Golden State Water Company (GSWC) - Florence/Graham Water Company
Florence/graham, California | Municipal Water Utility Company | Public Service Announcement
The municipal water supply from Golden State Water Company (GSWC) - Florence/Graham may be compromised by several contaminants including 1,2,4-Trimethylbenzene, Chlorate, Beryllium and N-Nitrosodimethylamine (NDMA), while also exhibiting notably elevated levels of water hardness. Golden State Water Company (GSWC) - Florence/Graham provides your community with tap water sourced from Purchased surface water.
What's in your tap water?
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Golden State Water Company (GSWC) - Florence/Graham Area Details
Area served:
Florence/graham, California
Population served:
65962
Water source:
Purchased surface water
Phone:
800-999-4033
Address:
630 E. Foothill Blvd, San Dimas, CA 91773
3date
Contaminants Detected In Florence/graham, California
Chromium (hexavalent); Dibromochloromethane; Total trihalomethanes (TTHMs); 1,4-Dioxane; Barium; Manganese; Nitrate; Monochloroacetic acid; Dichloroac… more
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Golden State Water Company (GSWC) - Florence/Graham
Annual Municipal Water Report
List of Municipal Water Contaminants Tested by Golden State Water Company (GSWC) - Florence/Graham
Tested But Not Detected:
1,1,1-Trichloroethane; 1,1,2,2-Tetrachloroethane; 1,1,2-Trichloroethane; 1,1-Dichloroethane; 1,1-Dichloroethylene; 1,2,3-Trichloropropane; 1,2,4-Trichlorobenzene; 1,2-Dichloroethane; 1,2-Dichloropropane; 1,3-Butadiene; 1,3-Dichloropropene; Aluminum; Antimony; Arsenic; Benzene; Beryllium; Bromochloromethane; Bromomethane; Cadmium; Carbon tetrachloride; Chlorodifluoromethane; Chloromethane; cis-1,2-Dichloroethylene; cis-1,3-Dichloropropene; Cobalt; Cyanide; Di(2-ethylhexyl) phthalate; Dichloromethane (methylene chloride); Ethylbenzene; m- & p-Xylene; Mercury (inorganic); Monochlorobenzene (chlorobenzene); MTBE; N-Nitrosodi-N-propylamine; N-Nitrosodimethylamine (NDMA); N-Nitrosomethylethylamine; N-Nitrosopiperidine; N-Nitrosopyrrolidine; Nitrite; o-Dichlorobenzene; o-Xylene; p-Dichlorobenzene; Perfluorobutane sulfonate (PFBS); Perfluoroheptanoic acid (PFHPA); Perfluorohexane sulfonate (PFHXS); Perfluorononanoic acid (PFNA); Perfluorooctane sulfonate (PFOS); Perfluorooctanoic acid (PFOA); Selenium; Silver; Styrene; Tetrachloroethylene (perchloroethylene); Thallium; Thiobencarb; Toluene; trans-1,2-Dichloroethylene; trans-1,3-Dichloropropene; Trichlorofluoromethane; Trichlorotrifluoroethane; Vinyl chloride; Xylenes (total)
What's in your tap water?

Find out which contaminants are found above Legal and Health Guidelines.
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Golden State Water Company (GSWC) - Florence/Graham
About Us
Golden State Water extends gratitude to California customers for their exceptional conservation efforts and encourages the entire community to maintain water-wise practices as we progress toward full drought recovery. Following unusually dry winter periods, all residents must use water responsibly to support California's sustainable future.
On May 9, 2016, Governor Jerry Brown issued an Executive Order permanently prohibiting wasteful water practices. These include:
- Hosing off sidewalks, driveways and other hardscapes
- Washing vehicles without a hose equipped with a shut-off nozzle
- Operating decorative water fountains that don't use recirculated water
- Watering landscapes causing excessive runoff or within 48 hours after measurable rainfall
- Irrigating ornamental turf in public street medians with potable water
To learn more about drought conditions and conservation requirements in your area, please visit http://www.gswater.com/drought/ or call 1.800.999.4033.

For more information on your municipal water, visit the U.S. Environmental Protection Agency:
Golden State Water Company (GSWC) - Florence/Graham Municipal Water Company and EPAGolden State Water Company (GSWC) - Florence/Graham Municipal Water Report Info
Golden State Water currently serves approximately 8,800 customers in Barstow. We are proud to be the community's water service provider since 1929.
Water delivered to customers in the Barstow System is groundwater pumped from the Mojave River Basin-Centro Sub-Basin, which forms the central section of the Mojave Basin extending northwesterly and southeasterly from the Mojave River.
To view Golden State Water's 2019 event schedule, please click the link provided in our resources section.
Municipal Water Utility Company FAQ

For more information on your municipal water, visit the U.S. CDC:
Golden State Water Company (GSWC) - Florence/Graham Municipal Water Company and CDC- I recently purchased a home. How do I close my account?
Before closing, please contact our water billing department to schedule a final reading and provide a forwarding address for your final bill. We will inform you of any applicable changes at closing.
- I am buying property in Grand Island. How do I open an account?
Prior to closing, please contact our water billing department to provide billing/contact information for your new account. We will advise you of any applicable changes at closing.
- I recently moved to Grand Island but haven't received a water bill. When should I expect it?
Water bills are issued quarterly. We don't prorate or bill for partial quarters. Depending on your move-in date, you may not receive a bill until your account has been active for a full quarter. In this case, your first bill will cover a longer period. We'll explain if this applies when you call to establish your account.
- I was away for most of the winter. Why did I still receive a water bill?
There is a quarterly minimum charge for water service to a property regardless of usage. This charge is based on consumption of 7,000 gallons of water.
- Must I pay the sewer fee on water that doesn't directly enter the sewer (pools, sprinkler systems)?
Yes. All water that passes through your meter incurs both charges. No adjustments are available.
- I made my last payment using online banking and funds were withdrawn before the due date. Why am I seeing a late fee on my current bill?
Online payments made through your bank are not electronically deposited to the Town's account. These payments are mailed by your bank via USPS and posted when received by the clerk's office. To ensure timely receipt, please process online payments 7-10 days before the due date. For proper posting, always reference your current account number and/or service address on the check.
- The due date (15th) falls on a weekend when Town Hall is closed. How can I pay without penalty?
If the 15th falls on a weekend or holiday, payments are accepted penalty-free on the next business day.
- I just returned home and found a notice on my door from the water department. What does this mean?
Water meters have radio transponders allowing remote reading from the street. Occasionally, readings may indicate a service issue (leak, unusual usage) or meter problem (no usage). When this happens, we leave a door hanger requesting you contact our office. It's important to call the Town promptly so we can identify the problem quickly. Non-compliance will result in a surcharge on your water bill.

Golden State Water Company (GSWC) - Florence/Graham provides municipal water services to the public of San Dimas and Florence/graham, California.
Limited Time: Free Water Safety Report for Golden State Water Company (GSWC) - Florence/Graham.

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