New rules helping battle zebra mussels

December 14, 2013

In the state’s ongoing effort to combat the spread of invasive zebra mussels, new rules took effect Dec. 10 requiring that all boats operating on public water in 17 Northeast Texas counties, including Hood County, be drained after use.

Under the new regulations, persons leaving or approaching public water in the affected counties are required to drain all water from their vessels and on-board receptacles. This applies to all types and sizes of boats, whether powered or not, personal watercraft, sailboats, or any other vessel used to travel on public waters.

Applicable in all areas where boats can be launched, the regulation requires the draining of live wells, bilges, motors, and any other receptacles or water-intake systems coming into contact with public waters.

Under these rules, live fish cannot be transported in water that comes from the water body where they were caught. Personally caught live bait can be used only in the water body where it was caught, and no off-site tournament weigh-ins would be allowed if live fish are being transported in water from a body in an affected county.

Anyone planning a tournament should check with Texas Parks and Wildlife’s Inland Fisheries Division.

Anglers are allowed to transport and use commercially purchased live bait in water provided they have a receipt that identifies the source of the bait. Any live bait purchased from a location on or adjacent to a public water body that is transported in water from that body could only be used as bait on that same body.

Movement from one access point to another on the same lake during the same day does not require drainage, and there is an exception for governmental activities and emergencies. Marine sanitary systems are not covered by the new regulations.

Lakes Belton and Stillhouse Hollow are covered by an emergency rule extending these same water draining requirements to all public water in Bell and Coryell counties. The department is considering expansion of the recently implemented rules to include Bell, Coryell, and 28 additional counties in North and Central Texas. The department will provide notice and opportunities for public comment on any changes.

Zebra mussels became established in Texas in Lake Texoma in 2009. Last year, they were found in Lake Ray Roberts and the Elm Fork of the Trinity River. More recently, zebra mussels have spread to Lakes Bridgeport, Lewisville, and Belton. They can expand their range even farther by hitching a ride on trailered boats that have been immersed or moored in waters where they have established populations.

The rapidly reproducing mussels, originally from Eurasia, can have serious economic and recreational impact to Texas reservoirs. They can clog public-water intake pipes, harm boats and motors left in infested waters by covering boat hulls, clog water-cooling systems, annoy boat-dock owners by completely covering anything left under water, and make water recreation hazardous because of their sharp edges.

From an environmental perspective, zebra mussels are filter feeders, which mean they compete with baitfish such as shad for available forage. Any impact on baitfish in turn can affect their predators (game fish such as bass, striped bass and catfish).

Zebra mussels also threaten native mussel populations because they will colonize on their shells and essentially suffocate them.


With all the sleet and ice, I have been unable to get a recent report on Granbury. Lake levels are still around 9 feet low. Water temperatures have plummeted and are around the middle 40s. This is a real fast water temperature change and fishing may be best a few days of stabilization.

The warmer waters on Squaw Creek (power plant lake) will draw anglers as soon as roads are passable. Black bass are still reported as good for those that could get out.

Best striper fishing continues to be at Texoma. Cold water techniques on the west end (Red River side) and on the north end up the Washita are best. Best baits are jerk-baits and swimbaits fished slowly.

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