How much will I have to pay in WDO Fees? (WDO Fees)
  • The WDO Application helps Applicants estimate the water demand for each element of each project and the resulting WDO Fee. 
  • The fee structure, current through December 31, 2024, is outlined in the table below. This is derived from the most recent Fee Study, available on Santa Rosa’s WDO webpage here. The City will adjust the fees for inflation on an annual basis at the beginning of each calendar year (January 1).


Type of Development


Residential Per Housing Unit

Single Family Residential

  •         Small Lot (6,000 sq. ft. and under)


  •         Large/Medium Lot (over 6,000 sq. ft. to 1 acre)


  •         Large Lot (over 1 acre)


Duplexes and Triplexes per unit


Condos, Apartments, Mobile Homes per unit

  •        With separate irrigation service


  •        Without separate irrigation service


Eligible ADUs, Senior Housing, Single Room Occupancy, and Small, High-Density Apartments per unit*


Commercial, Industrial, Institutional and Irrigation (CII) 

Per thousand-gallon unit (TGAL) per month


*Applies to ADUs that are subject to Demand Fees (larger than 750 square feet). Small, High-Density apartments are 750 square feet and smaller.

Show All Answers

1. Does the Water Demand Offset (WDO) Policy apply to my project? (Applicability and Compliance)
2. If the WDO Policy applies to my project, how do I comply? (Applicability and Compliance)
3. Where do I find the WDO Application? (Applications and Agreements)
4. When and where do I submit my WDO Application? (Applications and Agreements)
5. What if my project site has a water service with water connection credits? Do the Water Demand Offset requirements still apply to my project? (Applications and Agreements)
6. Are processing fees required for the WDO Application? (Applications and Agreements)
7. How do I obtain a WDO Agreement? (Applications and Agreements)
8. What if I disagree with the final requirements in the Agreement? (Applications and Agreements)
9. How much will I have to pay in WDO Fees? (WDO Fees)
10. When do I have to pay the WDO Fees or complete my City approved alternative compliance method for achieving offsets? (WDO Fees)
11. How will WDO Fees be used to achieve water demand offsets? (WDO Fees)
12. Is there an opportunity to reduce WDO Fees once they are included in the WDO Agreement? (WDO Fees)
13. Can I propose an alternative compliance method to achieving water demand offsets, instead of paying a WDO Fee? (Alternative Compliance)
14. What is required for an alternative project? (Alternative Compliance)
15. When do I have to complete the alternative compliance project? (Alternative Compliance)
16. How much will I have to pay for this alternative compliance method instead of paying the WDO Fees? (Alternative Compliance)
17. What has the City done to plan for the long-range water needs of our community? (Background and Additional Information)
18. What has the City done to prepare for water shortages? (Background and Additional Information)
19. How many water shortage stages does the Santa Rosa have? (Background and Additional Information)
20. How does the City respond to water shortage Stages 1-4 (10% to 25% shortage)? (Background and Additional Information)
21. How does the City respond to severe water shortage Stages 5-8 (30% or greater)? (Background and Additional Information)