Flood Zones in Wharton County, Texas

The Colorado River's flood record, in real numbers

Wharton County's flood exposure has a specific, documented recent benchmark: during Hurricane Harvey in August 2017, the Colorado River crested at 50.46 feet in the city of Wharton -- more than 11 feet above flood stage, and the highest level the river had reached since 1913. The flooding wasn't confined to the river's immediate banks: widespread inundation from both the Colorado and San Bernard Rivers closed US Highway 59 between Hungerford and El Campo, put crop land near Eagle Lake under water, overtopped levees along the Colorado River at Bay City, and flooded neighborhoods including Hobben Oaks, Bear Bottom, Elm Grove, River Valley, and Pecan Valley. An estimated 2,000 homes and businesses across the county were damaged or destroyed.

That single storm sits on top of a longer pattern that FEMA's own claims data captures: Wharton County has recorded 1,165 National Flood Insurance Program (NFIP) claims since 1978, totaling $51.5 million in payouts. That is a meaningful volume of repeated flood loss for a rural county, and it reflects the Colorado River's tendency toward major flooding well beyond the 2017 event -- this is a river with a documented history of damaging floods, not a one-time disaster.

How the county has responded, and what it means for a specific parcel

Wharton participates in FEMA's Community Rating System (CRS), a voluntary program that recognizes floodplain management practices exceeding NFIP's minimum requirements, currently holding a Class 9 rating that qualifies property owners in the Special Flood Hazard Area for a modest discount (up to 5%) on NFIP flood insurance premiums. Separately, in the aftermath of Hurricane Harvey, Wharton County developed CDBG-DR (Community Development Block Grant -- Disaster Recovery) buyout program guidelines, using the 100-year floodplain as adopted under NFIP as the basis for identifying properties eligible for acquisition -- a program aimed specifically at repeatedly flooded properties rather than a one-time post-storm gesture.

• Before buying near the Colorado River, San Bernard River, or any tributary in Wharton County, pull the current FEMA Flood Insurance Rate Map (FIRM) for the specific parcel -- don't rely on a neighborhood's general reputation, since the 2017 event showed flooding extending well beyond the immediately obvious riverbank.
• Ask directly whether the specific property has an NFIP claims history; a parcel with prior claims, or one identified as a repetitive-loss property, carries different insurance-cost and, potentially, buyout-eligibility implications than one without.
• If a parcel sits in or near an area affected by the county's CDBG-DR buyout program, confirm its current status with the county -- a property that has been approved for buyout, or is under review, is a materially different purchase than one that isn't.
• Because Wharton holds a CRS Class 9 rating, current NFIP policyholders in the Special Flood Hazard Area get a modest premium discount, but Class 9 is a middle-of-the-scale rating (Class 1 is the best, Class 10 means no discount) -- factor realistic insurance costs into a purchase decision rather than assuming the discount is substantial.