Monrovia water and sewer rates

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

City of Monrovia (rates effective July 1, 2025)

City of Monrovia water rates effective July 1, 2025: a $44.90 service charge for a 5/8- or 3/4-inch meter plus $2.67 per unit of 748 gallons; the City's typical single-family estimate is $71.60 a month, based on 10 units.

Use a monthPrice per unit (CCF, 748 gallons)
Fixed charge$44.90 a month
0 to more$2.67
Source
Groundwater pumped from aquifers in the Main San Gabriel Basin beneath the San Gabriel Valley.
Testing
The City tests and monitors its drinking water throughout the day, all year, under Federal and State regulations.

Sewer

City of Monrovia residential sewer fee on the monthly utility bill: $15.71 from July 1, 2026 under the multi-year schedule of Ordinance No. 2024-04.

Other charges on the utility bill

  • Storm drainage maintenance fee (residential): $1.68 a month
  • Street sweeping fee (residential): $1.30 a month

Ways to pay less

  • Low-income households and veterans: 25% off water and sewer. Monrovia's water service discount gives 25% off water consumption, water meter service and sewer service. Low-income option: household income at or below 50% of the Los Angeles County median. Veteran option: the applicant served in a branch of the US Armed Forces. The applicant must live on the property, be a resident of a single-family dwelling unit in Monrovia, and be named on the utility bill. How: Drop off or mail the Water Service Discount Application with copies of the required documents (federal tax returns for the low-income option; a DD Form 214 and a government-issued ID for veterans); Administrative Services, (626) 932-5517.
  • Low water use: reduced sanitation charge. Parcels with significantly lower water usage may be eligible for a reduced rate; those with verified low water usage (particularly seniors and retirees) may qualify for a reduced charge. How: See the Low Water Rebate Program.
  • 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.

Dates

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

Sources

  1. Metropolitan Water District FY 2026/27 tax rate resolution
  2. LA County Public Works Safe Clean Water tax layer description
  3. Safe, Clean Water Program: FY 2027-28 low-income senior exemption form
  4. Safe, Clean Water Program: tax appeal procedures
  5. Metropolitan Water District FY 2026/27 water standby charge resolution
  6. City of Monrovia: water (Wayback copy, April 2026)
  7. City of Monrovia: sewer and water rate adjustments effective July 1, 2025 (bill insert, Wayback copy)
  8. City of Monrovia: sewer and water rates FY 2025-26 (Wayback copy)
  9. City of Monrovia: Ordinance No. 2024-04, sewer and water service charges (April 2, 2024 agenda report)
  10. LA County Public Works Safe Clean Water tax layer: median Monrovia single-family tax
  11. City of Monrovia: water service discount application (Wayback copy)
  12. City of Monrovia: Resolution No. 2024-16, sewer and water discount schedule

Checked October 22, 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.