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Suffolk outlines field plan to verify lead service‑line inventory required by EPA
Summary
Public Utilities staff said Suffolk will conduct vacuum‑excavation test holes at roughly 400 residences, using predictive modeling and door‑hanger/mail notifications, to verify service‑line materials needed for a 10‑year replacement plan under EPA rules; inspections take about 30 minutes and do not interrupt water service.
Suffolk’s Department of Public Utilities presented the city’s plan to verify water service‑line materials as required under the U.S. Environmental Protection Agency’s lead service‑line inventory rules.
Paul Rettell, director of public utilities, told council that the city submitted its initial inventory in October 2024 and must now verify lines listed as 'unknown.' Using a predictive computer model (consultant CDM Smith) to target high‑probability areas, the city plans multiple rounds of field verification involving vacuum excavation test holes.
Rettell described the process: contractors will vacuum‑excavate a roughly 12‑inch‑diameter test hole adjacent to the meter, document materials on both the public and customer sides with photographs and records, then restore the site. He said the inspection takes about 30 minutes, will not interrupt water service and the customer does not have to be present. Mailers will be sent and door‑hanger notices placed roughly one week before work at a residence.
Rettell clarified that while the city will recommend owners replace questionable private‑side plumbing, current federal rules do not require the city to compel replacement of internal household plumbing. Council member Richter asked whether meter‑box inspection alone is sufficient; Rettell explained that meter‑setter devices can mask the true pipe material and that vacuum excavation is needed for conclusive verification.
The presentation said the field verifications will focus initially on about 400 residences identified as unknown in the inventory; subsequent model iterations will narrow target areas and guide a longer‑term replacement program required by EPA.
