Signal Mountain water and sewer rates

Who supplies water to Signal Mountain houses, what it costs, and how the sewer charge works.

Signal Mountain Water Utility

Town of Signal Mountain water rates inside Town limits (rate change effective with the September 1, 2023 billing); the Town reads meters and bills monthly: a monthly service fee plus a charge per 1,000 gallons

Use a month	Price per 1,000 gallons
Fixed charge	$6.48 a month
0 to more	$8.28

Source: All water is bought from Tennessee American Water, which draws it from the Tennessee River at its Citico Water Treatment Plant in Chattanooga.
Testing: In 2025, testing results met all state and federal drinking water requirements.
Lead: 2025 lead testing: 90th percentile below 1.0 ppb, and 0 of 20 homes sampled above the action level.
Hardness: Hardness averaged 76 ppm (4.4 grains per gallon) in 2025, which the report lists as moderately hard (61 - 120).

Sewer

Hamilton County WWTA bills sewer on water use: $20.45 per 1,000 gallons from October 1, 2026, plus an $8 monthly Private Service Lateral Program fee for gravity-sewer customers. The Town does WWTA's billing.

Ways to pay less

Appeal or lower your stormwater fee. If you disagree with how your stormwater fee was calculated, or want an adjustment for stormwater management practices on your property, you can appeal to the stormwater appeals board. How: File a written appeal stating the grounds within 30 days of the bill that contains the stormwater fee.

Dates

When	What
Mar 1	The Town stormwater fee is paid at Town Hall in person or by mail and becomes delinquent on March 1 of each year.
15th of each month	Town water bills are due on the 15th of each month.

Pay or manage it

Sources

Checked October 21, 2026. Every number here comes from the public sources listed, matched by our checker.

Rates change every year; this page shows when it was last checked. Nothing here is legal, tax or insurance advice.