# What water systems charge

URL: /water-rates/
Pages: 1

> **Cite as:** Municorn.us, "What US water systems charge, by state", Municorn water loss index, https://municorn.us/water-rates/ (source filings retrieved 2026-09-10).
> **Licence:** CC BY 4.0 — https://creativecommons.org/licenses/by/4.0/ — reuse and redistribution are permitted with attribution to Municorn.us and a link to this URL.
> **Caveat that must travel with these figures:** "Water loss" is at least three different quantities depending on the jurisdiction, and nothing here supports a comparison between states.

The monthly residential bill at 4,488 gallons, computed from the fixed charge and the tiers each system filed with its own regulator.

## By state

- [California](https://municorn.us/water-rates/california/) — 705 system priceds

One state so far: California is the only regulator in this corpus that publishes a residential rate structure per system. A bill here is computed from a filed tariff and is not a quote — what a household pays depends on how much it uses.

_Municorn.us · https://municorn.us/water-rates/ · CC BY 4.0 https://creativecommons.org/licenses/by/4.0/ · source filings retrieved 2026-09-10_