4 2012
Ethylbenzene
9.78 µg/L 1.4%
of the EPA limit 700 µg/L
worst single sample: 9.9 µg/L
2/36 SYR4 2012–2019
Xylenes, Total
52.65 µg/L 0.5%
of the EPA limit 10000 µg/L
worst single sample: 53 µg/L
2/36 SYR4 2012–2019
Styrene
0.8100 µg/L 0.8%
of the EPA limit 100 µg/L
 1/36 SYR4 2012–2019
82 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,3,7,8-TCDD2,4,5-TP2,4-D4:2 Fts6:2 Fts8:2 Fts9Cl-PF3ONSAdonaAntimony, TotalAsbestosAtrazineBhc-GammaBenzeneBenzo(A)PyreneBeryllium, TotalBromodichloromethaneBromoformChlorobenzeneCyanideCadmiumCarbofuranCarbon TetrachlorideChlordaneChloroformCombined Radium (-226 And -228)DichloromethaneDalaponDi(2-ethylhexyl) AdipateDibromochloromethaneDinosebDiquatEthylene DibromideEndothallEndrinGlyphosateHexachlorobenzeneHfpo-DaHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorNetfosaaNfdhaNmefosaaNitriteOxamylPfbaPfdaPfdoaPfeesaPfhpsPfmbaPfmpaPFNAPfpesPftaPftrdaPfunaPentachlorophenolPicloramSeleniumSimazineTTHMThallium, TotalTolueneToxapheneTrichloroethyleneVinyl Chloridecis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
TALKINGTON, DOTTIE
Phone
928-284-2298
Email
[email protected]

Frequently asked questions about Big Park Water Company

Is Big Park Water Company tap water safe to drink?

EPA monitoring detected 22 contaminants in Big Park Water Company'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 Big Park Water Company's water?

EPA monitoring detected Arsenic, Nitrate, Copper, Tetrachloroethylene, Lead, and others. The full list with the level and data source for each is above.

How many people does Big Park Water Company serve?

Big Park Water Company reports serving 7,392 people in Arizona, per its EPA record.

Has Big Park Water Company had any water quality violations?

The EPA has 2092 violations on file for Big Park Water Company, of which 265 are health-based (a contaminant limit or required treatment was breached) and 3 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.