Assessment and Rates

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The Stormwater Environmental Utility Service Assessment is an assessment levied to fund:
  • Customer service. 
  • Planning. 
  • Utility wide operations.
  • Maintenance activities of the utility.

The Sarasota County Commission approves the service assessment rates annually during the budget preparation and adoption process. Public hearings are held to obtain input for residents

FY 2018 Rate Structure Service Assessments

The customer service assessment is a uniform amount for all parcels in the Stormwater utility area. (See FY 2018 Rate Structure Service Assessments table below).
 
We base the utility-wide operating assessment on the Equivalent Stormwater Units (ESUs) of each parcel (with a .5 ESU minimum). This assessment applies to all parcels in the Stormwater Utility Area. (See FY 2018 Rate Structure Service Assessments table below).
 
We apply the maintenance assessment only within the utility maintenance area. The utility maintenance area includes the more developed areas within the county and the City of Sarasota. Although it includes some county maintained enclaves, the Myakka River basin is considered a non-maintained basin. (See FY 2018 Rate Structure Service Assessments table below).

 

FY 2018 Service Assessments

Rates

Customer Service- per parcel $3.10/Parcel
Utility-wide Operating - per ESU (.5 minimum) $23.10/ESU
Maintenance - per ESU (Maintenance Area Only) $64.45/ESU
1 ESU Total $90.65
  
How assessment bills are calculated - Assessment Methodology
We bill all parcels based on the estimated stormwater runoff generated by the parcel and passed to the county stormwater system. To simplify billing, we have seven major parcel classifications that we use to assign property owners the appropriate number of ESUs.

Property Classifications

Each property in the stormwater service area is assigned to one of the following categories:
  1. single family residential.
  2. single family vacant lot.
  3. mobile home parcel.
  4. duplex parcel.
  5. condominium residential.
  6. condominium nonresidential.
  7. general parcels.
We subdivide the single-family residential and single-family vacant parcels into small, medium, and large categories, with rate factors according to their size. The ESU calculations for each type of parcel are in the tables below.

 

Equivalent Stormwater Units (ESU) Calculations

Parcel Type

ESUs

Small Single Family Residential
(< 8,100 square feet)

0.9

Medium Single Family Residential
(8100 - 14,600 square feet)

1

Large Single Family Residential
(> 14,600 square feet)

1.7

Small Single Family Vacant Lot
(< 8.100 square feet)

0.3

Medium Single Family Vacant Lot
(8,100 – 14,600 square feet)

0.4

Large Single Family Vacant Lot
(>14,600 square feet)

1

Mobile Home

0.7

Duplex

Calculated the same as a single family parcel of equal size

Condominium Residential

Effective Impervious Area of Parcel + Pro Rata Share of Common Areas (cannot exceed 1.7)

Condominium Nonresidential

Effective Impervious Area of Nonresidential Areas (excluding streets) is divided pro-rata among condominium owners

General Parcels

Effective Impervious Area divided by 3,153

 
Single Family Residential – Tier approach based on lot size Rate Structure – FY2018 Residential Tiers
 

Developed Residential Property

Tier

Lot size

ESU

FY2018 $

Small

Less than 8,100 square feet

0.9

$81.90

Medium

8100 square feet to 14,600 square feet

1

$90.65

Large

Greater than 14,600 square feet

1.7

$151.94

 
Vacant Residential Property
Tier Lot size ESU
FY2018 $
Small Less than 8,100 square feet
0.3
$33.99
Medium 8100 square feet to 14,600 square feet 0.4 $40.43
Large
Greater than 14,600 square feet
1
$90.65

 

Customer service activities include:

  • Accounting.
  • Assessment. 
  • Collections.
  • Database management functions.

Planning and Operation activities include: 

  • basin master planning.
  • engineering services.
  • inspection programs.
  • development plan review. 
  • system design.
  • general management.

Maintenance activities include: 

  • routine ditch and canal clearing. 
  • ditch and canal mowing. 
  • removal of vegetation from drainage ways.
  • herbicide application to control vegetation growth.
  • cleaning, repair and replacement of storm sewers. 
  • and small-scale construction projects.