Is Lalamilo Tap Water Safe? Quality Report

Water source: Ground water
Ownership: Local government
Counties served: Hawaii

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.

health-based violations

violations on file

still open

Violation	Type	Status	Period
MR	Monitoring	Archived	2005-10-01 → 2005-10-31
MR	Monitoring	Archived	2005-10-01 → 2005-10-31
MR	Monitoring	Archived	2005-10-01 → 2005-10-31

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	1300 µg/L 13% of the EPA limit 10000 µg/L	16/16	SYR4	2012–2019
Fluoride	336.5 µg/L 8.4% of the EPA limit 4000 µg/L worst single sample: 340 µg/L	8/8	SYR4	2012–2019
Lead	0.0 mg/L 0% of the EPA limit 0.0150 mg/L	8/8	LCR	2023
Nitrate-Nitrite	1300 µg/L 13% of the EPA limit 10000 µg/L	8/8	SYR4	2012–2019
Bromoform	12.35 µg/L No EPA limit set worst single sample: 12.5 µg/L	7/7	SYR4	2013–2019
TTHM	14.1 µg/L 18% of the EPA limit 80 µg/L worst single sample: 15 µg/L	7/7	SYR4	2013–2019
Dibromoacetic Acid	2.7 µg/L No EPA limit set worst single sample: 2.9 µg/L	6/7	SYR4	2013–2019
Total Haloacetic Acids (HAA5)	2.74 µg/L 4.6% of the EPA limit 60 µg/L worst single sample: 2.9 µg/L	5/7	SYR4	2013–2019
Dibromochloromethane	2.43 µg/L No EPA limit set worst single sample: 2.5 µg/L	3/7	SYR4	2013–2019
Copper	129.4 µg/L 10% of the EPA limit 1300 µg/L worst single sample: 131 µg/L	2/47	SYR4	2012–2017
Chromium	4.683 µg/L 4.7% of the EPA limit 100 µg/L worst single sample: 4.7 µg/L	2/2	SYR4	2014–2017
Gross Beta Particle Activity	4.4 pCi/L No EPA limit set	1/1	SYR4	2016

69 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 TetrachlorideChlordaneChloroformCombined Radium (-226 And -228)Combined UraniumDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDichloroacetic AcidDinosebDiquatEthylene DibromideEndothallEndrinEthylbenzeneGlyphosateGross Alpha, Excl. Radon And UHexachlorobenzeneHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLeadMercuryMethoxychlorMonobromoacetic AcidMonochloroacetic AcidNitriteOxamylPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroacetic AcidTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact: OKAMOTO, KEITH K.
Phone: 808-961-8050

Frequently asked questions about Lalamilo

Is Lalamilo tap water safe to drink?

EPA monitoring detected 12 contaminants in Lalamilo'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 Lalamilo's water?

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

How many people does Lalamilo serve?

Lalamilo reports serving 1,895 people in Hawaii, per its EPA record.

Has Lalamilo had any water quality violations?

The EPA has 3 violations on file for Lalamilo, 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.