West Covina water and sewer rates

Who supplies water to West Covina houses, what it costs, and how the sewer charge works.

Suburban Water Systems (San Jose Hills)

Suburban Water Systems, San Jose Hills service area: monthly service charge plus two blocks of quantity rates per 100 cubic feet, plus a 0.70% surcharge that funds the CPUC reimbursement fee.

Use a monthPrice per unit (CCF, 748 gallons)
Fixed charge$17.09 a month
0 to 20 units$5.85
20 to more$6.40
Source
Suburban serves the San Jose Hills service area from its wells in the Main San Gabriel Groundwater Basin; in 2025 local groundwater made up 88 percent of its supply.
Hardness
Total hardness averaged 217.1 ppm (12.7 grains per gallon) in the groundwater and 163 ppm (9.50 grains per gallon) in the treated surface water tested in 2025.
Lead
None of the 51 lead and copper samples collected from residences in 2025 exceeded the action level; the lead 90th-percentile result was ND.

Sewer

City of West Covina sewer service charge for 2026-27: $82.02 per dwelling unit, the same as 2025-26.

Ways to pay less

  • Low-income households: Suburban Water bill credit. Suburban Water Systems' Customer Assistance Program gives qualifying residential customers a credit of $11.14 a month; the income limits follow the CPUC's CARE program. How: Show a CARE-type discount on your electric or gas bill or fill out Suburban's self-verification form; renew every two years.
  • Low-income seniors over 62: Safe, Clean Water parcel tax exemption. Owners over 62 who live in the home and head a low-income household can apply for an exemption from the Safe, Clean Water Program special parcel tax; the FY 2027-28 limit is $106,600 for a 2-person household. How: Submit the claim form to the Safe, Clean Water Program by May 1 each year; call 833-275-7297.
  • Low water use: reduced sanitation district charge. District No. 22 parcels with significantly lower water usage may be eligible for a reduced service charge; dischargers with verified low water usage, particularly seniors and retirees, may qualify. How: Apply to the Sanitation Districts' low water rebate program.

Dates

WhenWhat
May 1, 2027Deadline for low-income seniors to apply for the Safe, Clean Water Program parcel tax exemption for FY 2027-28.

Pay or manage it

Sources

  1. Suburban Water Systems Schedule SJ-1 (San Jose Hills residential)
  2. Suburban Water Systems Schedule UF
  3. Suburban Water Systems Advice Letter 407-W-A
  4. Suburban Water Systems San Jose Hills 2025 water quality report
  5. City of West Covina: FY 2026-27 sewer service charge financial report
  6. City of West Covina: July 21, 2026 staff report, sewer service charge
  7. City of West Covina Resolution No. 2026-67 (sewer service charges FY 2026-27)
  8. Metropolitan Water District FY 2026/27 tax rate resolution
  9. LA County Public Works Safe Clean Water tax layer: median West Covina single-family tax
  10. LA County Public Works Safe Clean Water tax layer description
  11. Safe, Clean Water Program: FY 2027-28 low-income senior exemption form
  12. Safe, Clean Water Program: tax appeal procedures and guidelines
  13. Metropolitan Water District FY 2026/27 water standby charge resolution
  14. City of West Covina: water utilities directory
  15. Suburban Water Systems Schedule CAP-1

Checked October 21, 2026. Every number here comes from the public sources listed, matched by our checker.

Rates change every year; this page shows when it was last checked. Nothing here is legal, tax or insurance advice.