Boston Water and Sewer Commission Private Lead Replacement Incentive Program Because lead is known to cause serious health problems, BWSC offers up to $4,000 towards the cost to replace any private water service pipes containing lead. This is the portion running from the property line into the building for which building owners are responsible. For information, or to apply, call the Lead Hotline at 617-989-7888. Eligible property owners may also take advantage of BWSC's 60-month interest- free payment plan on any replacement work balance. Boston Water and Sewer Commission Private Lead Replacement Incentive Program Because lead is known to cause serious health problems, BWSC offers up to $4,000 towards the cost to replace any private water service pipes containing lead. This is the portion running from the property line into the building for which building owners are responsible. For information, or to apply, call the Lead Hotline at 617-989-7888. Eligible property owners may also take advantage of BWSC's 60-month interest- free payment plan on any replacement work balance.