Water

Aerial of housing subdivision under construction in Arizona.

Planetizen’s Top Posts of 2025

The most-read articles on Planetizen in 2025.

January 6, 2026 - Diana Ionescu

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

Close-up on back of yellow truck putting down road salt on icy road.

Winter Road Salt is Making Waterways Toxic to Wildlife

Salt used to clear streets is accumulating in local creeks and rivers and seeping into groundwater, contaminating fresh water supplies.

December 21, 2025 - WHYY

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

The Colorado River in Arizona

Arizona Explores Desalination and “Water Swap” with Mexico as Dwindling Water Supply Grows Dire

As the Colorado River shrinks and the river states remain deadlocked in negotiation, Arizona is reaching for ever more drastic strategies to ensure its future water supply.

November 30, 2025 - ABC 15

Light blue water tower with Fort Worth logo and orange longhorn cow head sillhouette.

Texas Voters Approve $1 Billion per Year for 'Critical' Water Infrastructure

A new $20 billion fund will shore up the state’s water infrastructure.

November 27, 2025 - The Daily Yonder

Finshing Prohibited - Protected Wetlands sign

Proposed EPA Rule Change Would Exclude Millions of Acres of Wetlands and Waterways From Federal Protection

A proposed change to the Waters of the United States Rule would narrow the definition of protected waterways.

November 21, 2025 - Civil Eats

Aerial of Central Arizona Project aqueduct full of dark turquoise water surrounded by Arizona desert.

Arizona Plans ‘Game-Changing’ Water System Overhaul

A planned interconnection facility will allow water to flow both ways between the Central Arizona Project and the Salt River Project.

November 10, 2025 - KTAR

Aerial of housing subdivision under construction in Arizona.

October Must-Reads: Top 10 Articles From Last Month

Arizona’s future needs sustainable growth, and part of the answer may lie in an experiment from its past.

November 4, 2025 - Diana Ionescu

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

Color-coded map in shades of red of Chicago neighborhoods based on lead water lines.

84% of Chicago's Pipes Contain Lead — and They're Not Equally Distributed

The city’s Black and Latino communities are most impacted, but the issue is widespread across the city’s water distribution network.

September 2, 2025 - Inside Climate News

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

Clear glass with water being poured in against blue background.

Texas City to Test Waste Heat-to-Water Generation System

The technology harnesses waste heat to produce clean drinking water.

August 14, 2025 - Smart Cities Dive

Large Google data center building in The Dalles, Oregon.

Data Centers Threaten Western Water Supplies, Power Grids

The rapidly growing need for water to cool data centers is endangering one of the West’s most essential resources.

July 28, 2025 - High Country News

Sign warning of toxic algae bloom at Lake Erie beach in Ohio.

NOAA Great Lakes Lab Loses Key Funding

Cuts at a lab that monitors water quality in the Great Lakes region could harm efforts to prevent dangerous algal blooms.

May 13, 2025 - ProPublica

Person in yellow safety suit and white helmet kneels to examine water samples outdoors on a lake shore.

USGS Water Science Centers Targeted for Closure

If their work is suspended, states could lose a valuable resource for monitoring, understanding, and managing water resources.

May 1, 2025 - Inside Climate News

Historic stone structure surrounding natural spring in India with plaques.

Restoring Northern India’s Himalayan ‘Water Temples’

Thousands of centuries-old buildings protect the region’s natural springs and serve as community wells and gathering places.

April 16, 2025 - Reasons to Be Cheerful

'Opaeka'a Falls on the island of Kauai surrounded by lush green forest and blue sky.

How Protecting Kauaʻi’s Forests Safeguards Fresh Water

A University of Hawaiʻi study shows that protecting Kauaʻi’s native forests from invasive species significantly boosts groundwater recharge, making it a cost-effective strategy to secure fresh water and enhance climate resilience.

March 31, 2025 - University of Hawai'i News

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.

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