Quick answer
For water damage in McLendon-Chisholm, TX, shut off your main valve first, or turn off the well pump breaker if you are on a private well. RCH's after-hours line is 325-266-8366; check your bill for your provider. Then call a water damage restoration company; drying should start within 24 to 48 hours. Texas insurers must acknowledge your claim within 15 days.
Do this first
Local water and septic lines.
The Rockwall County flash flood table is on the Heath page.
- Shut off the water. Close the valve at your meter box. RCH, Blackland, or High Point supplies your water depending on your address; the name is on your bill. RCH's after-hours line is 325-266-8366.
- Make it safe and document it. Cut power to wet rooms from a dry spot, photograph the damage, then report the claim.
- Start drying within 24 to 48 hours. About 60% of homes here were built since 2010. In a new home, ask for moisture readings behind cabinets and baseboards near the leak, since water spreads under flooring fast.
In a heavy storm, never drive into water over a road. Six inches of moving water can knock an adult down, and a foot can float a car.
What to know about water damage in McLendon-Chisholm
40,000
Gallons of sewage crews removed after a sewer main break near City Hall in June 2025, found during an odor check. The repair took about four hours.
Source: City of McLendon-Chisholm
Two family settlements
The town began as McLendon's and Chisholm, each named for a landowning family of the early 1850s. P. A. McLendon's store, cotton gin, and blacksmith shop, built about 1870, ran until 1975.
Rockwall, Chisholm and Heath
RCH originally stood for Rockwall, Chisholm and Heath. The nonprofit water supply corporation was incorporated in 1961 and buys wholesale water from the City of Rockwall.
Rain at Rockwall
The NOAA station at Rockwall, about 5.6 miles away, averages 37.48 inches of rain a year, with about 11 days of an inch or more.
Homes in McLendon-Chisholm
About 98% are owner-occupied, the median home dates to 2013, and the median value is about $629,400.
Check your ZIP
Flash flood warnings in Rockwall County
The National Weather Service issued 25 flash flood warnings that included Rockwall County from 2016 through November 12, 2026. The year-by-year count is on the Heath page.
Cost and insurance in McLendon-Chisholm
How much does water damage restoration cost in McLendon-Chisholm?
Most jobs run $450 to $16,000 (Angi). Storm water that flows in from outside is a flood claim. Large new homes need readings in every room near the leak.
Water removal and restoration in McLendon-Chisholm
The company that answers handles supply line and ice maker leaks in newer homes, water heater failures, sewer or septic backups, burst pipes in hard freezes, and storm water at low doors, plus burst pipes, appliance leaks, drying, and septic backups.
McLendon-Chisholm questions
Which water company serves my McLendon-Chisholm home?
RCH Water Supply Corporation, Blackland Water Supply Corporation, or High Point Special Utility District, depending on your address. RCH is 972-805-1950, or 325-266-8366 after hours.
What happened with the 2025 sewer main break?
On June 17, 2025, code enforcement found sewage in a ditch near City Hall. Crews fixed the main in about four hours and removed more than 40,000 gallons of sewage.
How fast has McLendon-Chisholm grown?
The 2020 census counted 3,562 people, up from 1,373 in 2010.
Which ZIP codes does this page cover?
The McLendon-Chisholm part of ZIP 75032. That ZIP also covers parts of Rockwall and Heath.
Related guides
Other Texas towns- Water mitigation vs. restoration
- Sewage backup: what to do first
- Burst pipe repair cost
- Texas insurance claim deadlines, in plain English
- Frozen and burst pipes: what to do
- Does homeowners insurance cover water damage?
- How long water damage takes to dry
Local phone numbers checked November 2026: