
Westchester County, New York | Municipal Water Utility Company | Public Service Announcement
The community tap water supplied by Westchester Joint Water Works may contain several concerning contaminants including Benzo[a]pyrene and Desethylatrazine, alongside elevated levels of water hardness. Westchester Joint Water Works provides residents with municipal water sourced primarily from Surface water reservoirs.
What's in your tap water?
Free Water Safety Report for Westchester Joint Water Works. (limited time offer)
US Public Records
Westchester Joint Water Works Area Details

Area served:
Westchester County, New York

Population served:
116360

Water source:
Surface water

Phone:
914-698-3500

Address:
1625 Mamaroneck Ave, , Mamaroneck, NY 10543

3date
Contaminants Detected In Westchester County, New York
Bromodichloromethane; Chloroform; Chromium (hexavalent); Dichloroacetic acid; Total trihalomethanes (TTHMs); Trichloroacetic acid; Bromodichloromethan… more

Free Water Safety Report for Westchester Joint Water Works. (limited time offer)
DISCOVER THE TRUTH & SAFEGUARD YOUR FAMILY!
US Public Records
Westchester Joint Water Works
Annual Municipal Water Report
List of Municipal Water Contaminants Tested by Westchester Joint Water Works
Tested But Not Detected:
1,1,1,2-Tetrachloroethane; 1,1,1-Trichloroethane; 1,1,2,2-Tetrachloroethane; 1,1,2-Trichloroethane; 1,1-Dichloroethane; 1,1-Dichloroethylene; 1,1-Dichloropropene; 1,2,3-Trichlorobenzene; 1,2,3-Trichloropropane; 1,2,4-Trichlorobenzene; 1,2,4-Trimethylbenzene; 1,2-Dichloroethane; 1,2-Dichloropropane; 1,3,5-Trimethylbenzene; 1,3-Butadiene; 1,3-Dichloropropane; 1,4-Dioxane; 2,2-Dichloropropane; 2,4,5-TP (Silvex); 2,4-D; 3-Hydroxycarbofuran; Alachlor (Lasso); Aldicarb; Aldicarb sulfone; Aldicarb sulfoxide; Aldrin; Antimony; Arsenic; Atrazine; Benzene; Benzo[a]pyrene; Beryllium; Bromobenzene; Bromochloroacetic acid; Bromochloromethane; Bromoform; Bromomethane; Butachlor; Cadmium; Carbaryl; Carbofuran; Carbon tetrachloride; Chlordane; Chlorodifluoromethane; Chloroethane; Chloromethane; cis-1,2-Dichloroethylene; cis-1,3-Dichloropropene; Cobalt; Combined uranium; Dalapon; Di(2-ethylhexyl) adipate; Di(2-ethylhexyl) phthalate; Dibromoacetic acid; Dibromomethane; Dicamba; Dichlorodifluoromethane; Dichloromethane (methylene chloride); Dieldrin; Dinoseb; Endrin; Ethylbenzene; Ethylene dibromide; Heptachlor; Heptachlor epoxide; Hexachlorobenzene (HCB); Hexachlorobutadiene; Hexachlorocyclopentadiene; Isopropylbenzene; Lindane; m-Dichlorobenzene; m-Xylene; Mercury (inorganic); Methomyl; Methoxychlor; Metolachlor; Metribuzin; Molybdenum; Monobromoacetic acid; Monochlorobenzene (chlorobenzene); MTBE; n-Butylbenzene; n-Propylbenzene; Nitrate & nitrite; Nitrite; o-Chlorotoluene; o-Dichlorobenzene; o-Xylene; Oxamyl (Vydate); p-Chlorotoluene; p-Dichlorobenzene; p-Isopropyltoluene; p-Xylene; Pentachlorophenol; Perfluorobutane sulfonate (PFBS); Perfluoroheptanoic acid (PFHPA); Perfluorohexane sulfonate (PFHXS); Perfluorononanoic acid (PFNA); Perfluorooctane sulfonate (PFOS); Perfluorooctanoic acid (PFOA); Picloram; Polychlorinated biphenyls (PCBs); Propachlor; sec-Butylbenzene; Selenium; Silver; Simazine; Styrene; tert-Butylbenzene; Tetrachloroethylene (perchloroethylene); Thallium; Toluene; Toxaphene; trans-1,2-Dichloroethylene; trans-1,3-Dichloropropene; Trichloroethylene; Trichlorofluoromethane; Vinyl chloride

What's in your tap water?

Find out which contaminants are found above Legal and Health Guidelines.
DISCOVER THE TRUTH & SAFEGUARD YOUR FAMILY!
US Public Records
Westchester Joint Water Works
About Us
In compliance with State regulations, Westchester Joint Water Works (WJWW) publishes an annual report detailing the quality of your municipal water. This report aims to enhance your understanding of water quality and emphasize the importance of protecting our water sources.
We're proud to report that last year, your tap water met all State health requirements without violating any maximum contaminant levels or water quality standards. Below is an overview of our water quality for the past year.
For questions about this report or your municipal water, please contact Paul Kutzy, General Manager at 914-698-3500 ext. 612. We encourage residents to stay informed about their water supply. The WJWW Board of Trustees typically meets at 4:00 p.m. on the second and fourth Tuesday of each month at 1625 Mamaroneck Avenue, Mamaroneck, NY. All meetings are open to the public.
Water Sources: Our water comes from the upstate Catskill and Delaware watersheds of the New York City water system. We have two connections to the City system: one at Shaft 22 of the Delaware Aqueduct in Yonkers and another at Rye Lake (eastern portion of Kensico Reservoir) in Harrison. Water from Shaft 22 blends water from the Catskill and Delaware watersheds, while Rye Lake water typically comes exclusively from the Delaware watershed.
Water Treatment: Water from Shaft 22 is fluoridated and chlorinated by NYCDEP at Kensico Reservoir. Since late 2012, NYCDEP has also provided UV treatment at its Eastview facility. At our Larchmont Station, WJWW provides additional chlorination, adds caustic soda to adjust pH, and includes a poly-orthophosphate corrosion inhibitor. Water from Kensico Reservoir at the Rye Lake Station is treated similarly at the Rye Lake Treatment Plant, with caustic soda added for pH control after passing through Purchase Tanks.
Service Area: WJWW is a non-profit public benefit corporation serving the Village of Mamaroneck, Town of Mamaroneck, and Town/Village of Harrison. We supply retail water to these municipalities and portions of Rye and New Rochelle, plus wholesale water to Larchmont Village and Suez Water Westchester. We serve a retail population of 59,629 through 14,826 service connections.
Usage Statistics: In 2017, WJWW purchased 4.37 billion gallons of water and distributed 3.75 billion gallons to consumers. The difference (616 million gallons or 14.1% of total) represents unbilled water, including leaks, main breaks, under-registered meters, and usage for firefighting and hydrant flushing. Daily average water pumped was 12.0 million gallons, with peak usage reaching 20.2 million gallons.
Water Rates: As WJWW has no rate-making authority, each member municipality sets its own rates. For an average annual usage of 100,000 gallons (134 hundred cubic feet) with a 5/8" meter as of July 2017, annual costs vary: Village of Mamaroneck $779.94, Town of Mamaroneck $856.62, Town of Harrison $766.74, Town of Rye $1,079.94*, and City of New Rochelle $1,118.10*. *Outside district rates are higher because these cities tax WJWW water mains, while mains in member municipalities are tax-exempt.

For more information on your municipal water, visit the U.S. Environmental Protection Agency:
Westchester Joint Water Works Municipal Water Company and EPAWestchester Joint Water Works Municipal Water Report Info
The EPA provides essential oversight of municipal water systems across the United States. Their integrated water analysis tools help monitor contaminant levels and ensure compliance with federal standards. Westchester Joint Water Works submits regular testing data to verify that water quality meets or exceeds safety requirements for all residents served.
The EPA's Safe Drinking Water Act establishes maximum contaminant levels for substances that may pose health risks. While some contaminants like Benzo[a]pyrene and Desethylatrazine have been identified in Westchester's water supply, ongoing treatment processes work to minimize these concerns. Regular testing helps identify potential issues before they become serious health hazards.
Water hardness remains a common complaint among Westchester residents. Hard water causes scale buildup in pipes, reduced appliance efficiency, and can lead to increased soap usage. While not typically a health concern, hard water can cause significant household maintenance issues over time.
Municipal Water Utility Company FAQ

For more information on your municipal water, visit the U.S. CDC:
Westchester Joint Water Works Municipal Water Company and CDC- What type of Bond do I need?
- For retail, can employee name tags display just first name and photo ID?
- Is there a limit to the number of licenses a cannabis business can obtain?
- How long does the application process take? Will I be notified if my application is incomplete?
- Can a cannabis business operate as a commercial enterprise?
- How do I determine if a cannabis business is permitted at my intended property location?
- Can I cultivate cannabis while my permit applications are being processed?
- Is there a cap on the number of permits the City will issue?
- Does the City allow commercial cultivation and manufacturing for non-medical purposes following Prop. 64 passage?
- What are the Cannabis Permit Fees?
- What is the current City Tax on Cannabis Businesses?
- Does the City of Shasta Lake permit "Cottage Licenses" for commercial cultivation?
- According to City's cannabis ordinance, dispensaries and retail outlets are allowed to supply - does this apply to retail nurseries?
- Is a retail nursery allowed to supply its own materials for sale on the property? Can we produce clones and seeds for the retail nursery onsite?
Cannabis Related Activities
- Will additional retail sales shops be allowed beyond what the City currently permits?
- Will commercial cultivation and production activities be permitted?
- Will the City consider volatile marijuana extraction activities?
- Will outdoor cultivation continue to be allowed within City limits?
City Clerk
- How do I speak at a City Council Meeting?
- How can I express my opinion on an upcoming Public Hearing?
- When and where are City Council meetings held?
City Council
- What is the purpose of the City Council?
- How are City Council positions filled?
Customer Service
- When is my utility bill due?
- What if I have trouble paying my utility bill on time?
- Can I pay my bill online?
- Can I qualify for a low-income discount?
- What number do I call for Animal Control?
- What should I do if I believe my bill is incorrect or need to file a complaint?
- What are your office hours?

Westchester Joint Water Works provides municipal water services to the public of Mamaroneck and Westchester County, New York.
For a Limited Time - Get the Westchester Joint Water Works Official Water Score Report for Free.

DISCOVER THE TRUTH & SAFEGUARD YOUR FAMILY!
US Public Records
Municipal Water Companies Near Westchester County, New York
Mount Vernon Water Department Water Company
Ossining Water Department Water Company
Peekskill City Water Company
Cortlandt Consolidated WD Water Company
Montrose Improvement District Water Company
Northern Westchester Joint Water Works Water Company
Pleasantville Water District Water Company
Scarsdale Water Department Water Company
Tarrytown Water Supply Water Company
Kensico Water District Water Company
Commonly Searched Terms:
Water company emergency, all the benefits of drinking water, woman drinking water, how to clean drinking water, what's in drinking water