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November 30, 2025
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Climate Files
Household resilience in North America's highest density city
Next time the lights go out, Toronto high rise balconies make the difference with backup water and power

Climate Files
White to ultra-white
The latest "Cool Roof" technology saves even more energy while harvesting moisture from the atmosphere


CrimeBox
Clean Water Act Conviction: Fiscal Year 2015; Case ID# CR_2649 (North Carolina)
Oyster nursery impacted with repeated dredging, defendant sentenced to restore the coastal habitat

WHY COLORADO RIVER NEGOTIATIONS ARE SO DIFFICULT
On the day of a Nov. 11 federal deadline for states to submit a water management plan for the Colorado River, negotiations remain deadlocked.
High Country News - With permission


REVOLUTIONIZING FOREST RESTORATION
Foresight Canada
portfolio company Vancouver based TreeTrack Intelligence combines cutting-edge aerial technology with Indigenous-led stewardship to restore ecosystems devastated by wildfires


Safe Drinking Water Act
WTCAL.us Serious Violators List, November 2025
84% of California drinking water facilities are compliant





CALIFORNIA MAPS

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RECENT ARTICLES

Climate Files
Household resilience in North America's highest density city
Next time the lights go out, Toronto high rise balconies make the difference with backup water and power

Climate Files
White to ultra-white
The latest "Cool Roof" technology saves even more energy while harvesting moisture from the atmosphere

REVOLUTIONIZING FOREST RESTORATION
Foresight Canada
portfolio company Vancouver based TreeTrack Intelligence combines cutting-edge aerial technology with Indigenous-led stewardship to restore ecosystems devastated by wildfires

Clean Water Files
Competitors got together to address common problems in the water testing industry
Now students and citizen scientists are equipped with self-cleaning, self-calibrating water sensor technology

Clean Water Files
Nitrate contamination of drinking water sources
Alliance for the Great Lakes reports on the deepening risk to groundwater and public health

...More Recent Articles


RECENT REPORTS

WHY COLORADO RIVER NEGOTIATIONS ARE SO DIFFICULT
On the day of a Nov. 11 federal deadline for states to submit a water management plan for the Colorado River, negotiations remain deadlocked.
High Country News - With permission

Clean Water Files
US EPA celebrates the revival of Lake Muskegon
The 8th such Area of Concern successfully rehabilitated in the USA

Clean Water Events
Lake Lanier 37th Annual Shore Sweep reports a colossal success
Days after the event, volunteer crews continue to sort trash and haul away dumpsters

...More Recent Reports


SDWA Profiles

Safe Drinking Water Act
WTCAL.us Serious Violators List, November 2025
84% of California drinking water facilities are compliant

Safe Drinking Water Act
WTCAL.us Serious Violators List
Compliance improvements across the board

SDWA Box
Los Angeles Department of Water and Power
BWA lifted for Topanga Canyon

SDWA Box
Elk Creek Community S.D Treated Surface Water Treatment Plant
Elk Creek BWA lifted

SDWA Box
Mammoth Community Water District
Mammoth Lakes

...More SDWA Profiles


HARMFUL ALGAE BLOOMS

California HAB Tracker
from CA Water Boards
HAB Danger at Horseshoe Lake swim beach, Lago los Osos; HAB Warning posted Pyramid Lake Emigrant Landing

California HAB Tracker
from CA Water Boards
HAB Danger advisories return for Contra Loma Reservoir, Horseshoe Lake swim beach and Lago Los Osos, HAB Warning posted for Scottsdale Pond in Region 2 watershed

...More Harmful Algae Blooms

SPILLS

HAZARDOUS SPILL FILE
from CA Office of Emergency Services
Fuel release into Humboldt Bay creating a large sheen in Region 1

HAZARDOUS SPILL FILE
from CA Office of Emergency Services
3200 gallons of sewage released from a manhole in Region 2 Watershed

...More Spills

FLOWS

Streamflow Situation
From the network of river flow monitors of USGS CA Water Science Center

...More Flows


Crime Box

CrimeBox
Clean Water Act Conviction: Fiscal Year 2015; Case ID# CR_2649 (North Carolina)
Oyster nursery impacted with repeated dredging, defendant sentenced to restore the coastal habitat

CrimeBox
Clean Water Act Conviction: Fiscal Year 2015; Case ID# CR_2671 (District of Columbia)
Environmental services company convicted for dumping waste into Potomac River

CrimeBox
Clean Water Act Conviction: Fiscal Year 2013; Case ID# CR_2427 (North Carolina)
Recycling gone wrong: North Carolina waste hauler convicted for unauthorized fill of wetlands, sent to prison, with a $300,000 fine to boot

CrimeBox
Clean Water Act Conviction: Fiscal Year 2014; Case ID# CR_2578 (Ohio)
Oil drilling wastewater deliberately discharged in Lake Erie drainage basin, oilfield worker convicted

CrimeBox
History of Criminal prosecutions of the US Clean Water Act
Which party is tougher on Clean Water Act crimes? The answer might surprise you

...More Crime Box



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