The Buffalo Water Authority has issued letters to city residents about the status of drinking water pipes.

According to Buffalo Water officials, they have released 34,115 Known Lead Service Line Letters, 35,705 Unknown Service Line Letters and 118 Galvanized Requiring Replacement Letters.

That status will either be a Known Lead Service Line, a Galvanized Required replacement line or an unknown service line.

Residents with an unknown service line are asked to fill out the service line survey. The survey is available at getwaterwisebuffalo.org.

Residents concerned about lead water levels can dial 311 or 716-847-1065, extension 133, for a water test kit.