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Derek J. Hennessey
Business Details
Backflow Testing in Southold, New York
Derek J. Hennessey provides professional backflow prevention testing services in Southold, New York. Annual backflow testing is required by most water utilities to protect public water supplies from contamination through cross-connection control compliance. Their services include backflow testing, backflow prevention, serving both residential and commercial properties throughout the Southold area.
Whether you need a routine RPZ valve inspection, backflow prevention device testing, or a certified tester to file compliance reports with your local water authority,Derek J. Hennessey can help. Homeowners, HOAs, and property managers can request a free quote using the form on this page.
Service Area
Serving Southold, New York and surrounding areas.
Derek J. Hennessey
Southold, NY
Quick Facts
LocationSouthold, NY
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Backflow Testing Listed
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Always verify licensing with your local water authority before hiring.