Water filter service in Erie, PA

What is in the water in Erie

Erie is served by Erie Water Works .

Source water: Lake Erie exclusively, drawn through two intakes. The allocation permit caps total withdrawal at 62 million gallons a day, with 32 million available through the Chestnut Street intake and up to 56 million at the West plant, subject to that combined ceiling. Around 24 million gallons a day is actually delivered, serving roughly 220,000 people across Erie County. The utility dates from 1865 and the works first operated in November 1868, which makes this one of the older continuously operating municipal supplies in the region. Since 1 January 1992 it has run as Erie Water Works, with a board of commissioners operating independently of city government rather than as a city department. Reported by Erie Water Works for 2024.

Raw lake water is treated at either the West plant, also called Sommerheim, or the Chestnut Street plant, both using sand filtration, chemical treatment and chlorination. Drawing from a Great Lake rather than a river or reservoir brings its own characteristics: the lake is large enough to buffer short-term weather, but Erie is the shallowest of the Great Lakes, so it warms and responds to seasonal change faster than the deeper lakes do. There is also a legal constraint on where this water may go. Under the 1986 federal water resources legislation, Lake Erie water is protected from diversion outside the Great Lakes drainage basin, so the utility's service area is limited to the part of the county that drains into the lake. A practical consequence of the two-plant arrangement is that which plant serves your address affects what reaches your tap, so if you are comparing a test result against the published figures, check which side of the system you are on first.

These figures describe the distribution system. Your own tap can differ, and for lead it very likely does.

We do not yet hold a sourced figure for every field on this page. Where something is missing it is left blank rather than estimated, because an unsourced number here would look like information.

Buildings and plumbing in Erie

PFAS in Erie

Scale is the relevant fact here. Lake Erie holds enough water to dilute a given discharge far more than a reservoir or a shallow aquifer could, and that generally works in this supply's favour. Dilution is not absence, though, and the only thing that settles the question is the measured result in the current report. Two cautions specific to Erie. First, the Erie Water Works of Pennsylvania is a different organisation from the Erie County Water Authority in New York, which draws at Sturgeon Point and from the Niagara River; results from one say nothing about the other, and search engines confuse them constantly. Second, a lake this shallow responds quickly to conditions in its own basin, so a result from several years ago is weaker evidence here than it would be on a deep, slow-turnover source.

Source: Pennsylvania Department of Environmental Protection, 2025. More on confirming and treating this on our PFAS page.

What this means in practice

• Chlorine and chloramine taste. Confirm with free and total chlorine test strip, plus the utility report for the disinfectant type.
• PFAS. Confirm with certified laboratory analysis using an epa-approved pfas method.

Filters that apply here

• PFAS reduction systems. Reverse osmosis or a certified activated carbon system aimed at per- and polyfluoroalkyl substances.
• Under-sink carbon filters. A carbon block cartridge on the cold line under the sink.
• Reverse osmosis, tank. A membrane system under the sink that produces treated water to a dedicated tap and stores it in a small pressure tank.
• Whole-house filtration. A filter plumbed into the main line where water enters the building, so every tap, shower, and appliance downstream is fed treated water.
• Sediment filters. A mechanical filter that captures sand, silt, rust flakes, and other particles.

Installation in Erie

• Free water testing. Typically 45 to 60 minutes.
• Whole-house filter installation. Typically 3 to 5 hours.
• Under-sink reverse osmosis installation. Typically 2 to 4 hours.
• Repair, any brand. Typically 1 to 3 hours.

Renters, co-ops, and businesses

• Options for renters
• Co-ops and condos
• Offices and commercial sites

Local programmes

• Erie Water Works annual report and service line lookup. The authority publishes its yearly results and maintains the service line inventory the federal rule requires. Because the board operates independently of city government, this is the body to contact about your supply rather than the city.

Nearby areas

• Pittsburgh, PA , Allegheny County
• Harrisburg, PA , Dauphin County
• Lancaster, PA , Lancaster County

Sources

• Erie Water Works, 2024.
• Pennsylvania Department of Environmental Protection, 2025.
• Population: US Census Bureau sub-county population estimates, Vintage 2024 (POPESTIMATE2024).