Private Investor-Owned Utility (non-profit mutual water company)
Bellflower-Somerset Mutual Water Company
Serving Bellflower and the Bellflower-Somerset service area
Population served
Approximately 46,300 people; the active California SDWIS record lists approximately 6,014 residential, 1,022 commercial, and 67 agricultural service connections.
State system code
FIPS 06
Billing frequency
Bi-monthly. The Company’s 2025 Rules and Regulations say bills are rendered every two months, and the current 2026 rate table labels fixed charges as bi-monthly. Bills are due upon presentation/date of bill.
Provider briefing
How this utility’s billing works
Bellflower-Somerset Mutual Water Company operates as a private investor-owned utility (non-profit mutual water company) serving Bellflower and the Bellflower-Somerset service area. Customers should use the provider’s current account-specific bill and official customer-service instructions as the final authority for deadlines, balances, and service requests.
The published water-rate framework is described as Metered increasing-block residential rates plus a fixed meter-size charge. Effective January 1, 2026, single-family residential usage is $2.38 per HCF for 0–16 HCF, $2.91 per HCF for 17–27 HCF, and $3.30 per HCF for 28 HCF and above; one HCF equals 748 gallons. Commercial, multifamily, non-residential, and irrigation usage is $2.70/HCF, and construction water is $4.93/HCF. The 5/8-inch and 3/4-inch bi-monthly fixed charge is $72.89, with larger meters charged more.. Bills are generated bi-monthly. the company’s 2025 rules and regulations say bills are rendered every two months, and the current 2026 rate table labels fixed charges as bi-monthly. bills are due upon presentation/date of bill., and a typical residential cost reference is For a 5/8-inch single-family meter using 5,000–7,000 gallons per month, consumption is approximately 6.7–9.4 HCF per month, or 13.4–18.7 HCF over a bi-monthly bill. Under the 2026 residential tiers, the approximate monthly equivalent is about $52–$65 before taxes or other charges: one-half of the $72.89 bi-monthly fixed charge plus roughly $15.90–$28.20 of monthly volumetric charges, depending on the amount crossing into Tier 2. The exact invoice depends on the meter read dates, account classification, and any applicable non-water charges.. These descriptions are useful planning benchmarks; actual charges can change with meter size, usage, sewer averaging, local taxes, drought stages, or account-specific fees.
Wastewater and sewer calculation
A dedicated this detail was not publicly posted. For this water-only mutual company. Bellflower-Somerset’s published 2026 rate schedule describes potable-water volumetric and fixed meter charges but does not bill municipal wastewater or publish a sewer winter-average formula. Customers receiving sewer service should consult the separate sewer agency or municipal provider serving the property.
Meter and infrastructure notes
BSMWC uses customer water meters read at regular intervals for periodic, opening, closing, and special bills. Its customer-service page directs shareholders to the EyeOnWater portal, where they can create an account using ZIP code 90706 and billing account number to view usage in near real time and receive possible-leak alerts; the confirmation email identifies the Beacon platform. The reviewed material does not state the exact AMI radio vendor, transmission interval, or universal field-read calendar.
Emergency water support
Report a leak or water emergency
562-866-9980, the Company’s published after-hours emergency number and main customer-service number. BSMWC asks shareholders to report suspected outside leaks; it may send someone as a courtesy to check the meter, while the shareholder remains responsible for repairing leaks between the meter and the building.
Official starting point
Choose the right next step
Reading this profile
A practical reference for Bellflower and the Bellflower-Somerset service area
Bellflower-Somerset Mutual Water Company is listed here as a private investor-owned utility (non-profit mutual water company). The profile separates account actions—such as paying a bill or requesting service—from explanatory material about rates, meters, wastewater, leaks, and delinquency.
Because utility rules can vary by account class, meter size, service address, billing date, and local ordinance, treat the published bill and current provider website as the final authority. Use this profile to locate the correct channel and prepare better questions for customer service.
If your issue is urgent, start with the provider’s emergency number or official payment route rather than waiting for an email response. Keep a written record of calls, confirmation numbers, notice dates, and documents you submit.