Water Supply

Hydroelectric generating facility and historic site known as the Arizona Falls on the Arizona Grand Canal in Phoenix.

Phoenix and Tucson create emergency water reserve, anticipating Colorado River cuts

The Secure Water Arizona Program will allow participating cities to use a reserve of water or make agreements to buy it from other jurisdictions.

May 3, 2026 - KJZZ

Aerial of data center with large water tower in foreground in rural Ohio.

Rural Ohio is Reconsidering its Laissez-Faire Zoning Culture as Data Centers Threaten Local Resources

There are at least 10 data center proposals in the pipeline in southeast Ohio.

March 31, 2026 - WOUB

People swimming near shore with parked kayaks on Colorado River beach in Arizona.

Colorado River States Fail to Strike Deal After ‘Historic Meeting’

The Colorado Basin states have until February 14 to agree on new water conservation measures.

February 4, 2026 - Source NM

New wood-frame single-famly houses being built in Arizona with desert mountains in background.

Planning Trends for 2026: States and Cities Take Initiative, Passenger Rail Gains Steam, and the Costs of AI Revealed

With federal funding for everything from transportation projects to housing assistance under threat, city and state governments are poised to take a stronger role in building strong, resilient local economies and public services.

January 25, 2026 - Diana Ionescu

Cattle graze on farmland in the Hualapai Valley north of Kingman, Arizona.

Arizona Tightens Groundwater Restrictions to Rein in Agribusinesses

The state is creating an ‘active management area’ in the western part of the state, where agribusinesses including a Saudi alfalfa exporter have practically free rein over water supplies.

January 16, 2026 - The Independent

Owens Owens River in Bishop, California with water spilling in from Pleasant Valley Dam.

California is Out of Drought for First Time in 25 Years

The state’s reservoirs are reaching capacity for the first time in decades, but more rain could prompt flooding in downstream communities.

January 14, 2026 - USA Today

Shasta Dam with deep turquoise water in reservoir behind it in northern California.

California’s Largest Reservoir Rose to 77% Capacity After Recent Rains

Almost all of the state’s reservoirs are nearing capacity after significant storms passed across the state.

January 7, 2026 - The Mercury News

Colorado River at Lake Mead with low water line visible on rocks.

Deadline Nears for Colorado River Water Sharing Agreement

Water officials from the seven Colorado River Basin states are still at odds over how to manage dwindling water resources as current regulations are set to expire in February.

December 24, 2025 - News From the States

View of Colorado River with low water line as seen from the Hoover Dam.

Shrinking Colorado River Aquifers Make up 65% of the Basin’s Water Loss

Satellite data reveals that the Colorado River’s groundwater has decreased dramatically since the start of the century.

December 14, 2025 - Earth Data

Tillman water reclamation facility in Van Nuys, California with Japanese garden surrounding glass modernist building.

LA Will Double its Wastewater Recycling Capacity to Serve Half a Million Residents

A new wastewater treatment facility will be able to process 45 million gallons of water per day.

November 11, 2025 - Los Angeles Times

Aerial of houses under construction in Buckeye, Arizona against desert mountains.

Arizona Overrides Moratorium Imposed due to Water Crisis, Approves up to 60K New Homes

A newly created legal process allows development to proceed if builders agree to bring in renewable water sources and reduce their groundwater use by 25%.

October 24, 2025 - High Country News

Sprawling suburb in Scottsdale, Arizona.

Nearly Half a Million New Arizona Homes Halted Due to Water Crisis

The Arizona Department of Water Resources has put a moratorium on new water supply permits, making the future of planned residential developments uncertain.

October 7, 2025 - High Country News

Aerial view of liquid storage tanks and the coast in Corpus Christi, Texas.

Corpus Christi Faces Uncertain Water Future as City Cancels Desalination Plan

The Texas refinery town is grappling with an impending water shortage after a seven-year drought, but a dramatic increase in the projected cost of a desalination plant prompted the city to look for other ways to bring in additional water.

September 10, 2025 - The Texas Tribune

Aerial of white water tower next to new single-family homes on small lake in Texas.

A 'Grim Diagnosis': Houston's Suburbs are Running out of Water

Rapidly growing cities are struggling to build out water infrastructure to meet the needs of new residents.

August 24, 2025 - Houston Chronicle

Water purification plant in El Paso, Texas on riverfront.

El Paso Wastewater Purification Facility Breaks Ground

As water supplies become strained and technology advances, cities look to wastewater as a viable source of drinking water.

March 6, 2025 - Governing

Google office building in Virginia.

Virginia Data Centers Draining State’s Water Supply

Being the world’s largest data center hub is having a severe impact on local water resources.

May 9, 2024 - Grist

Aerial view of blue Canyon Lake reservoir beach in Texas on sunny day.

Texas Reservoirs Reach Dangerous Lows

In some parts of the state, water officials have cut off releases that maintain estuaries and other key coastal habitats.

February 5, 2024 - Wired

Wastewater treatment ponds.

California Approves Wastewater Recycling Rules

The complex set of regulations will ensure recycled water makes it to taps safely.

December 20, 2023 - CALmatters

View of Tucson, Arizona at sunset with two saguaro cacti in foreground.

Zoning Driving Housing Costs, Water Consumption in Arizona

Regulations that prohibit multifamily housing and smaller lot sizes contribute to a growing gulf between housing supply and demand.

December 12, 2023 - Pew

Close-up of exposed pipe in trench with blurred utility workers and yellow truck in background.

EPA Calls for Eliminating Lead Water Pipes in 10 Years

The mandate doesn’t include additional funding, prompting backlash from utility companies.

December 5, 2023 - Route Fifty

FREE Course: Walkable City 1: Why Walkability?

After describing his path towards focusing on walkability as the essence of good planning, Jeff Speck marches through his five principal reasons for making more walkable places.

Reinventing Malls: Planning Alchemy—Turning Gray Fields Into Gold

The course focuses on the opportunities and imperatives that shape reinvention of mall sites.

Professor of Urban Planning

Harvard University Graduate School of Design

Transportation Planner I

KFH Group Inc.

Director, Strategy and Research

Greater Baltimore Committee

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