Is Kona Water Service Company Tap Water Safe? Quality Report

Water source: Ground water
Ownership: Private
Counties served: Hawaii

Compliance record

No violations on file. The EPA has no formal drinking-water violations recorded for this supplier.

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.

Contaminant	Level vs EPA limit	Detection rate	Source	Period
Nitrate	967.5 µg/L 9.7% of the EPA limit 10000 µg/L worst single sample: 1200 µg/L	36/36	SYR4	2012–2019
Copper	596.85 µg/L 46% of the EPA limit 1300 µg/L worst single sample: 1760 µg/L	32/41	SYR4	2014–2019
Nitrate-Nitrite	936.5 µg/L 9.4% of the EPA limit 10000 µg/L worst single sample: 1200 µg/L	18/18	SYR4	2012–2019
Fluoride	1125 µg/L 28% of the EPA limit 4000 µg/L worst single sample: 1200 µg/L	16/17	SYR4	2012–2019
Lead	0.0 mg/L 0% of the EPA limit 0.0150 mg/L	7/7	LCR	2023
Bromoform	8.12 µg/L No EPA limit set worst single sample: 9.3 µg/L	5/5	SYR4	2012–2019
Dibromochloromethane	1.96 µg/L No EPA limit set worst single sample: 2 µg/L	5/5	SYR4	2012–2019
TTHM	9.96 µg/L 12% of the EPA limit 80 µg/L worst single sample: 11.1 µg/L	5/5	SYR4	2012–2019
Total Haloacetic Acids (HAA5)	1.57 µg/L 2.6% of the EPA limit 60 µg/L worst single sample: 1.6 µg/L	2/5	SYR4	2012–2019
Dibromoacetic Acid	1.6 µg/L No EPA limit set	1/5	SYR4	2012–2019
Gross Alpha, Excl. Radon And U	0.1600 pCi/L 1.1% of the EPA limit 15 pCi/L	1/2	SYR4	2014
Gross Beta Particle Activity	11 pCi/L No EPA limit set	1/2	SYR4	2014
Lead	12.53 µg/L 84% of the EPA limit 15 µg/L	1/41	SYR4	2014–2019
Trichloroacetic Acid	1 µg/L No EPA limit set	1/5	SYR4	2012–2019

68 contaminants tested, none detected

1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane2,3,7,8-TCDD2,4,5-TP2,4-DAntimony, TotalArsenicAtrazineBhc-GammaBariumBenzeneBenzo(A)PyreneBeryllium, TotalBromodichloromethaneChlorobenzeneCyanideCadmiumCarbofuranCarbon TetrachlorideChlordaneChloroformChromiumCombined Radium (-226 And -228)Combined UraniumDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDichloroacetic AcidDinosebDiquatEthylene DibromideEndothallEndrinEthylbenzeneGlyphosateHexachlorobenzeneHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorMonobromoacetic AcidMonochloroacetic AcidNitriteOxamylPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact: CARRASCO, TONY
Phone: 808-883-2065
Email: [email protected]

Frequently asked questions about Kona Water Service Company

Is Kona Water Service Company tap water safe to drink?

EPA monitoring detected 14 contaminants in Kona Water Service 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 Kona Water Service Company's water?

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

How many people does Kona Water Service Company serve?

Kona Water Service Company reports serving 260 people in Hawaii, per its EPA record.

Has Kona Water Service Company had any water quality violations?

The EPA has no formal drinking-water violations on file for Kona Water Service Company.

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.