Humboldt Bay Municipal Water District

Mad River

Mad River Slough Crossing

The pipelines and support structure over the Mad River Slough were constructed in 1966. These two essential water lines are part of the regional water transmission system. They supply water for public health and fire-fighting to residents and businesses on the Samoa Peninsula and the Humboldt Community…

Water Our Most Valuable Resource

Drinking water delivered by the Humboldt Bay Municipal Water District (HBMWD) is drawn from wells located in the Mad River northeast of Arcata, California. These wells, called Ranney Wells, draw water from the sands and gravel of the aquifer under the riverbed at depths of 60 to 90 feet. The gravel and sands…

Barbara and Lloyd L. Hecathorn Turbidity Reduction Facility

In order to ensure that tap water is safe to drink, the United States Environmental Protection Agency (USEPA) and the California Department of Health Services (DHS) prescribe regulations that limit the amount of certain contaminants in water provided by public water systems. The District’s source water has…

Beautiful Ruth Lake

R. W. Matthews Dam forms Ruth Lake in southern Trinity County. It impounds runoff from the upper quarter of the Mad River basin, an area of approximately 121 square miles. Its capacity is 48,030 acre-feet (AF).

HBMWD Crew Hard At Work!

HBMWD Crew hard at work maintaining the District's infrastructure system. The system is over 50 years old and thanks to the hard work and dedication of our employees, we provide high quality drinking water to over 88,000 customers.

Humboldt County seeks public input. Features a megaphone and QR codes for English, Spanish, and Hmong.

Humboldt County Hazard Mitigation Public Outreach Survey

Humboldt Bay ordinance draft on administrative remedies for ratepayer objections to proposed water fees, references California law.

Ordinance 25

ORDINANCE 25 - ADOPTING AN EXHAUSTION OF ADMINISTRATIVE REMEDIES PROCEDURE FOR RATEPAYER OBJECTIONS TO PROPOSED WATER FEES

Humboldt Bay Municipal Water District appoints Michiko Mares as new General Manager starting January 2, 2025, succeeding John Friedenbach.

Introducing our new General Manager, Michiko Mares

Audit-themed illustration with a briefcase, files, magnifying glass, chart, and stationery on an orange background.

Request for Proposals for Audit Services

Proposal must be received via EMAIl by 4 pm on March 4, 2025

Advertisement for bids from Humboldt Bay Municipal Water District for the TRF Generator Project. Includes project specs and requirements.

Construction bids for TRF Generator Project Bid Submittal deadline is 3:00 pm, March 5, 2025

Ruth Lake Level 2654.78 feet Volume 102% (03/03/2025)

Volume is measured as lake level relative to bottom elevation of spillway. When volume exceeds 100%, lake is spilling through spillway.

Request for Qualifications (RFQ) R.W.Matthews Dam Seismic Stability

REVISED Deadline to submit SOQ: Wednesday, February 11, 2025 at 3:00 pm

A cover sheet for Humboldt Bay Municipal Water District's OSHG Installation and Integration project, dated September 2024.

HBMWD Onsite Sodium Hypochlorite Generation Installation and Integration Project Plans and Specs

Samoa Reservoir 1 Tank Seismic Retrofit Project and Korblex Reservoirs 2 Tanks Seismic Retrofit Project Plans and Specs

Association of Californa Water Agencies (ACWA) 10 part Video Series to educate Californians about Critical Water Issues.

1. California H2O: Flowing for the Future

What is a Boil Water Advisory?

What is a Boil Water Advisory? Video

Board of Directors Meetings

Current Agenda

Board of Directors Meeting

Agenda

Mad River

Mad River Slough Crossing

Water Our Most Valuable Resource

Barbara and Lloyd L. Hecathorn Turbidity Reduction Facility

Beautiful Ruth Lake

HBMWD Crew Hard At Work!

Xpress Bill Pay

Agendas and Board Packets

Board

Services

Employment

Ruth Lake

Water Resource Planning

Tap the Mad

Team Site

Featured

Humboldt County Hazard Mitigation Public Outreach Survey

Ordinance 25

Introducing our new General Manager, Michiko Mares

Request for Proposals for Audit Services

Construction bids for TRF Generator Project Bid Submittal deadline is 3:00 pm, March 5, 2025

Ruth Lake Level 2654.78 feet Volume 102% (03/03/2025)

Request for Qualifications (RFQ) R.W.Matthews Dam Seismic Stability

HBMWD Onsite Sodium Hypochlorite Generation Installation and Integration Project Plans and Specs

Samoa Reservoir 1 Tank Seismic Retrofit Project and Korblex Reservoirs 2 Tanks Seismic Retrofit Project Plans and Specs

Association of Californa Water Agencies (ACWA) 10 part Video Series to educate Californians about Critical Water Issues.

What is a Boil Water Advisory?

Board of Directors Meetings

Board of Directors Meeting

Mad River

Mad River Slough Crossing

Water Our Most Valuable Resource

Barbara and Lloyd L. Hecathorn Turbidity Reduction Facility

Beautiful Ruth Lake

HBMWD Crew Hard At Work!

Website Accessibility Statement