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Tap water quality report

Lake Havasu City of

EPA monitoring tested this supplier for 103 contaminants and detected 17. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

103
contaminants tested
17
detected
54,610
people served
3
health-based violations
Arizona rankingsLead in ArizonaPFAS in Arizona
Water source
Ground water
Ownership
Local government
Counties served
Mohave

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.

3
health-based violations
309
violations on file
0
still open
ViolationTypeStatusPeriod
MCL Health-based Resolved 2014-10-01 → 2014-12-31
MCL Health-based Resolved 2014-07-01 → 2014-09-30
MCL Health-based Resolved 1998-09-01 → 1998-09-30
MR Monitoring Resolved 2025-10-01 → 2025-12-31
MR Monitoring Resolved 2025-10-01 → 2025-12-31
MR Monitoring Resolved 2025-10-01 → 2025-12-31
MR Monitoring Resolved 2025-10-01 → 2025-12-31
MR Monitoring Resolved 2024-03-01 → 2024-03-31
MR Monitoring Resolved 2024-03-01 → 2024-03-31
RPT Monitoring Resolved 2021-06-01

PFAS detected

PFAS are industrial “forever chemicals”. These are the EPA's latest nationwide test results (2023–2025).
ContaminantMaxDetection ratePeriod
PFBS 0.0030 µg/L 1/2 2025

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
TTHM
84.7 µg/L 106%
of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 96 µg/L
114/114 SYR4 2012–2019
Total Haloacetic Acids (HAA5)
17 µg/L 28%
of the EPA limit 60 µg/L
worst single sample: 20 µg/L
114/114 SYR4 2012–2019
Copper
542.5 µg/L 42%
of the EPA limit 1300 µg/L
worst single sample: 1400 µg/L
60/60 SYR4 2014–2017
Lead
10.45 µg/L 70%
of the EPA limit 15 µg/L
worst single sample: 220 µg/L
51/60 SYR4 2014–2017
Arsenic
6.75 µg/L 68%
of the EPA limit 10 µg/L
worst single sample: 8.9 µg/L
35/35 SYR4 2012–2019
Nitrate
1100 µg/L 11%
of the EPA limit 10000 µg/L
 14/14 SYR4 2012–2018
Lead
0.0031 mg/L 21%
of the EPA limit 0.0150 mg/L
 12/12 LCR 2023
Barium
46 µg/L 2.3%
of the EPA limit 2000 µg/L
 2/2 SYR4 2014–2017
Chromium
3.17 µg/L 3.2%
of the EPA limit 100 µg/L
worst single sample: 3.2 µg/L
2/2 SYR4 2014–2017
Fluoride
597 µg/L 15%
of the EPA limit 4000 µg/L
worst single sample: 600 µg/L
2/2 SYR4 2014–2017
Lithium
100 µg/L
No EPA limit set
 2/2 UCMR-5 2025
Combined Radium (-226 And -228)
0.4000 pCi/L 8%
of the EPA limit 5 pCi/L
 1/1 SYR4 2014
Combined Uranium
6.8 µg/L 23%
of the EPA limit 30 µg/L
 1/1 SYR4 2014
Gross Alpha, Excl. Radon And U
0.6000 pCi/L 4%
of the EPA limit 15 pCi/L
 1/1 SYR4 2014
Nitrate-Nitrite
1100 µg/L 11%
of the EPA limit 10000 µg/L
 1/1 SYR4 2014
Selenium
1.7 µg/L 3.4%
of the EPA limit 50 µg/L
 1/2 SYR4 2014–2017
86 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, TotalChlorobenzeneCyanideCadmiumCarbofuranCarbon TetrachlorideChlordaneDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDinosebDiquatEthylene DibromideEndothallEndrinEthylbenzeneGlyphosateHexachlorobenzeneHfpo-DaHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorNetfosaaNfdhaNmefosaaNitriteOxamylPfbaPfdaPfdoaPfeesaPfhpaPfhpsPfhxaPFHXSPfmbaPfmpaPFNAPFOAPFOSPfpeaPfpesPftaPftrdaPfunaPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
KEMPF, DYLAN
Phone
928-490-1371
Email
[email protected]

Frequently asked questions about Lake Havasu City of

Is Lake Havasu City of tap water safe to drink?

EPA monitoring detected 17 contaminants in Lake Havasu City of'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 Lake Havasu City of's water?

EPA monitoring detected TTHM, Total Haloacetic Acids (HAA5), Copper, Lead, Arsenic, and others. The full list with the level and data source for each is above.

How many people does Lake Havasu City of serve?

Lake Havasu City of reports serving 54,610 people in Arizona, per its EPA record.

Has Lake Havasu City of had any water quality violations?

The EPA has 309 violations on file for Lake Havasu City of, of which 3 are 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.