The environmental lobby has a favorite victim, and its name is Mono Lake.
For decades, the narrative has remained static: Los Angeles is a sprawling, thirsty parasite sucking the life out of a prehistoric alkaline lake. The water levels are too low. The brine shrimp are at risk. The dust storms are coming. Therefore, the city must "tighten its tap."
It is a compelling, emotional story. It is also a fundamental misunderstanding of 21st-century hydrology, urban resilience, and the actual math of California’s water grid.
The push to further restrict Los Angeles Department of Water and Power (LADWP) exports from the Mono Basin isn't about "saving" a lake anymore. It has devolved into a performative ritual that ignores the massive strides L.A. has made in conservation while hyper-focusing on a closed-loop system that doesn't behave the way activists claim it does.
If you want to talk about "sustainability," let’s talk about the carbon footprint of the water we’d have to use to replace Mono Basin supplies. Let’s talk about the energy-intensive desalination or the massive pumps required to move State Water Project flows over the Tehachapi Mountains.
The "save the lake" crowd is inadvertently advocating for a more polluted, more energy-dependent California.
The Myth of the Fixed Target
The central argument of the Mono Lake Committee and its allies rests on a single number: 6,392 feet.
This is the management level set by the State Water Resources Control Board in 1994. The lake is currently hovering around 6,383 feet, and the alarmists are treating those nine feet like the edge of a cliff.
Here is what they won't tell you: Hydrology is not a static ledger.
Closed-basin lakes like Mono are designed by nature to fluctuate. They have been doing so for nearly a million years, long before the first Los Angeles aqueduct was a blueprint. To suggest that a specific, arbitrary elevation reached in a 1990s courtroom is the "natural" state of the lake is scientific hubris.
By demanding L.A. stop its exports—which represent a tiny fraction of the city’s total portfolio but provide high-quality, gravity-fed, carbon-free electricity—activists are demanding that the city trade "green" water for "gray" water.
When L.A. loses its Eastern Sierra supplies, it doesn't just "conserve" more. It buys more from the Metropolitan Water District. That water often comes from the Sacramento-San Joaquin River Delta or the Colorado River.
Congratulations: you "saved" a saline lake in the high desert by further stressing the most fragile estuary in the West (the Delta) and a river system currently facing a multi-state Tier 2 shortage (the Colorado). That isn't environmentalism. It’s NIMBYism disguised as ecology.
The Efficiency Tax: Punishing the Virtuous
People often ask: "Shouldn't a desert city like L.A. just use less water?"
The premise of the question is flawed because it assumes L.A. hasn't already done the work.
I have spent years looking at municipal consumption data, and the reality is staggering. Los Angeles uses roughly the same amount of total water today as it did in the 1970s, despite adding nearly two million people. The per-capita water use in L.A. is among the lowest of any major American city.
The residents have ripped out lawns, installed low-flow fixtures, and embraced recycled water. They have done their part.
When you demand further cuts to the Mono Basin exports, you are reaching the point of diminishing returns. You are asking for "emergency" cuts in a city that is already living in a state of permanent conservation.
This is what I call the Efficiency Tax. The more a city conserves, the less "slack" it has in its system for actual emergencies. By forcing L.A. to abandon its most reliable, lowest-carbon source of water, you are stripping away the reward for decades of responsible management.
The Carbon Cost of "Saving" Water
Let’s look at the physics.
The Los Angeles Aqueduct is a marvel of engineering because it works primarily via gravity. As water moves from the Eastern Sierra down to the city, it passes through a series of hydroelectric plants.
- It generates clean energy.
- It requires zero pumping.
- It has a negative carbon footprint.
Now, look at the alternatives.
If L.A. is forced to replace that water with supplies from the State Water Project, it has to be pumped over the mountains. The Edmonston Pumping Plant, which moves water into Southern California, is the single largest consumer of electricity in the state.
Every acre-foot of water shifted from the Mono Basin to the State Water Project increases California’s net carbon emissions. You cannot claim to be an environmentalist while advocating for a policy that directly increases the state’s energy demand and greenhouse gas output.
The trade-off is clear: you get a few more inches of water in a salty lake, and in exchange, you accelerate the climate change that is causing the very droughts threatening the lake in the first place. It is a feedback loop of idiocy.
The Dust Myth and the Brine Shrimp Panic
"But what about the air quality?" the critics cry. "The receding shoreline creates toxic dust!"
Let’s be precise. The Owens Lake dust issue—further south—was a genuine public health crisis, and the LADWP spent billions of dollars and massive amounts of water to mitigate it. It was one of the largest dust-control projects in human history.
Mono Lake is not Owens Lake.
The geography is different. The chemistry is different. Most importantly, the LADWP has already significantly reduced its diversions. The lake is not "drying up"; it is stabilizing in a new, modern equilibrium.
As for the brine shrimp (Artemia monica) and the alkali flies—the primary food source for migratory birds—there is no credible evidence that current levels are causing a population collapse. These species evolved to thrive in extreme, fluctuating environments. They are "extremophiles" for a reason.
The idea that the ecosystem is on the brink of total failure because the lake is at 6,383 instead of 6,392 is a projection of human anxiety, not biological fact.
Stop Asking the Wrong Question
The public discourse is stuck on: "How much water can we take away from L.A.?"
The real question should be: "How do we modernize the entire California water grid so we stop fighting over crumbs?"
Instead of litigating nine feet of water in the high desert, we should be fast-tracking the Operation Next project, which aims to recycle 100% of L.A.'s wastewater by 2035. We should be investing in brackish water desalination and massive-scale stormwater capture in the San Fernando Valley.
But those things are expensive and require complex engineering. It’s much easier for an activist group to file a lawsuit and demand L.A. "tighten its tap."
It’s a cheap win that yields a terrible long-term result.
The Uncomfortable Truth
If we actually followed the "logic" of the Mono Lake extremists, we would have to deconstruct every major city in the American West.
Every drop of water used in Phoenix, Las Vegas, Salt Lake City, and Denver is "taken" from an ecosystem that would be "better" if the water stayed put. That is the nature of civilization.
The goal of water management isn't to return the world to 1750. The goal is to sustain a modern society with the smallest possible footprint.
Los Angeles has proven it can grow while using less. It has proven it can manage the Mono Basin responsibly while still providing for its citizens.
To demand more is not an act of conservation; it is an act of hostility toward urban resilience.
Every time we force L.A. to look away from its historical, gravity-fed sources, we make the city—and the state—more fragile. We make it more dependent on the failing Colorado River. We make it more dependent on fossil-fuel-heavy pumping.
The status quo isn't the problem. The obsession with a 1994 "target level" that ignores the realities of 2026 is the problem.
Stop treating Los Angeles like the villain in a movie. It’s the only player in this game that has actually done the work to lower its demand. If you want to save California's environment, start looking at the carbon cost of your "solutions" and stop obsessing over a few inches of salt water.
The tap is tight enough. Leave it alone.
