Early access · Rate data is actively expanding · Verify current rates with your utility
whatwatercosts.org

Have a more current rate document? Submit the URL and we'll update our data.

How we calculated this

Read by an AI agent (a large language model) from the utility's official rate schedule, then audited by a second model against the same schedule. This bill is for the main service area; customers in 1 other rate area (Circle City) pay different rates.

Extracted by: Audit · Claude Opus 5.5 · 11/07/2026
Source:
Base charge, 5/8" meter: $31.77/mo
Usage: 6,000 gal × $2.61 per 1,000 gal = $15.66
Total: $47.43/mo

Leaving whatwatercosts.org

You're about to open the source document we used to extract this utility's rate data.

Open ↗
← Back

Utility profile · AZ

SURPRISE CITY OF - MOUNTAIN VISTA Water Rates

SURPRISE CITY OF - MOUNTAIN VISTA supplies water to about 40,000 people in Surprise, Arizona. A typical household using 6,000 gallons a month pays an estimated $47.43 in the main service area, 19% below the national average.

Rates effective 2026-07-01

Updated Nov 2026

How much does water cost provided by SURPRISE CITY OF - MOUNTAIN VISTA?

Monthly Rate

$47.43 / month
Read and audited by AI against the official rate schedule ·

This bill is for the main service area; customers in 1 other rate area (Circle City) pay different rates.

How the bill adds up

Service charge
0.625 inch meter
$31.77
Water used
6,000 gal × $2.61/kgal
$15.66
Total $47.43

How does SURPRISE CITY OF - MOUNTAIN VISTA's water cost compare to its regional neighbors?

Monthly cost (6k gal) vs up to 10 nearest utilities with published rates. Click to navigate.

Where does SURPRISE CITY OF - MOUNTAIN VISTA provide service?

Population served and the municipalities covered by this utility's service area.

Boundaries from the EPA Water System Service Areas dataset. Not all utilities have mapped boundaries.

Population Served

40,007

Municipalities served

Where does SURPRISE CITY OF - MOUNTAIN VISTA's water come from?

Supply and provider classification from EPA records.

Primary Source
Groundwater
Provider Type
Local Govt
PWSID
AZ0407500

Named intake/well source and interconnections (who this utility buys from or sells to) aren't captured yet — tracked separately for a future update.

Is water affordable for SURPRISE CITY OF - MOUNTAIN VISTA's customers?

Annual bill as a share of median household income in the service area.

Water Burden

0.6% of income (annual)
of median area income · affordability threshold: 2%

We don't yet systematically track whether a utility offers income-based or sliding-scale pricing separate from its standard rates — tracked separately for a future update.

Where did this data come from?

This rate was extracted from SURPRISE CITY OF - MOUNTAIN VISTA's published tariff document by an AI research agent, then checked against a validation checklist before publishing. See the full methodology for how every utility on this site is sourced and scored.

Provenance

Extracted by: Audit · Claude Opus 5.5 · 11/07/2026
Confidence label: Model verified

Spot an error, or have a newer rate schedule?