Drinking Water Compliance OS

U.S. water systems

Pennsylvania Water Systems

Pennsylvania

4,324 community water systems on record — 1,851 active, 2,473 inactive.

Every active community water system nationwide must produce a Consumer Confidence Report under the EPA's revised rule, effective for reports due July 1, 2027.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Pennsylvania’s official records. Always confirm current status with Pennsylvania before making decisions based on this information.

Counties in Pennsylvania

All community water systems in Pennsylvania