• INFORMATIONAL VIDEO

Understanding Your
Sewer Service

Watch this video featuring Oro Loma Sanitary District General Manager Jimmy Dang to learn about your wastewater collection and treatment services.

Current infrastructure projects and planned improvements are covered along with an explanation for why a rate increase is needed now.

Oro Loma is proud to continue providing the best possible wastewater collection and treatment services to its customers at one of the lowest rates in Alameda County. Single-family residential customers in the District will pay $1.16 per day for unlimited use of the sewer system.

Sewer Service Charges for Five Fiscal Years 2024/2025 – 2028/2029

General

All sewer service charges shall be developed using the unit costs listed in Table A-1, as regulated by Ordinance No. 37. Any sewer service charges not specifically identified in this Resolution Ordinance will be prepared using the unit costs of Table A-1 and the appropriate parameter from the Table.

TABLE A-1 : Sewer Service Charge Unit Costs

Effective 07/01/24 Effective 07/01/25 Effective 07/01/26 Effective 07/01/27 Effective 07/01/28
Flow, per 100 cubic feet (ccf) water 4.07 4.68 5.38 6.19 7.12
Biochemical Oxygen Demand (BOD), per pound 0.80 0.92 1.06 1.22 1.40
Suspended Solids (SS), per pound 0.91 1.05 1.21 1.39 1.60


Minimum Charge:
The District requires that all customers connected to the District’s sewer system pay a minimum annual sewer service charge of no less than the lowest annual residential rate currently in effect. Annual minimum sewer service charge shall be $343.88 (2024), $395.46 (2025), $454.78 (2026), $523 (2027), and $601.45 (2028).

Residential Customers

Annual sewer service charges for this class of customer shall be charged based on the customer class and multiplied by the number of dwelling units as follows:

Customer Class Effective 07/01/24 Effective 07/01/25 Effective 07/01/26 Effective  07/01/27 Effective 07/01/28
Single Family Dwelling $423.12/year

$486.59/year

$559.58/year

$643.52/year

$740.05/year

Multiple Family Dwelling $423.12/year

$486.59/year

$559.58/year

$643.52/year

740.05/year

Mobile Homes/House Trailers $343.88/year

$395.46/year

$454.78/year

$523.00/year

$601.45/year

Commercial/Light Industrial/Institutional/Industrial/Intermediate/ Minor Users

Sewer service charges for this class of customer is $6.25 (2024), $7.19 (2025), $8.27 (2026), $9.51 (2027), $10.94 (2028) per actual water use, measured in hundred cubic feet (ccf), with an annual minimum sewer service charge of $343.88 (2024), $395.46 (2025), $454.78 (2026), $523 (2027), $601.45 (2028).

School Customers

Sewer service charges for this class of customer is $4.59 (2024), $5.28 (2025), $6.07 (2026), $6.98 (2027), $8.03 (2028) per actual water use, measured in hundred cubic feet (ccf).

Significant Industrial Users

Sewer service charges for this class of customer shall be prepared based upon actual flow and loadings, times the unit costs as follows, with an annual minimum sewer service charge of $343.88 (2024), $395.46 (2025), $454.78 (2026), $523 (2027), $601.45 (2028).

Effective
07/01/24
Effective
07/01/25
Effective
07/01/26
Effective
07/01/27
Effective
07/01/28
Flow, per ccf water 4.07 4.68 5.38 6.19 7.12
BOD, per pound 0.80 0.92 1.06  1.22 1.40
SS, per pound 0.91 1.05  1.21 1.39 1.60

Pumped Areas

Users of the District’s sewer system serviced by lift stations constructed after January 1, 1995, shall pay an additional annual charge as determined by District to cover renewal and replacement and operation and maintenance costs of the lift station. Charges for residential customers shall be a flat fee regardless of type of unit. Charges for commercial customers shall be based on flow volume.

A. Lift Station 13 (Blackstone Court) provides sewer service to most residents of Blackstone Court:

Effective 07/01/24 Effective 07/01/25 Effective 07/01/26 Effective 07/01/27 Effective 07/01/28
Residential $116.00 $116.00 $116.00 $116.00 $116.00
Commercial None None None None None

B. Lift Station 14 (Canyon Drive) provides sewer service to Tract 6833 (Henry Lane) and residents of the Five Canyons Development generally east and west of Five Canyons Parkway, except Tract 6196. The parcels of Tract 6179, which are tributary to this lift station, are charged separately under Lift Station 15.

Effective 07/01/24 Effective 07/01/25 Effective 07/01/26 Effective 07/01/27 Effective 07/01/28
Residential $60.00 $60.00 $60.00 $60.00 $60.00
Commercial None None None None None

C. Lift Station 15 (Canyon Ridge) provides sewer service to the parcels of Tract 6179. In addition, these parcels are tributary to Lift Station 14, therefore, the total surcharge is shown:

Effective 07/01/24 Effective 07/01/25 Effective 07/01/26 Effective 07/01/27 Effective 07/01/28
Residential $116.00 $116.00 $116.00 $116.00 $116.00
Commercial None None None None None

own:

New Lift Stations: Should the District, after the effective date of this Ordinance, desire to approve construction of a new lift station intended to serve one or more new customers, the annual user charge for connection to that station shall be set by the Board of Directors and approved by motion. Such charges specified in the motion will be incorporated into this Ordinance at an appropriate future date.

Special Situations

Certain District commercial customers have unique situations which require billing computations based on Equivalent Dwelling Units (EDUs). In these cases, District staff determines the appropriate annual charges which are memorialized in a written agreement between the parties and approved by Oro Loma Sanitary District Board action.

Schedule of Fees for Monitoring and Wastewater Discharge Permits for Fiscal Years 2024/2025 – 2028/2029 (Regulated by Ordinance No. 39)

User Classification Annual Permit Fee * Annual Monitoring Service Fee **
Significant Industrial User (Categorical) $1,415 (2024), $1,627 (2025), $1,871 (2026), $2,151 (2027), $2,474 (2028) $17,807/(2024), $20,478/(2025), $23,549/(2026), $27,082/(2027), $31,144/(2028)
Significant Industrial User (Non-Categorical) $1,415 (2024), $1,627 (2025), $1,871 (2026), $2,151 (2027), $2,474 (2028) $23,434 (2024), $26,949 (2025), $30,991 (2026), $35,640 (2027), $40,982 (2028)
Intermediate Users $1,415 (2024), $1,627 (2025), $1,871 (2026), $2,151 (2027), $2,474 (2028) $6,036 (2024), $6,942 (2025), $7,983 (2026), $9,181 (2027), $10,558 (2028)
Minor User $1,415 (2024), $1,627 (2025), $1,871 (2026), $2,151 (2027), $2,474 (2028) Fees to be determined
Special Discharge Permit Volume Discharge Fee
Groundwater $1,415 (2024), $1,627 (2025), $1,871 (2026), $2,151 (2027), $2,474 (2028) $3.805/ccf (2024), $4.376/ccf (2025), $5.033 (2026), $5.787 (2027), $6.656 (2028)
Swimming Pools $355 (2024), $409 (2025), $470 (2026), $540 (2027), $622 (2028) N/A
Other Discharges $167 (2024), $192 (2025), $221 (2026), $254 (2027), $292 (2028) (minimum) Fees to be determined
Resampling/Re-Inspection Fees
A) Grab Sample – Minimum plus actual cost of laboratory analysis + 20% $265 (2024), $304 (2025), $350 (2026), $402 (2027), $463 (2028)
B) Composite Samples – Minimum plus actual cost of laboratory analysis + 20% $528 (2024), $607 (2025), $698 (2026), $803 (2027), $923 (2028)
C) Re-Inspection (as part of ERP) $528 (2024), $607 (2025), $698 (2026), $803 (2027), $923 (2028)
D) Site Visit (at SIU’s request) $355(2024), $409 (2025), $470 (2026), $540 (2027), $622 (2028)

Notes:

* Includes application review and inspection.

** Includes all costs for sampling events, analysis, program administration, and equipment.

Interest

The District’s policy is not to pay any interest on refunds or claims connected with sewer service charges, developer deposit accounts, or other sums deposited with the District.

Important Numbers

(510) 276-4700 Oro Loma Sanitary District Office 24/7 Emergency Response

(510) 613-8710 Waste Management of Alameda County

(877) STOPWASTE Alameda County Recycling Hotline

(800) 606-6606 Alameda County Household Hazardous Waste

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