Exemption from the Ownership and Full-Cost Pricing Provisions of Federal Reclamation Law
2025-26 Water Rates & Charges
November 18, 2025 (55% Mid-Year)
Retroactive to March 1, 2025
Table References ([1],[2], etc) are available at the bottom of the page
Acronym Legend
- NASL -Naval Air Station Lemoore
- AC – Acre
- EA – Each
- AF – Acre Foot or Acre Feet
Agricultural Water Rates
United States Bureau of Reclamation [1]
| Description | Cost of Service |
|---|---|
| Water Rates | $34.19 |
| Restoration Fund | $13.64 |
San Luis Delta Mendota Water Authority [2]
| Description | Cost of Service |
|---|---|
| Authority O&M – 55% | $51.30 |
Westlands Water District [3]
| Description | Cost of Service |
|---|---|
| District O&M – 55% | $45.12 |
| Water Exchange Obligation [4] | $0.26 |
| SWRCB Water Rights Fee – 55% | $2.73 |
| Total Agricultural Water Rate | $147.24 |
| Transfer Out O&M Credit – 55% | $(6.99) |
Municipal and Industrial Water Rates
| Description | Cost of Service |
|---|---|
| Acquired Supply | $207.55 |
| Acquired Supply -NASL | $826.93 |
Land Based Charges
| Description | Amount | Unit |
|---|---|---|
| District Water Supply D.S. – Area 1 | $2.10 | AC |
| District Water Supply D.S. – Area 2 | $4.88 | AC |
| Extraordinary Repairs of Pipe – Area 1 and Area 2 | $2.91 | AC |
| Drainage Service Area | $1.49 | AC |
| Westlands Water Quality Coalition | $2.61 | AC |
| Sustainable Groundwater Management Act | $1.41 | AC |
| USBR Capital Repayment Debt Service [10] | $26.16 | AC |
Sustainable Groundwater Management Act
| Description | Amount | Unit |
|---|---|---|
| Service Charge Per Groundwater Well Location | $4,700.00 | EA |
Usage Charges
| Description | Amount | Unit |
|---|---|---|
| Overuse of Water Supply | $524.00 | AF |
| Administrative Fee [5] | $329.07 | Mile |
| Benefit Assessment Irrigation [6] | $12.87 | AC |
Groundwater Management Program & Temporary Facilities
| Description | Amount | Unit |
|---|---|---|
| Groundwater Management Program | Varies by Facility | AF |
| Temporary Facilities Surcharge | Varies by Facility | AF |
| Temporary Facility Credit [7] | $(7.59) | AF |
Account Monitoring Charges
| Description | Amount | Unit |
|---|---|---|
| Overuse Monitoring | $11,745.00 | EA |
| Delinquent Payment Monitoring | $73.00 | EA |
| Advanced Payment Monitoring | $79.00 | EA |
| Meter Turn Off for Use Without Order | $855.67 | Per Lateral |
Municipal and Industrial
Parcel Information Requests Fees
Fee Without Bank Assurance Letter
| Description | Amount | Unit |
|---|---|---|
| For 1 to 5 Parcels | $96.72 | Per Request |
| For 6 to 10 Parcels | $132.18 | Per Request |
| For 11 to 75 Parcels | $244.18 | Per Request |
Fee With Bank Assurance Letter
| Description | Amount | Unit |
|---|---|---|
| For 1 to 5 Parcels | $285.18 | Per Request |
| For 6 to 10 Parcels | $478.53 | Per Request |
| For 11 to 75 Parcels | $671.88 | Per Request |
Table References
[1] – U S Bureau of Reclamation rates calculated the Districts rates on the basis of a 41.23% CVP water supply
[2] – San Luis Delta Mendota Water Authority rates are on the basis of 55% CVP supply and estimated water use
[3] – Westlands Water District rates are calculated on the basis of 55% CVP Supply plus Other Water resulting in 772,181 AF Total Estimated Supply
[4] – Water Exchange Obligation rate is not paid by Pre-Merged or Annexed lands
[5] – Charged per mile of lateral drained for each delivery point
[6] – As listed in the 2017 Benefit Assessment Engineer’s Report
[7] – Temporary Facility Credits are billed on a per acre-foot basis for water delivered through temporary facilities
[8] – M&I Backflow Inspection costs are billed annually to each non-agricultural connection
[9] – Advance requirement doubles if prior year annual use is greater than one acre-foot. Based on adopted Acquired Supply rate.
[10] – Per WWD’s Board of Directors – This rate will be collected 100% through Land-Based Charges in WY 2025/26