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 23 other rate areas (Brice, Brookside Estates, Dublin, …) pay different rates.

Extracted by: Audit · Claude Opus 5.5 · 10/10/2026
Source:
Service charge, 5/8": $12.45
First 5 CCF at $4.448: $22.24
Next 3.021 CCF at $4.932: $14.90
Total: $49.59/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 · OH

COLUMBUS PUBLIC WATER SYSTEM Water Rates

COLUMBUS PUBLIC WATER SYSTEM supplies water to about 1.3 million people in Columbus, Dublin, and 6 other places in Ohio. A typical household using 6,000 gallons a month pays an estimated $49.59 in the main service area, 15% below the national average.

Rates effective 2026-01-01

Updated Oct 2026

How much does water cost provided by COLUMBUS PUBLIC WATER SYSTEM?

Monthly Rate

$49.59 / month
Read and audited by AI against the official rate schedule ·

This bill is for the main service area; customers in 23 other rate areas (Brice, Brookside Estates, Dublin, …) pay different rates.

How the bill adds up

Service charge
5/8 inch meter
$12.45
Water used
5 ccf × $4.448/ccf
$22.24
Water used
3.021 ccf × $4.932/ccf
$14.90
Total $49.59

How does COLUMBUS PUBLIC WATER SYSTEM'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 COLUMBUS PUBLIC WATER SYSTEM 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

1,305,946

Where does COLUMBUS PUBLIC WATER SYSTEM's water come from?

Supply and provider classification from EPA records.

Primary Source
Surface Water
Provider Type
Local Govt
PWSID
OH2504412

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 COLUMBUS PUBLIC WATER SYSTEM's customers?

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

Water Burden

0.7% 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 COLUMBUS PUBLIC WATER SYSTEM'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 · 10/10/2026
Confidence label: Model verified

Spot an error, or have a newer rate schedule?