Cottage Grove water and sewer rates
Who supplies water to Cottage Grove houses, what it costs, and how the sewer charge works.
City of Cottage Grove
City of Cottage Grove, billed monthly: $28.79 fixed rate for a 5/8" x 3/4" meter inside city limits, then $2.28 (1 to 5,999 gallons), $2.81 (6,000 to 15,000 gallons) and $3.19 (over 15,000 gallons) in volume rates.
| Use a month | Price per 1,000 gallons |
|---|---|
| Fixed charge | $28.79 a month |
| 0 to 6 thousand gallons | $2.28 |
| 6 to 15 thousand gallons | $2.81 |
| 15 to more | $3.19 |
- Source
- Surface water from an intake facility on the Row River
- Disinfection by-products
- The 2023 report lists total trihalomethanes (TTHM) in a range of 13.9 - 42.1 ppb
Sewer
City of Cottage Grove residential inside city limits: a $16.82 monthly base charge plus $8.65 per 1,000 gallons from mid-November through mid-March. From mid-April through mid-October the bill is the lesser of the winter average or current water use.
Other charges on the utility bill
- Water system improvement or debt retirement (5/8" meter, inside city): $24.54 a month
- Wastewater system improvement or debt retirement (5/8" meter, inside city): $27.16 a month
- Storm drainage system improvement or debt retirement (single-family, one ESU): $6.40 a month
- Storm drainage (single-family, one ESU): $6.35 a month
Checked October 22, 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.