Drinking Water Compliance OS

U.S. water systems

Delaware Water Systems

Delaware

440 community water systems on record — 207 active, 233 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 Delaware’s official records. Always confirm current status with Delaware before making decisions based on this information.

Counties in Delaware

All community water systems in Delaware