The 5th District covers northwestern Brookhaven Town south to Stony Brook and Terryville.

Environmental issues are in the forefront in the district which encompasses Port Jefferson, a harbor area with a rich history, strong waterfront economy and vibrant downtowns. Incumbent Democrat Steven C. Englebright , 79, of Setauket, is being challenged by Republican Laura M. Endres, 54, of South Setauket.

Englebright, a geologist by training, brings 30 years of experience in the state Assembly where he was the leading environmental protection advocate. Now again working on the county level, his extensive knowledge about water quality is especially important as Suffolk embarks on an ambitious plan to upgrade its sewer and septic systems.

Endres, an attorney and former Suffolk deputy county cler

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