Greater Cincinnati Water Works provides 132 million gallons of water a day through 3,100 miles of water mains to about 1.1 million people in the region.

Cincinnati, OH
Joined March 2010
Mark your calendars! Our next Customer Support Pop-Up Event is happening this Friday in partnership with the Council on Aging. We're bringing GCWW customer service directly into the community to make support more accessible and convenient. Stop by to get answers to account questions, explore payment and assistance options, enroll in AutoPay, and learn more about the programs and services available to you. Our team will be on-site and ready to help. We look forward to seeing you there!💧💙
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BOIL WATER ADVISORY & TRAFFIC ALERT: There was a water main break Saturday, Sept. 5 on Cooper Road in Evendale, near Reading Road. The break is being repaired but it caused some road damage. A total of 538 customers are under a boil water advisory and have been notified via text, email and recorded telephone messages.
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Greater Cincinnati Water Works (GCWW) is celebrating two major milestones in its award-winning Lead Service Line Replacement Program. The utility has now replaced more than 10,000 lead lines since the first replacement occurred in February 2018. Also, GCWW has completed work related to a $500,000 grant from the Ohio Environmental Protection Agency (EPA). It paid for the replacement of more than 100 lead lines at licensed childcare facilities. More: cincinnati-oh.gov/water/news… #GetTheLeadOut #GCWWproud
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WOODBURN AVE & WILLIAM HOWARD TAFT WEEKEND TRAFFIC ALERT & LANE CLOSURES Beginning this evening, Friday 9/4/26, at approx. 7 pm through the completion of the project on Saturday evening: > Both northbound lanes on Woodburn Ave. closed from Locust St. to the north side of William H. Taft; > Both eastbound and westbound lanes on William H Taft Rd. closed from Woodburn Ave. to Ingleside Ave.; > Southbound turning lane on Woodburn Ave. closed. Detours will be marked, and traffic will be maintained. Please use caution in the area.
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ATTN: W MITCHELL AVE / Winton Place / Spring Grove Water service has been repaired and water service restored; however, a Boil Water Advisory has been issued and is in effect until 08/21/2026 at 9:30 AM. Premises affected: 4424 to 4549 on Mitchell Ave 4524 to 4530 on Este Ave 4777 to 4831 on Spring Grove Ave Current Traffic Impact: Traffic is being maintained. Use caution.
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UPDATE: Most of the roads affected by the water main break on West Mitchell Avenue have now reopened. All roads are expected to reopen by 8:00 PM. At this time, the only remaining closures are: Curb lane only of Mitchell Ave northbound, just north of Spring Grove, and Curb lane of Spring Grove Ave westbound, from Chickering to Mitchell. Approximately 19 customers are affected, most of whom are businesses. The shutdown area includes: Spring Grove Ave (from Chickering Ave to Mitchell Ave) Mitchell Ave (from Spring Grove Ave to Derby Ave). This remains a controlled shutdown, and no Boil Water Advisory has been issued. Additional updates will be provided if conditions change. ***
UPDATE: Two lanes of traffic in the area affected by the water main break on West Mitchell Avenue have reopened. GCWW expects to have all lanes reopened by about 2 p.m. Wednesday. Crews from Greater Cincinnati Water Works (GCWW) are repairing a 16-inch high-pressure water main that broke late Wednesday morning on West Mitchell Avenue near Spring Grove Avenue in Spring Grove Village. The break has caused some flooding in the roadway and nearby parking lots and is blocking westbound traffic on Mitchell Avenue just after the intersection with Spring Grove Avenue. Motorists are advised to avoid the area until further notice. GCWW will provide updates, including an estimated completion time for repairs, as they become available.
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UPDATE: Two lanes of traffic in the area affected by the water main break on West Mitchell Avenue have reopened. GCWW expects to have all lanes reopened by about 2 p.m. Wednesday. Crews from Greater Cincinnati Water Works (GCWW) are repairing a 16-inch high-pressure water main that broke late Wednesday morning on West Mitchell Avenue near Spring Grove Avenue in Spring Grove Village. The break has caused some flooding in the roadway and nearby parking lots and is blocking westbound traffic on Mitchell Avenue just after the intersection with Spring Grove Avenue. Motorists are advised to avoid the area until further notice. GCWW will provide updates, including an estimated completion time for repairs, as they become available.
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Greater Cincinnati Water Works has issued a Boil Water Advisory (BWA) for a large area in Crosby Township, in effect until 11 p.m. on Friday, July 31, 2026. The BWA was issued following a fire hydrant that blew at the intersection of New Haven Rd. and Paddy's Run Rd. While the event itself is now isolated, it caused a depressurization in the system. The BWA is in effect until 11 p.m. on Friday, July 31, 2026. The area affected is: West: Baughman Rd. and Edgewood Rd. North: Trailhead Place, New Haven Rd. (from 5th Ave. to Crosby Rd.), Wiley Rd., Oriole St., Finch St., and Canary Ave. East: East Miami River Rd. (from Colerain Rd. to Georgetown Rd.) and River Rd. near Crosby Township Park South: Hamilton Cleves Rd. (from New Haven Rd. to Crosby Rd.) and Dry Fork Rd. (from New Haven Rd. to Short Rd.) Map also attached.
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UPDATE - FLOODGATE REOPENED The City of Cincinnati’s Stormwater Management Utility reopened the Madison Road floodgate at Duck Creek near Oakley at approximately 9 p.m. Tuesday, July 21. The floodgate had closed at about 3 p.m. out of an abundance of caution due to weather forecasts calling for additional rain. Traffic flow has now resumed in both directions on Madison Road.
TRAFFIC ALERT The City of Cincinnati’s Stormwater Management Utility closed the Madison Road floodgate at Duck Creek near Oakley at approximately 3 p.m. Tuesday, July 21. The action was taken out of an abundance of caution due to weather forecasts calling for additional rain. Traffic is blocked in both directions at the floodgate, which will remain closed until further notice.
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TRAFFIC ALERT The City of Cincinnati’s Stormwater Management Utility closed the Madison Road floodgate at Duck Creek near Oakley at approximately 3 p.m. Tuesday, July 21. The action was taken out of an abundance of caution due to weather forecasts calling for additional rain. Traffic is blocked in both directions at the floodgate, which will remain closed until further notice.
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GCWW 2025 Water Quality Report Now Available Greater Cincinnati Water Works (GCWW) recently published its annual Water Quality Report, also known as the Consumer Confidence Report. The report shares water testing data showing that GCWW drinking water continues to meet or exceed all federal and state drinking water standards. cincinnati-oh.gov/water/news…
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TRAFFIC DELAYS: The two westbound lanes at 6849 Beechmont Ave. in Anderson Township are closed due to a partial road collapse. A Greater Cincinnati Water Works repair crew installed Controlled Density Fill to repair the hole. A lighted sign and orange cones are helping with traffic control. The two lanes likely will be closed until Wednesday, March 11. #GCWW #Traffic #Repairs
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