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Tap water quality report

Vancouver City of

EPA monitoring tested this supplier for 103 contaminants and detected 20. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

103
contaminants tested
20
detected
373,047
people served
0
health-based violations
Washington rankingsLead in WashingtonPFAS in Washington
Water source
Ground water
Ownership
Local government
Counties served
Clark

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
49
violations on file
0
still open
ViolationTypeStatusPeriod
MR Monitoring Resolved 2014-10-01 → 2014-12-31
MR Monitoring Resolved 2014-10-01 → 2014-12-31
MR Monitoring Resolved 2014-07-01 → 2014-09-30
MR Monitoring Resolved 2014-07-01 → 2014-09-30
MR Monitoring Resolved 2014-04-01 → 2014-06-30
MR Monitoring Resolved 2014-04-01 → 2014-06-30
Other Monitoring Resolved 2013-07-01
MR Monitoring Resolved 2004-10-01 → 2004-12-31
MR Monitoring Resolved 2004-10-01 → 2004-12-31
MR Monitoring Resolved 2004-10-01 → 2004-12-31

PFAS detected

PFAS are industrial “forever chemicals”. These are the EPA's latest nationwide test results (2023–2025).
ContaminantMaxDetection ratePeriod
PFHXS 0.0066 µg/L 16/20 2024
PFOS 0.0186 µg/L 16/20 2024
PFBS 0.0076 µg/L 14/20 2024
PFOA 0.0115 µg/L 10/20 2024
Pfhxa 0.0073 µg/L 8/20 2024
Pfpea 0.0074 µg/L 8/20 2024
Pfhpa 0.0030 µg/L 1/20 2024

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
Nitrate
4840 µg/L 48%
of the EPA limit 10000 µg/L
worst single sample: 5130 µg/L
374/400 SYR4 2012–2019
TTHM
9.6085 µg/L 12%
of the EPA limit 80 µg/L
worst single sample: 11.4 µg/L
90/93 SYR4 2012–2019
Chloroform
3.088 µg/L
No EPA limit set
worst single sample: 3.94 µg/L
85/108 SYR4 2012–2019
Dibromochloromethane
2.58 µg/L
No EPA limit set
worst single sample: 3.1 µg/L
85/98 SYR4 2012–2019
Bromodichloromethane
2.894 µg/L
No EPA limit set
worst single sample: 3.4 µg/L
84/99 SYR4 2012–2019
Bromoform
1.3525 µg/L
No EPA limit set
worst single sample: 1.4 µg/L
44/99 SYR4 2012–2019
Nitrate-Nitrite
4300 µg/L 43%
of the EPA limit 10000 µg/L
worst single sample: 4600 µg/L
26/33 SYR4 2012–2019
Lead
0.0022 mg/L 15%
of the EPA limit 0.0150 mg/L
 15/15 LCR 2023
Fluoride
904 µg/L 23%
of the EPA limit 4000 µg/L
worst single sample: 1000 µg/L
9/10 SYR4 2019
Total Haloacetic Acids (HAA5)
2.312 µg/L 3.9%
of the EPA limit 60 µg/L
worst single sample: 2.4 µg/L
9/83 SYR4 2012–2019
Dichloroacetic Acid
1.302 µg/L
No EPA limit set
worst single sample: 1.32 µg/L
7/87 SYR4 2012–2019
Dibromoacetic Acid
1.27 µg/L
No EPA limit set
worst single sample: 1.3 µg/L
4/87 SYR4 2012–2019
Copper
51.9 µg/L 4%
of the EPA limit 1300 µg/L
worst single sample: 52 µg/L
3/10 SYR4 2019
83 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,4,5-TP2,4-D4:2 Fts6:2 Fts8:2 Fts9Cl-PF3ONSAdonaAntimony, TotalArsenicAtrazineBhc-GammaBariumBenzeneBenzo(A)PyreneBeryllium, TotalChlorobenzeneCyanideCadmiumCarbon TetrachlorideChlordaneChromiumDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDinosebEthylene DibromideEndrinEthylbenzeneHexachlorobenzeneHfpo-DaHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoLeadMercuryMethoxychlorMonobromoacetic AcidMonochloroacetic AcidNetfosaaNfdhaNmefosaaNitritePfbaPfdaPfdoaPfeesaPfhpsPfmbaPfmpaPFNAPfpesPftaPftrdaPfunaPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroacetic AcidTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneLithiumO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
Brian Wilson

Frequently asked questions about Vancouver City of

Is Vancouver City of tap water safe to drink?

EPA monitoring detected 20 contaminants in Vancouver 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 Vancouver City of's water?

EPA monitoring detected Nitrate, TTHM, Chloroform, Dibromochloromethane, Bromodichloromethane, and others. The full list with the level and data source for each is above.

How many people does Vancouver City of serve?

Vancouver City of reports serving 373,047 people in Washington, per its EPA record.

Has Vancouver City of had any water quality violations?

The EPA has 49 violations on file for Vancouver City of, 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.