El Monte water and sewer rates

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

San Gabriel Valley Water Company (El Monte/Whittier system)

San Gabriel Valley Water Company, Los Angeles County Tariff Area conservation rates for metered residential customers (its territory includes portions of El Monte): a monthly service charge plus three tiers per Ccf, the Schedule LA-AS surcharges per Ccf, a $4.45-a-month sur-credit for customers not formerly served by the City of Montebello's water system, and a 0.70% surcharge to fund the Public Utilities Commission.

Use a monthPrice per unit (CCF, 748 gallons)
Fixed charge$28.53 a month
0 to 10 units$5.50
10 to 20 units$6.23
20 to more$7.91
Source
Except in its Whittier/Santa Fe Springs area, the company's 2025 water was groundwater from the Main San Gabriel Basin.
Standards
The company says the water it supplied in 2025 met all state and federal drinking water standards.
Lead pipes
Its service line inventory found no lead or galvanized service lines requiring replacement.

City of El Monte Water Department

City of El Monte Water Department 2026 rates, billed every two months: a fixed bimonthly meter service charge by meter size ($86.73 for a 5/8-inch meter) plus $0.610 per unit for 0 to 125 units and $0.776 per unit over 125 units each bimonthly period, where 1 unit equals 100 gallons.

Use a monthPrice per 1,000 gallons
Fixed charge$43.37 a month
0 to 6.25 thousand gallons$6.10
6.25 to more$7.76
Source
Groundwater from the Main San Gabriel Groundwater Basin, pumped by wells in El Monte and Rosemead and disinfected with chlorine.
Hardness
Total hardness averaged 266 ppm in 2024 sampling (range 200 to 380).
Nitrate
Nitrate averaged 5.6 ppm in 2024 (range 2.4 to 7.1), under the 10 ppm limit, with no violation.

Sewer

City of El Monte sewer service charge for a single-family residential parcel: $125.40 for the year starting July 1, 2026, collected annually through the property tax roll.

Ways to pay less

  • Low-income households: San Gabriel Valley Water discount. San Gabriel Valley Water Company's Customer Assistance Program (CAP) gives qualifying low-income households a discount on water bills; households with a CARE discount on electric or gas may also qualify. How: Submit the CAP application to the water company by hand, mail or email; 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. 15 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. City of El Monte: Water Department
  2. City of El Monte: water companies service map
  3. City of El Monte: 2025 sewer rate public hearing notice
  4. San Gabriel Valley Water Co. Schedule LA-1C
  5. San Gabriel Valley Water Co. Schedule AA-UF
  6. San Gabriel Valley Water Co. Schedule LA-AS
  7. San Gabriel Valley Water Co. 2025 Consumer Confidence Report
  8. City of El Monte: water rates
  9. City of El Monte 2025 water rate study
  10. CPUC decision appendix: San Gabriel Valley Water Co. Los Angeles County Division
  11. City of El Monte: adopted sewer rates 2026 to 2030
  12. Metropolitan Water District Resolution 9397 (FY 2026/27 tax rate)
  13. Upper San Gabriel Valley Municipal Water District
  14. LA County Public Works Safe Clean Water tax layer: median El Monte single-family tax
  15. LA County Public Works Safe Clean Water tax layer description
  16. Safe, Clean Water Program: FY 2027-28 low-income senior exemption form
  17. Safe, Clean Water Program: tax appeal procedures and guidelines
  18. Metropolitan Water District FY 2026/27 water standby charge resolution
  19. San Gabriel Valley Water Co.: Customer Assistance Program

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.