Nexus studies are analyses that illustrate the connection between new development and its impact on city infrastructure and provide a justification for the proposed fee level, and the studies are an area where reforms could help to improve transparency and rein in excessive fees.

收费名册 - Record of fees from each City Department.

〇保育影响费 Childcare Impact Fees are supported by a Keyser Marston Associates study entitled 幼儿保育需求分析 1994年8月. 在一个 后续的审查 11月18日, 2003, Keyser Marston Associates found the fee program identified in the study is still valid. 

City Hall Facility Development Fees - City Hall Facility Development Fees are supported by a Nexus Study entitled Analysis of the Impacts of Development on 火, 警察 and Corporation Yard Facilities by Citygate Associates, revised October, 2005.

Corporation Yard Facility Development Fees - Corporation Yard Facility Development Fees are supported by a Nexus Study entitled Analysis of the Impacts of Development on 火, 警察 and Corporation Yard Facilities by Citygate Associates, dated June 1, 2005.

排水影响费- Drainage Impact Fees are supported by a study entitled Southport Drainage Impact Fees by Borcalli and Associates dated July 2, 1996. Fees in this study were updated by a Borcalli and Associates report dated May 11, 2001, entitled Southport Drainage Master Plan and again by a Wood Rodgers technical analysis titled Southport Drainage Subbasin MC11, Analysis for Combining Drainage with Subbasin MC10，日期为2004年4月15日. 

火 Facility Development Fees - 火 Facility Development Fees are supported by a Nexus Study entitled Analysis of the Impacts of Development on 火, 警察 and Corporation Yard Facilities by Citygate Associates, dated June 1, 2005. 

洪水代替费- 第15章.50 of the 西萨克拉门托市 城市代码 provides that developers demonstrate that, 入住前, new structures have two-hundred-year flood protection through either: (i) the construction of flood improvements or other mitigation measures beyond those otherwise required by the City’s Flood Plan Management Ordinance (Title 18); or (ii) the payment to the City of an in-lieu fee. The various amounts of these in-lieu fees are supported by a study entitled West Sacramento Flood Protection In-Lieu Fee Study，经济学家 & Planning Systems, dated April 11, 2007. 

I-5 Subregional Corridor Mitigation Fees - Under this voluntary fee program, a project applicant whose project traffic reaches or exceeds the “threshold of significance” of 100 peak period automobile trips, and is not exempt from mitigation traffic impacts under CEQA, or due to a prior agreement with the City, may choose to pay the fee in lieu of preparing a traffic model analysis of the mainline freeway impacts. The various amounts of these I-5 Subregional Corridor Mitigation fees are supported by a study entitled Nexus Study for the I-5 Subregional Corridor Mitigation Program, by DKS, dated January 2016.

公园影响费 Fees are supported by a PROS Consulting study entitled 公园, 娱乐 and Open Space Master Plan, dated October 2021, with development costs reflecting ENRCCI 6605. 7月31日, 2003, the 市议会s of both West Sacramento and Sacramento approved the Sacramento Riverfront Master Plan Update. The costs and associated fees have been updated based on the19 Interim 交通 and Park Impact Fee Study, prepared by the 西萨克拉门托市 and Economic & 规划系统公司. (2010年2月).

警察 Facility Development Fees - 警察 Facility Development Fees are supported by a Nexus Study entitled Analysis of the Impacts of Development on 火, 警察 and Corporation Yard Facilities by Citygate Associates, dated June 1, 2005. 

污水渠接驳费- The sewer connection fees are supported by the Wastewater System Master Plan 2015 Update，日期为2017年8月. 

〇交通影响费 交通 Impact Fees are supported by a study entitled 2005 交通 Impact Fee Study Update, prepared by DKS Associates and the Interim 交通 and Park Impact Fee Study, prepared by the 西萨克拉门托市 and Economic & 规划系统公司. (2010年2月). 

水接驳费 The water connection fees are supported by the Water System Master Plan 2015 Update，日期为2017年8月.