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Montgomery County Environmental Services is currently experiencing longer than usual delivery times from the United States Postal Service (USPS). If mailing a check or money order to pay your water bill, please allow adequate time for mailing and processing to avoid late fees on your account. As a reminder, you can also use any of our other services to pay your water bill via Click2Gov, though the IVR system, or deliver your payment to one of our drop boxes listed on the back of your water bill.



Since 1924, Montgomery County Environmental Services has provided high quality water and sewer services to residents and businesses in Montgomery County. Today, we have more than 80,000 water and sewer customers. We also operate and maintain approximately 1,200 miles of sanitary sewer and 1,400 miles of water main lines.

Our environmental lab tests more than 12,000 water samples each year to ensure water quality and safety. Montgomery County drinking water consistently meets or exceeds all state and federal drinking water safety and quality standards.

General Information: (937) 781-2500
Customer Service & Billing: (937) 781-2688
Report a Water Quality Concern: (937) 781-2678
Report water main breaks, or sanitary sewer backups: (937) 781-2678


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Drinking Water Quality Report for the 2021 Testing Year

2021 Annual OEPA Sanitary Sewer Overflow and Water in Basement Report

  2021 Montgomery County Environmental Services Annual Report

Dot isolated What Not to Flush