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Jefferson County, Missouri | Municipal Water Utility Company | Public Service Announcement

Residents receiving water from Jefferson County PWSD1 may be exposed to various contaminants including Thallium, Vanadium and Chlordane, along with elevated water hardness levels. Jefferson County PWSD1 delivers municipal water to your community sourced from Purchased surface water supplies.

What's in your tap water?

Limited Time: Free Official Water Safety Report for Jefferson County PWSD1!

US Public Records

Jefferson County PWSD1 Area Details

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Area served:

Jefferson County, Missouri

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Population served:

20624

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Water source:

Purchased surface water

which water company

Phone:

636-296-0659

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Address:

2970 Schneider Dr., Arnold, MO 63010

Missouri Dinking Water Utility

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Contaminants Detected In Jefferson County, Missouri

Bromodichloromethane; Chlorate; Chloroform; Chromium (hexavalent); Dibromochloromethane; Dichloroacetic acid; Total trihalomethanes (TTHMs); Trichloro… more

Arnold Dinking Water Utility

Limited Time: Free Official Water Safety Report for Jefferson County PWSD1!

DISCOVER THE TRUTH & SAFEGUARD YOUR FAMILY!

US Public Records

Jefferson County PWSD1

Annual Municipal Water Report

List of Municipal Water Contaminants Tested by Jefferson County PWSD1

Tested But Not Detected:
1,1-Dichloroethane; 1,2,3-Trichloropropane; 1,3-Butadiene; Bromochloromethane; Bromomethane; Chlorodifluoromethane; Chloromethane; Cobalt; Monobromoacetic acid; Perfluorobutane sulfonate (PFBS); Perfluoroheptanoic acid (PFHPA); Perfluorohexane sulfonate (PFHXS); Perfluorononanoic acid (PFNA); Perfluorooctane sulfonate (PFOS); Perfluorooctanoic acid (PFOA)

jefferson-county-pwsd1-water-company-missouri Office

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

DISCOVER THE TRUTH & SAFEGUARD YOUR FAMILY!

US Public Records

Jefferson County PWSD1

About Us


63010 Annual Water Report

Email

contact@pwsd1jeffco.com


Jefferson County PWSD1 Payment Options

For more Missouri resources & information

Missouri Water Utility Companies

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Missouri EPA Water Reports

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

Jefferson County PWSD1 Municipal Water Company and EPA

Jefferson County PWSD1 Municipal Water Report Info
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Municipal Water Utility Company FAQ

Missouri CDC Tap Water Info

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

Jefferson County PWSD1 Municipal Water Company and CDC

Q: How can I become a water customer in Jefferson County?
A: First, verify if your area is serviced by checking the service territory map. If we service your city, call 1-800-286-5700 to initiate service.

Q: What's required to open an account?
A: Contact customer service at 1-800-286-5700 with the following information:

  • Service address
  • Name(s) for the account
  • Contact phone number(s)
  • Requested start date (weekdays only)
  • Property ownership status (buying or renting)

Q: How do I close my water account?
A: Call customer service at 1-800-286-5700 with:
  • Your account number or service address
  • The date service should end
  • Forwarding address for final bill
  • Current daytime phone number

Q: How frequently are customers billed?
A: Residential customers typically receive bills quarterly (every three months), while larger commercial and industrial customers may be billed monthly.

Q: Why is my water bill higher than expected?
A: Higher bills often result from increased usage. New appliances, lawn watering, pool filling, or irrigation systems can significantly increase consumption. Check for leaks using our Leak Detection Guide to identify hidden water waste. Bills may also cover additional days if meter readings weren't exactly 90 days apart, or if previous bills were estimated.

Q: Can you provide tips to reduce my water bill?
A: Visit our water conservation webpage for indoor and outdoor water-saving tips. Use the Alliance for Water Efficiency's Water Calculator to identify savings opportunities throughout your home.

Q: What does an 'estimated' bill mean?
A: Bills are estimated when actual meter readings cannot be obtained due to:
  • Indoor meters with limited access
  • Blocked or covered meter pits
  • Meter equipment malfunctions
  • Reading difficulties when dials are between digits

Q: What winterization steps should I take if leaving my home for extended periods?
A: Consult with a plumber about properly winterizing your home's pipes and fixtures, especially if you have a hot-water heating system. If your heat will be off, schedule to have your water service shut off at the street. If keeping heat on, set the thermostat no lower than 55 degrees and arrange for someone to check periodically.
Jefferson County PWSD1 consumer info

Jefferson County PWSD1 delivers municipal water services to residents of Arnold and Jefferson County, Missouri.

Get the Jefferson County PWSD1 Official Water Score Report for Free (limited time offer).

Jefferson County PWSD1 FAQ

DISCOVER THE TRUTH & SAFEGUARD YOUR FAMILY!

US Public Records

Municipal Water Companies Near Jefferson County, Missouri


Jefferson County Cons. PWSD C 1 Water Company
Festus Water Company
Jefferson County PWSD 2 Water Company
St. Louis City Water Company
Kirkwood Water Company
Missouri American St. Louis County & St. Charles County Water Company
St. Charles Water Company
O'Fallon Water Company
St. Charles County PWSD 2 Water Company
St. Peters Water Company


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