The Water Authority of Dickson County establishes rate structure based on an extensive cost-of-service study:
Water
Tier 1 (Effective January 1, 2018) — First 500,000 gallons
- Customer charge of $6.10 for water service based on the Authority's fixed costs, and
- $6.85 per thousand gallons water used.
Tier 2 (Effective January 1, 2020) — Usage from 501,000 up to 2,000,000 gallons
- $6.15 per thousand gallons water used.
Tier 3 (Effective February 1, 2021) — Usage exceeding 2,000,000 gallons
- $5.00 per thousand gallons water used.
Sewer (Effective February 1, 2021)
- Customer charge of $6.50 for sewer service based on the Authority's fixed costs, and
- $8.50 per thousand gallons for sewer discharged.