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Tap water quality report

Mukilteo Water & Wastewater Distr

EPA monitoring tested this supplier for 41 contaminants and detected 7. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

41
contaminants tested
7
detected
31,437
people served
0
health-based violations
Washington rankingsLead in WashingtonPFAS in Washington
Water source
SWP
Ownership
Local government
Counties served
Snohomish

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.

0
health-based violations
4
violations on file
0
still open
ViolationTypeStatusPeriod
Other Monitoring Resolved 2016-07-01
Other Monitoring Resolved 2015-07-01
Other Monitoring Resolved 2014-07-01
Other Monitoring Resolved 2013-07-01

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
55.025 µg/L 69%
of the EPA limit 80 µg/L
worst single sample: 76 µg/L
128/128 SYR4 2012–2019
Total Haloacetic Acids (HAA5)
41.58 µg/L 69%
of the EPA limit 60 µg/L
worst single sample: 46.2 µg/L
127/127 SYR4 2012–2019
Chloroform
52.95 µg/L
No EPA limit set
worst single sample: 72.9 µg/L
126/126 SYR4 2012–2019
Dichloroacetic Acid
16.3 µg/L
No EPA limit set
worst single sample: 17.8 µg/L
125/125 SYR4 2012–2019
Trichloroacetic Acid
27.7 µg/L
No EPA limit set
worst single sample: 31 µg/L
121/121 SYR4 2012–2019
Bromodichloromethane
2.32 µg/L
No EPA limit set
worst single sample: 3.1 µg/L
99/99 SYR4 2012–2019
Monochloroacetic Acid
3.19 µg/L
No EPA limit set
worst single sample: 11.7 µg/L
22/123 SYR4 2012–2019
34 contaminants tested, none detected
11Cl-PF3OUdS4:2 Fts6:2 Fts8:2 Fts9Cl-PF3ONSAdonaBromoformDibromoacetic AcidDibromochloromethaneHfpo-DaMonobromoacetic AcidNetfosaaNfdhaNmefosaaPfbaPFBSPfdaPfdoaPfeesaPfhpaPfhpsPfhxaPFHXSPfmbaPfmpaPFNAPFOAPFOSPfpeaPfpesPftaPftrdaPfunaLithium

Utility contact

Contact
Rick Matthews

Frequently asked questions about Mukilteo Water & Wastewater Distr

Is Mukilteo Water & Wastewater Distr tap water safe to drink?

EPA monitoring detected 7 contaminants in Mukilteo Water & Wastewater Distr'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 Mukilteo Water & Wastewater Distr's water?

EPA monitoring detected TTHM, Total Haloacetic Acids (HAA5), Chloroform, Dichloroacetic Acid, Trichloroacetic Acid, and others. The full list with the level and data source for each is above.

How many people does Mukilteo Water & Wastewater Distr serve?

Mukilteo Water & Wastewater Distr reports serving 31,437 people in Washington, per its EPA record.

Has Mukilteo Water & Wastewater Distr had any water quality violations?

The EPA has 4 violations on file for Mukilteo Water & Wastewater Distr, of which 0 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.