whatwatercosts.org
2026-09-25
September update
We now cover more than 4,300 utilities, added city, county, and ZIP search, and are now fiscally sponsored by the Policy Simulation Library Foundation.
2026-09-25
We now cover more than 4,300 utilities, added city, county, and ZIP search, and are now fiscally sponsored by the Policy Simulation Library Foundation.
2026-08-11
We adopted an OWRS-style rate structure, are prepping a public data feed, and shipped a round of map and filtering improvements.
2026-08-11
Why we're adding monthly updates, and what to expect here.