Tap WaterIndex

← Washington

Tap water quality report

Green Island Hills Water Assn

EPA monitoring tested this supplier for 58 contaminants and detected 15. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

58
contaminants tested
15
detected
265
people served
0
health-based violations
Washington rankingsLead in WashingtonPFAS in Washington
Water source
Ground water
Ownership
Private
Counties served
Island

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
490
violations on file
0
still open
ViolationTypeStatusPeriod
Other Monitoring Resolved 2017-07-01
Other Monitoring Resolved 2013-07-01
MR Monitoring Resolved 2007-04-01 → 2007-06-30
MR Monitoring Resolved 2007-04-01 → 2007-06-30
MR Monitoring Resolved 2007-04-01 → 2007-06-30
MR Monitoring Resolved 2007-04-01 → 2007-06-30
MR Monitoring Resolved 2007-04-01 → 2007-06-30
MR Monitoring Resolved 2007-04-01 → 2007-06-30
MR Monitoring Resolved 2007-04-01 → 2007-06-30
MR Monitoring Resolved 2007-04-01 → 2007-06-30

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
3586.5 µg/L 36%
of the EPA limit 10000 µg/L
worst single sample: 3660 µg/L
28/38 SYR4 2012–2019
Lead
0.0029 mg/L 19%
of the EPA limit 0.0150 mg/L
 15/15 LCR 2024
Barium
41.4 µg/L 2.1%
of the EPA limit 2000 µg/L
worst single sample: 44 µg/L
3/3 SYR4 2016–2019
Nitrate-Nitrite
3561 µg/L 36%
of the EPA limit 10000 µg/L
worst single sample: 3660 µg/L
2/3 SYR4 2016–2019
Arsenic
1 µg/L 10%
of the EPA limit 10 µg/L
 1/2 SYR4 2019
Bromodichloromethane
15.1 µg/L
No EPA limit set
 1/11 SYR4 2013–2019
Bromoform
0.8000 µg/L
No EPA limit set
 1/11 SYR4 2013–2019
Copper
9.3 µg/L 0.7%
of the EPA limit 1300 µg/L
 1/3 SYR4 2016–2019
Chloroform
15.6 µg/L
No EPA limit set
 1/10 SYR4 2013–2019
Chromium
3.9 µg/L 3.9%
of the EPA limit 100 µg/L
 1/3 SYR4 2016–2019
Dibromochloromethane
8.9 µg/L
No EPA limit set
 1/11 SYR4 2013–2019
Fluoride
130 µg/L 3.3%
of the EPA limit 4000 µg/L
 1/3 SYR4 2016–2019
TTHM
40.4 µg/L 51%
of the EPA limit 80 µg/L
 1/1 SYR4 2018
Total Haloacetic Acids (HAA5)
5.6 µg/L 9.3%
of the EPA limit 60 µg/L
 1/3 SYR4 2014–2018
Trichloroacetic Acid
5.6 µg/L
No EPA limit set
 1/3 SYR4 2014–2018
43 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane2,4,5-TP2,4-DAntimony, TotalBenzeneBeryllium, TotalChlorobenzeneCyanideCadmiumCarbon TetrachlorideDichloromethaneDalaponDibromoacetic AcidDichloroacetic AcidDinosebEthylene DibromideEthylbenzeneGross Beta Particle ActivityLeadMercuryMonobromoacetic AcidMonochloroacetic AcidNitritePentachlorophenolPicloramSeleniumStyreneTetrachloroethyleneThallium, TotalTolueneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
Kevin Wynn

Frequently asked questions about Green Island Hills Water Assn

Is Green Island Hills Water Assn tap water safe to drink?

EPA monitoring detected 15 contaminants in Green Island Hills Water Assn'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 Green Island Hills Water Assn's water?

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

How many people does Green Island Hills Water Assn serve?

Green Island Hills Water Assn reports serving 265 people in Washington, per its EPA record.

Has Green Island Hills Water Assn had any water quality violations?

The EPA has 490 violations on file for Green Island Hills Water Assn, 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.