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Stormwater

Proposed 2019 Residential Rate Changes

In 2019, a typical residential customer, based on average annual use, could expect to see an increase of approximately $3.76/month.

Electric: Average 5 percent increase (varies slightly by rate class), with 3.6 percent for electric distribution infrastructure improvements, and 1.4 percent for increased wholesale power costs.

  • Proposed increase for the TOD Rate: 4.8 percent
  • Proposed increase for the Electric Heat TOD Rate: 4.1 percent

Water: Rate increases are not anticipated in 2019.

Wastewater: Rate increases are not anticipated in 2019. 

Stormwater: 2 percent increase for infrastructure improvements.



Rates pay for construction and maintenance of Fort Collins' stormwater system, which helps protect residents and businesses during storms and floods. All developed properties within city limits pay stormwater rates, which are based on:

  • Lot Size - lot area in square feet, plus the customer's share of open space in the development, if applicable
  • Base Rate - $0.0043526
  • Rate Factor - based on the percentage of impervious area (surfaces that do not absorb water) such as buildings, parking lots and concrete

Formula for Estimated Monthly Rates:

  • Single-family Lots Under 12,000 Square Feet
    Monthly Rate = Lot Size x $0.0043526 x Rate Factor
  • Single-family Lots Over 12,000 Square Feet*
    Monthly Rate = 12,000 x $0.0043526 x Rate Factor plus (Lot Size - 12,000) x $0.0043526 x Rate Factor x 0.25
    *These lots receive a reduction in fees on that portion of the lot greater than 12,000 feet.
  • Duplex and Multi-Family Lots
    Monthly Rate = Lot Size x $0.0043526 x Rate Factor

Rate Factor Percent of
Impervious Area
Rate Factor Category
(based on land use)
.25 0 - .30 Very Light
.4 .31 - .50 Light**
.6 .51 - .70 Moderate
.8 .71 - .90 Heavy
.95 .91-1.0 Very Heavy

**typical for residential

Effective on or after Jan. 1, 2018.

Service charges may apply.

View additional information about rate codes.



Learn how to read your Fort Collins Utilities bill.