August 2026 at California's 10 largest reservoirs

Folsom Lake at 55 percent capacity, dips below average

Folsom, Calif.- All major California reservoirs are either above or near their averages in August. Below is a quick look at where each major reservoir stands.

Here's how California's 10 largest reservoirs stand as the wet season is upon us.

Fun Facts

  • Taller than the Hoover Dam, the Lake Oroville Dam at 770 feet is the tallest in the United States.
  • New Bullard's Bar Dam completed in 1969 is the 4th dam at ~this site.
  • An acre foot is approximately 326,000 gallons. The average U.S. household is estimated to use between one half to one acre foot per year.

Total Outdoor use accounts for an estimated 30 percent of water use according the U.S. EPA.

California reservoir levels over time

Opened in 1969 and impounding the North Yuba River, it stands at 645 feet height high.

August 2026

RESERVOIR% Capacity% Average
FOLSOM LAKE5592
Trinity75109
Shasta6297
Don Pedropending
Lake Oroville65101
New Bullards80110
New Melones66112
San Luis Res58142
Lake McClure63105
Pine Flat68100

November 2025

RESERVOIR% Capacity% Average
FOLSOM LAKE43100
Trinity71122
Shasta56105
Don Pedronana
Lake Oroville54102
New Bullards63105
New Melones67126
San Luis Res52117
Lake McClure59138
Pine Flat2695
Hell Hole Reservoir
Placer County's Hell Hole Reservoir

Nov 1, 2023

RESERVOIR% Capacity% Average
Shasta Lake69129
New Melones79147
Don Pedro81123
Lake Oroville68134
Trinity Lake5086
San Luis Res65145
New Bullards Bar69115
Lake McClure65152
Pine Flat Res56202
FOLSOM LAKE57131

November 1, 2022

RESERVOIR% Capacity% Average
Shasta Lake3158
New Melones2445
Don Pedro4975
Lake Oroville3161
Trinity Lake2238
San Luis Res2555
New Bullards Bar62 103
Lake McClure1842
Pine Flat Res1656
FOLSOM LAKE3069

Top 10 California Reservoirs – July 4, 2021

RESERVOIR% Capacity% Average
Shasta Lake3848
New Melones5079
Don Pedro6177
Lake Oroville3139
Trinity Lake4755
San Luis Res3251
New Bullards Bar5362
Lake McClure3753
Pine Flat Res2841
Folsom Lake2935

data source: California Dept of Water Resources

Choose News That Builds, Not Breaks.

Support Local Independent Journalism. » Join today!
Roseville Today, serving our local community for 23 years.

Celebrate National Dog Day!

Local Impact

Local Insights

Trending

PCWA Awards $170.5 Million Contract for New Ophir Water Treatment Plant in Placer County

PCWA has awarded a $170.5 million construction contract for the long-planned Ophir Water Treatment Plant, with construction expected to begin in October 2026 and the facility projected to open in 2030.

From 1915 Hospital to Boutique Inn: Fort Bragg Landmark Begins a New Chapter

A Fort Bragg family has restored the community’s former 1915 hospital as the 10-room Grey Whale Inn, preserving its history while creating a new boutique lodging destination.

Sacramento Meet the Buyers Event Connects Small Businesses With Major Contracting Opportunities

Sacramento small businesses will have an opportunity to meet SMUD procurement teams and public agencies at the free Meet the Buyers & Business Resources Expo on Aug. 20.

The Trax Off The Rails in Lincoln

Visit The Trax: Off The Rails in Lincoln, CA for craveable food, craft beer, cocktails, and a laid-back atmosphere. View the menu, hours, and location details. Wednesdays: Music Bingo (6:00 PM- 8:00 PM) Thursdays: Trivia (6:00 PM- 8:00 PM)

Roseville Mayor Krista Bernasconi to Deliver 2026 State of the City Address

Mayor Krista Bernasconi will deliver the 2026 State of the City address at 9 a.m. Thursday, August 20, at the Placer Valley Soccer Complex. The free event is hosted by the Roseville Area Chamber of Commerce.

Topics

PCWA Awards $170.5 Million Contract for New Ophir Water Treatment Plant in Placer County

PCWA has awarded a $170.5 million construction contract for the long-planned Ophir Water Treatment Plant, with construction expected to begin in October 2026 and the facility projected to open in 2030.

From 1915 Hospital to Boutique Inn: Fort Bragg Landmark Begins a New Chapter

A Fort Bragg family has restored the community’s former 1915 hospital as the 10-room Grey Whale Inn, preserving its history while creating a new boutique lodging destination.

Sacramento Meet the Buyers Event Connects Small Businesses With Major Contracting Opportunities

Sacramento small businesses will have an opportunity to meet SMUD procurement teams and public agencies at the free Meet the Buyers & Business Resources Expo on Aug. 20.

The Trax Off The Rails in Lincoln

Visit The Trax: Off The Rails in Lincoln, CA for craveable food, craft beer, cocktails, and a laid-back atmosphere. View the menu, hours, and location details. Wednesdays: Music Bingo (6:00 PM- 8:00 PM) Thursdays: Trivia (6:00 PM- 8:00 PM)

Roseville Mayor Krista Bernasconi to Deliver 2026 State of the City Address

Mayor Krista Bernasconi will deliver the 2026 State of the City address at 9 a.m. Thursday, August 20, at the Placer Valley Soccer Complex. The free event is hosted by the Roseville Area Chamber of Commerce.

Lazy Dog Celebrates National Dog Day With Four-Day Promotion in Roseville, Folsom

Lazy Dog Restaurant will celebrate National Dog Day August 24-27 with a promotion benefiting Pet Partners at its Roseville and Folsom locations.

Roseville to Add 128-Space Parking Lot in Historic Old Town

Roseville will add 128 parking spaces in Historic Old Town, along with EV charging, landscaping and a new pedestrian connection to Lincoln Street.

Folsom Mayor's Cup Golf Tournament September 25 at Empire Ranch

Folsom, Calif. - Golfers are invited to tee off for a great cause at the 29th Annual Mayor's Cup Golf Tournament on September 25 at Empire Ranch Golf Club.

Related Articles

Local Spotlight

Stanford Ranch Family Dentistry in Rocklin serving the local community since 2000

Rocklin, Calif.- For nearly 25 years, Jason and Heather have grown their successful Stanford Ranch Family Dentistry practice by faithfully serving patients throughout the Rocklin, Roseville, and greater South Placer County region. Their business has grown to now employ over a dozen employees which helps them meet the growing demands of a successful local business.

Steve Wallen Swim School in Roseville Has Taught Safe Swimming Skills for Over 40 Years

Roseville, Calif. - Steve Wallen Swim School in Roseville teaches swim lessons and water safety for infants, kids, and adults of all skill levels.

Paul Black's Window Cleaning serving Roseville and South Placer County for over 30 years

Paul Black’s Window Cleaning Inc. has been serving Placer County’s commercial and residential window cleaning needs since 1990.