Welcome to the Water Department
2021 Lead and Copper Sample Results
2020 Lead Action Level Exceedance Requirement
Hours: 7 a.m.-3 p.m., Monday-Friday
Phone: 920-262-4075
FAX: 920-262-4087
Water Department General Email
Water Department Staff:
Peter Hartz - Manager
920-262-4075
Joe Lehner - Assistant Manager
920-262-4075
HydroCorp has been hired by the City of Watertown Water Department to complete the Industrial and Commercial Cross Connection Inspections. Click here for: Cross Connection Control Inspection information
Phone: 920-262-4075
FAX: 920-262-4087
Water Department General Email
Water Department Staff:
Peter Hartz - Manager
920-262-4075
Joe Lehner - Assistant Manager
920-262-4075

DNR Supports Groundwater Awareness Week With Focus On Sustainability
11 Amazing Healing Benefits of Drinking Water in a Copper Vessel
Click Here To Discover Your Personal Water Usage and Savings Opportunities
Are your kiddos thirsty for knowledge?

Here are a few quick fun facts about the water department!!


Watertown has 120 miles of water main. If laid end-to-end, it would reach past Chicago! Some water main installed in 1896 is still in use today!!

530 meters indicate a leak every day, on average!

82,939 postcard water bills were mailed in 2020. The postage alone cost $21,603.23!!

8,798 meters, 11,342 valves, and 1,381 fire hydrants are maintained by 7 employees along
with many more items!!!

1,038 bills were created in 2020, or customers who were moving. This is lower than the five-year average of 1,206!

7,155 phone calls were handled by office staff in 2020.