Warren County Water & Sewer Department

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Warren County Water & Sewer Department Warren County Water & Sewer Department - A regional water supplier to over 28,000 customers and sewer service provider to over 18,000 customers.

The Warren County Water and Sewer Department welcomes you to our homepage. We hope you enjoy your visit. If we can be of further help to you, please stop by our office or give us a call. The Warren County Water and Sewer Department is a regional water supplier that owns and operates two water treatment plants with a total Ohio EPA rated capacity of 12 million gallons per day. The treatment plants treats water from wells located along the Great Miami and Little Miami aquifers. The water is distributed from four booster pump stations through 500 miles of watermains to over 28,000 water customers. Fire protection and daily storage is provided from eight elevated storage tanks with a total storage volume of 13 million gallons. The County serves the Villages of Corwin, Harveysburg, and Maineville, as well as portions of Clear Creek, Deerfield, Franklin, Hamilton, Turtle Creek, Union, and Wayne Townships. In addition to the water furnished by our plants the County purchases potable water from the City of Springboro, Village of Waynesville and the City of Cincinnati. The County has emergency water system interconnections with neighboring cities and villages including:
•Cincinnati
•Franklin
•Lebanon
•Middletown
•Springboro
•South Lebanon
•Waynesville

The Warren County Water and Sewer Department serves over 18,000 sewer customers throughout the County. It owns and operates three wastewater treatment plants with Ohio EPA permitted capacities of 7.2 million gallons per day, 80,000 and 16,000 gallons per day. The County also has agreements with the Metropolitan Sewer District, Franklin Regional Wastewater Treatment Corporation, Butler County and the Village of Waynesville to provide wastewater treatment to portions of unincorporated areas of the County. The County maintains over 340 miles of sanitary sewers and 70 sewage pump stations.

10/19/2026

Water main break affecting service portions of the following roads in Deerfield Township:
Fields Ertel Road
Rich road
Ball Road
Elm Road
Oak Drive
Maple Drive
Cedar Drive
Hickory Drive
Sycamore
Arbor Wood
Barnswood Lane
This repair will be completed without a boil water advisory. Crews are on site. Please use caution when driving in this area.

10/17/2026

Water main break affecting service to
5850-5975 Deer Run in Deerfield Township. A boil water advisory is not necessary for this repair. Crews are on site. Please use caution in this area.

10/04/2026

Water main break affecting service to 2284- 2391 Cosmos and 8939 Primrose in Deerfield Township. A boil water advisory is not necessary for this repair. Crews are on site. Please use caution in this area.

SCHEDULED WATERMAIN SHUTDOWN – VILLAGE OF CORWINMonday, October 5, 2026 (9:00 AM - 5:00 PM)Affecting the following: 6-14...
10/02/2026

SCHEDULED WATERMAIN SHUTDOWN – VILLAGE OF CORWIN
Monday, October 5, 2026 (9:00 AM - 5:00 PM)
Affecting the following:
6-140 S Main st
36-184 Main st
801-946 Corwin ave
33-177 New Burlington Rd
39-99 Maple
All of First st
All of Second st
All of John st
All of High st
All of Pigeon st
All of Partridge.
The water in this area will be temporarily shut down for the purpose of making water improvements. No boil water advisory.

09/30/2026

Water main break affecting service to 858-1137 River Forest Dr in Hamilton Township. A boil water advisory will not be issued for this repair. Crews are on site. Please use caution when traveling in this area.

09/28/2026

Water main break affecting service to 3569-3080 McLean and all of Whispering Way in Franklin Twp. A boil water advisory will not be issued for this repair. Crews are on site. Please use caution when traveling in this area.

09/25/2026

Water main break affecting service to 6492-6571 Hunter Green Dr, Hedgewood Cir., Ivy Grove Pl., Brook Farm Ct., Plum Field Ct., Rosedale Ct., Plantation Dr., Field Stone Pl., in
Deerfield Township. A boil water advisory is not anticipated for this repair. Crews are on site. Please use caution in this area.

09/25/2026

Water main break affecting service to Linwood Road and Josheph Road. Crews are on site. This repair will be completed without a boil water advisory. Please use caution when traveling in this area.

09/25/2026

Water main break affecting service to the following customers:
5732-5846 Russell Avenue
6984-7159 Harriet Avenue
5671-6186 Decker Road
6501 Shaker
Shelly Street
Jaqui Lane
Dawn Street
Crews are on site. This repair will be completed without a boil water advisory. Please use caution when traveling in this area.

09/21/2026

Water main break affecting service to 9679-9812 Blackbird Place, Mallard Ct, and 6600 Owlwood Dr in Deerfield Twp. This repair does not require a boil water advisory. Crews are on site. Please use caution in this area.

Address

406 Justice Drive
Lebanon, OH
45036

Opening Hours

Monday 8am - 4:30pm
Tuesday 8am - 4:30pm
Wednesday 8am - 4:30pm
Thursday 8am - 4:30pm
Friday 8am - 4:30pm

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