Water is the most local utility in America. Across 630,000+ address checks we've observed thousands of different systems: big city utilities, county districts, private companies and Texas MUDs. Your mailing city doesn't decide your water company; your address does. Enter it above and get the actual system that bills your home.
Free lookup · finds your water & sewer systems for any US address
630,000+ addresses · 50 states · 14,060 ZIP codes · updated Jul 2026
Answers draw on 684,000+ observed U.S. provider assignments, including 630,000+ water checks. How we verify.
Ranked by address-level observations in ZIP codes where this utility was the primary or leading answer.
Enter your address. Get your water and sewer systems, plus electric and gas, in about a minute.
Free · about a minute · your address decides
Electricity has a few thousand utilities nationwide; water has tens of thousands of systems. Most cities run their own, but suburbs and unincorporated areas are served by special districts. Municipal utility districts (MUDs) around Houston, water authorities in the Northeast, county systems in the South and West. Two houses on the same street can genuinely have different water bills.
Sewer usually, but not always, follows water. The lookup returns both, named separately, so you know exactly which accounts to open before move-in.
Open a state hub for coverage maps, then confirm your exact address with the lookup.
Run the lookup. Water territories are the most fragmented of any utility, and mailing city is a poor guide. We name the exact system that bills your address.
Because thousands of small systems barely have a web presence. Districts, MUDs and rural systems among them. Our data comes from address-level checks, not directory listings, so small systems show up too.
A municipal utility district. A small local government that runs water (often sewer and trash too) for a neighborhood, common around Houston and other Texas metros. Your address can say one city while your water bill comes from a MUD.
Type the street. We return water plus the rest of the lineup.
Free lookup · finds your water & sewer systems for any US address
Observation counts on this page come from our address-level mapping database, not from inventing city-wide lists. Data refreshed 2026-07-22. Territories vary address by address. Always confirm yours with the lookup. Read how we verify provider data.