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Los Angeles County Coverage

Local sewer flow monitoring support from Downey

US3 supports Los Angeles County sewer monitoring, sewer capacity studies, RDII/I/I analysis, and wastewater data services from its Downey office presence.

Urban sewer manhole cover representing Los Angeles County sewer flow monitoring work
US3 Los Angeles County Office: 9264 Hall Road, Downey, CA.

Los Angeles County sewer flow studies backed by measured field data

For more than 20 years, US3 has helped Southern California utilities, municipalities, civil engineers, and project teams collect highly accurate sewer flow data for planning, permitting, capacity verification, wet-weather response, and collection system decision-making.

Our Los Angeles County work includes temporary and long-term sewer flow monitoring, sewer capacity studies, flow meter installation, QA/QC review, hydraulic model calibration datasets, RDII/I/I analysis, and reporting support for municipal infrastructure and development review.

Los Angeles County Office

Address:
9264 Hall Road
Downey, CA

Main US3 Phone: (855) 872-8233

Email: [email protected]

Services in LA County

Sewer flow monitoring, capacity studies, and wastewater data support

US3 supports Los Angeles County sewer projects from field installation through validated datasets, engineering review, and final reporting.

Sewer Flow Monitoring

Velocity, depth, and calculated flow monitoring in active sewer manholes for municipal, development, and engineering studies.

Sewer Capacity Studies

Measured flow data and PE-stamped capacity documentation and LVL I & II inspection support for entitlement, connection, and permitting support.

RDII / I/I Analysis

Wet-weather response analysis, rainfall correlation, and inflow/infiltration quantification for collection system planning.

Hydraulic Model Calibration Data

Model-ready datasets for SWMM, InfoWorks ICM, SewerGEMS, XPSWMM, ESRI, and engineering workflows.

Flow Meter Installation

Field deployment, site documentation, sensor setup, telemetry configuration, and QA/QC support.

CMOM / SSES Support

Long-term flow monitoring and reporting support for sanitary sewer evaluation, compliance, and capital planning programs.

How Los Angeles County teams use US3 flow data

US3 helps project teams convert measured sewer conditions into practical decision support. Our data can support sewer capacity verification, hydraulic modeling, development review, wet-weather response analysis, overflow risk evaluation, and long-term infrastructure planning.

Because sewer flow studies can serve different goals, US3 scopes each project around the actual decision being made: short-term capacity confirmation, RDII/I/I investigation, model calibration, SSES support, or permanent monitoring recommendations.

Need a local project quote? Call (855) 872-8233 or request a fixed-scope proposal.

Why US3

Specialized sewer flow monitoring for LA County infrastructure

US3 focuses on field measurement, actionable wastewater datasets, and engineering-ready reporting for municipal and civil infrastructure decisions.

2002
Founded with 20+ years of utility systems experience
Downey
Los Angeles County office presence
PE
Reports reviewed by professional engineers when required, with LVL I & II inspection support
95%+
Data uptime target for monitoring programs

Frequently Asked Questions

Does US3 provide sewer flow monitoring in Los Angeles County?

Yes. Utility Systems Science & Software (US3) provides sewer flow monitoring, sewer capacity studies, RDII/I/I analysis, hydraulic model calibration data, flow meter installation, and wastewater monitoring support for Los Angeles County municipalities, agencies, engineers, and development projects.

Where is US3’s Los Angeles County office?

US3’s Los Angeles County office is located at 9264 Hall Road, Downey, CA. The main US3 phone line is (855) 872-8233.

What public Los Angeles-area references support US3’s work?

Public references include Culver City records for Emergency Notification System and Sewer Flow Monitoring System maintenance, Los Angeles City Planning materials referencing a US3 sewer capacity study for the Mt. St. Mary’s University campus, and Culver City payment records referencing engineering, maintenance, ENS/SFMS, and flow work.

What types of LA County projects can US3 support?

US3 can support sewer flow studies for capacity verification, development review, RDII/I/I analysis, SSES programs, hydraulic model calibration, overflow risk evaluation, and long-term monitoring recommendations.

Ready to discuss your Los Angeles County project?

Request a fixed-scope proposal for sewer flow monitoring, sewer capacity studies, RDII/I/I analysis, or hydraulic model calibration support.

Request a Quote(855) 872-8233