Humboldt Bay Municipal Water District

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…

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.

Office will be closed at 11 am on Thursday, December 15, 2022

Office will be closed December 23 and 26, 2022 and January 2, 2023 Happy Holidays!

Ruth Lake Level 2640.98 feet Volume 72% (12/01/22)

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

Current Construction Projects and other RFPs

Ruth Area Fire Fuel Reduction & Defensible Space Project

Your Drinking Water is Safe

State Board Reminds Californians that Drinking Water is Safe

California Drought

2022 marks the third year of the California drought.

State Water Resource Board Adopts Policy for the Safe & Affordable Drinking Water Fund

On May 5, the State Water Resources Control Board adopted the “Policy for Developing the Fund Expenditure Plan for the Safe and Affordable Drinking Water Fund.” This policy serves as the overall guidance for how the Board will identify water systems and administer funding over the next decade to support communities that do not have safe drinking water.

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

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Mad River Slough Crossing

Water Our Most Valuable Resource

Lloyd L. Hecathorn Turbidity Reduction Facility

Beautiful Ruth Lake

HBMWD Crew Hard At Work!

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