Mililani Water Company

Independent water quality summary by SoftPro® Water Systems. SoftPro® Water Systems is not affiliated with Mililani Water Company or any government agency. Contaminant information is compiled from public water-quality records. For your utility's official test results, see its annual Consumer Confidence Report (find it on EPA.gov).

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Mililani Bws, Hawaii | Municipal Water Utility Company | Public Service Announcement

Mililani tap water may be compromised by several concerning contaminants including 1,2,3-Trichloropropane and Chromium (hexavalent), alongside increasing levels of water hardness. Mililani provides your community with water sourced primarily from Groundwater reserves throughout the service area.

What's in your tap water?

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Mililani Area Details

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Area served:

Mililani Bws, Hawaii

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Population served:

36560

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Water source:

Groundwater

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Phone:

808-748-5000

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Address:

630 South Beretania Street, Honolulu, HI 96843

Hawaii Dinking Water Utility

Contaminants Detected In Mililani Bws, Hawaii

1,2,3-Trichloropropane; Chromium (hexavalent); Vanadium; Bromodichloromethane; Barium; 1,2-Dibromo-3-chloropropane (DBCP) Chlorate; Nitrate; Strontium… more

Honolulu Dinking Water Utility

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Mililani

Annual Water Quality Report

List of Water Contaminants Tested by Mililani

Tested But Not Detected:
1,1,1-Trichloroethane; 1,1,2-Trichloroethane; 1,1-Dichloroethane; 1,1-Dichloroethylene; 1,2,4-Trichlorobenzene; 1,2-Dichloroethane; 1,2-Dichloropropane; 1,3-Butadiene; 1,4-Dioxane; 2,3,7,8-TCDD (Dioxin); 2,4,5-TP (Silvex); 2,4-D; Alachlor (Lasso); Antimony; Arsenic; Asbestos; Atrazine; Benzene; Benzo[a]pyrene; Beryllium; Bromochloromethane; Bromodichloromethane; Bromoform; Bromomethane; Cadmium; Carbofuran; Carbon tetrachloride; Chlordane; Chlorodifluoromethane; Chloroform; Chloromethane; cis-1,2-Dichloroethylene; Cobalt; Combined uranium; Cyanide; Dalapon; Di(2-ethylhexyl) adipate; Di(2-ethylhexyl) phthalate; Dibromoacetic acid; Dibromochloromethane; Dichloroacetic acid; Dichloromethane (methylene chloride); Dieldrin; Dinoseb; Diquat; Endothall; Endrin; Ethylbenzene; Ethylene dibromide; Glyphosate; Haloacetic acids (HAA5); Heptachlor; Heptachlor epoxide; Hexachlorobenzene (HCB); Hexachlorocyclopentadiene; Lindane; Mercury (inorganic); Methoxychlor; Molybdenum; Monobromoacetic acid; Monochloroacetic acid; Monochlorobenzene (chlorobenzene); Nitrite; o-Dichlorobenzene; Oxamyl (Vydate); p-Dichlorobenzene; Paraquat; Pentachlorophenol; Perfluorobutane sulfonate (PFBS); Perfluoroheptanoic acid (PFHPA); Perfluorohexane sulfonate (PFHXS); Perfluorononanoic acid (PFNA); Perfluorooctane sulfonate (PFOS); Perfluorooctanoic acid (PFOA); Picloram; Polychlorinated biphenyls (PCBs); Radium; combined (-226 & -228); Radium-226; Radium-228; Selenium; Simazine; Styrene; Tetrachloroethylene (perchloroethylene); Thallium; Toluene; Total trihalomethanes (TTHMs); Toxaphene; trans-1,2-Dichloroethylene; Trichloroacetic acid; Trichloroethylene; Vinyl chloride; Xylenes (total)

mililani-water-company-hawaii Office

Discover which contaminants exceed Legal and Health Guidelines in your water.

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Mililani

About Us

Mililani Billing  and Payments

Website

Mililani


96843 Annual Water Report

Email

cccs@hbws.org


Mililani Payment Options

For more Hawaii resources & information

Hawaii Water Utility Companies

Hawaii EPA Water Reports

For more information on your tap water, visit the U.S. Environmental Protection Agency:

Mililani Drinking Water Company and EPA

Mililani Water Quality Report Information

The Board of Water Supply (BWS) manages Oahu's municipal water resources and distribution network. The BWS ensures residents receive safe and dependable water service at reasonable rates. Revenue collected from water sales funds its operations and projects.

As a semi-autonomous agency, the BWS is overseen by a seven-member Board of Directors. Five members are appointed by the Mayor and confirmed by the City Council. The remaining two directors are the Director of the Hawaii State Department of Transportation (DOT) and the Chief Engineer of the City Department of Facility Maintenance (DFM).

Municipal Water Utility Company FAQ

Hawaii CDC Tap Water Info

For more information on your tap water, visit the U.S. CDC:

Mililani Drinking Water Company and CDC

Frequently Asked Questions

  1. Where does Mililani water come from?
    Mililani supplies groundwater to Mililani Bws, Hawaii.
  2. Does Mililani test its tap water?
    Yes. Like every public water system, Mililani must test its water under the federal Safe Drinking Water Act and publish an annual water quality report (Consumer Confidence Report). Ask the utility for the latest report or look for it on its website.
  3. How do I contact Mililani?
    Call 808-748-5000 or visit 630 South Beretania Street, Honolulu, HI 96843, or use the contact options on the utility’s website.
  4. Does Mililani water contain lead?
    Water usually leaves the treatment plant without lead. Lead can enter tap water from older service lines, solder and brass fixtures inside homes, especially when water sits in the pipes. Run the tap before drinking if water has been sitting, and ask the utility about lead testing and service line records.
  5. Is Mililani water hard?
    Hardness depends on the source and changes over time. The annual water quality report lists hardness, or you can test it at home. If it is above about 7 grains per gallon, a water softener sized to your measured hardness will stop scale and spotting.
Mililani consumer info

Mililani provides municipal water services to the residents of Honolulu and Mililani Bws, Hawaii.

Free Water Safety Report for Mililani. (limited time offer)