Denver Water Report: November 30, 2025

Well folks, it's the last day of November and Denver's water situation is heating up in more ways than one. Let's dive into what's been happening with our precious water supply.

First, some good news on the precipitation front. Over the past couple of days, Colorado experienced a significant winter storm. According to weather reports, the state saw impressive snow totals from November 28 through 29, with some mountain passes recording up to 10.8 inches of snow. While Denver proper didn't get walloped quite as hard, the moisture is welcome news for our water systems as we head into winter.

Speaking of moisture, November has been dry overall in Denver. The month saw only 0.08 inches of precipitation, which is just 13 percent of the normal 0.64 inches typically expected. That's notably below average, folks. However, this month did bring some unusual warmth to our Mile High City. The monthly mean temperature hit 49.5 degrees Fahrenheit, which is 10.1 degrees above normal. That's a record-breaking warm November for Denver.

Now, here's where things get serious. While we've been enjoying warmer weather, the Colorado River situation continues to deteriorate. Seven states that depend on this critical waterway, including Colorado, missed a crucial federal deadline on November 11 to reach a new water management agreement. This is significant because the Colorado River supplies water to about 40 million people and supports millions of acres of farmland.

The situation is dire. Lake Powell, which serves the Upper Basin states where Colorado resides, is sitting at approximately 29 percent capacity. That's critically low. Lake Mead, which serves the Lower Basin, is at 31 percent. Both reservoirs are lower than they were just a year ago, and the Bureau of Reclamation estimates that by 2035, the river will provide only about 11.4 million acre-feet of water. That's a dramatic decline.

What's driving all this tension? A 25-year drought has reduced the river's flow by millions of acre-feet. The big sticking point in negotiations is how to fairly distribute water cuts into the foreseeable future. Upper Basin states like Colorado argue they shouldn't be solely responsible for meeting downstream delivery obligations under current hydrologic conditions, while Lower Basin states insist enforceable cuts are essential.

On a local water quality note, Colorado passed a law over two years ago to prevent people from flushing wipes down toilets. According to Metro Water Recovery, which services Denver and surrounding municipalities, these wipes don't biodegrade properly and create major problems in our sewer systems. While there's been some improvement since the law passed, wipes continue to clog pipes across the region.

For context, Colorado gets more water from the Colorado River than its three other Upper Basin state partners combined. That makes these negotiations absolutely critical for our state's future. Environmental groups

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Denver’s water story for this late November has been one of weather whiplash and the challenge of managing ever-changing supplies across a warming climate. As reported by Denver7, the Colorado Climate Center’s Water Year 2025 review marked the last 12 months as the tenth warmest on record for the state and the 51st driest, though conditions have fluctuated widely across regions. Climatologist Becky Mazurek noted that temperatures have continued to trend higher, which reduces snowpack and contributes to more extremes, from sudden flooding to drought.

Looking at just the last 48 hours, Denver has seen a return to sun after a bout of patchy rain and cool temperatures. According to Easeweather, November 23 brought patchy rain with a high around 9 degrees Celsius and some measurable moisture, about 4.7 millimeters. But today, November 24, skies turned sunny, with a high near 14 degrees Celsius and virtually no rain. There’s been no new snow since before the weekend, and forecast models suggest calmer, drier conditions for a few more days.

Despite this recent calm, Denver has already experienced notable snowfall in November. Weather25.com totals the city at about 3.6 centimeters of snow so far, while Easeweather, looking at a broader Denver County area, reports accumulations closer to 8.8 inches for the month—a sign that some neighborhoods felt winter’s touch more than others. Overnight lows have been fluctuating from just below freezing up to the mid-single digits Celsius, and average high temperatures for the month have hovered around 11 or 12 degrees. That’s a few degrees warmer than historic averages, as tracked by weatherandclimate.info, which recorded Denver’s mean temperature for November so far at 55.3 degrees Fahrenheit, notably 3.3 degrees above normal.

On the water supply side, the unusually dry trends are also leaving an impact. The Independent reported that water storage serving the metro area was at about 65 percent of total capacity in mid-November. The city council in nearby Aurora asked restaurants to serve water only on request, illustrating how conservation is moving from policy to daily practice. For drinking water, there have been no new quality alerts in Denver itself, but officials remain vigilant; the warmer-than-usual temperatures can encourage algal growth in reservoirs, a risk that utility managers monitor closely.

Meanwhile, Denver Water has been in the news for its long-term planning: Water Education Colorado reports that Denver Water closed a deal to purchase 230 acres at Lazy Heart Ranch for $5.6 million, a move geared toward both protecting local water rights and expanding future supplies. And in a historic step this week, state officials approved the Western Slope’s plan to transfer water rights from the Shoshone Power Plant, aiming to provide more reliable river flows for decades. The Colorado Sun reports near-unanimous support, with a few Front Range utilities voicing concerns about how those decisions could affec

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Denver’s water story took a dramatic turn over the past 48 hours as the region finds itself at the crossroads of drought, fluctuating reservoir levels, and critical negotiations about the future of water in the entire Colorado River Basin. For residents waking up this Sunday, here’s what you need to know about your local water and weather scene.

The big headline: Talks among the seven states relying on the Colorado River just missed a crucial federal deadline to hammer out a plan for how to share the river’s water, a source that supports 40 million people across the West. According to the Colorado Sun, the current rules for managing how the river’s two main reservoirs, Lake Mead and Lake Powell, store and release water expire at the end of next year, and water officials failed to reach new guidelines before the November 11 deadline. Colorado Politics adds that both reservoirs are now at critically low levels—Lake Powell is down to just 29 percent of capacity, while Lake Mead is at 31 percent, both sitting lower than they were this time last year.

This week’s weather in Denver added its own twist. Weather25.com and Weather2Travel.com both report that November has been cold and wet, with daytime highs hovering around 11 or 12 degrees Celsius and nighttime temperatures close to zero. Residents have seen about two days of rain and one day of snow in the first half of the month, totaling around 22 to 24 millimeters of precipitation so far. Weather and Climate Info notes, however, that as of today, actual precipitation is lagging behind the historical November average, with Denver recording no significant rainfall yet this month. The forecast calls for more cold temps, so keep those warm coats and boots handy.

Zooming out, heavy autumn rain across Colorado in October made a real splash in some regions. CPR News highlights that gauges near the San Juan Mountains recorded a whopping 7 to 10 inches of rain over just a week, enough to flood homes and wash away drought conditions locally. Unfortunately, statewide and for the Colorado River basin, these dramatic rains are like “a drop in the bucket” compared to the massive water deficits built up over two decades of drought. Peter Goble, assistant state climatologist, emphasized to CPR that while soil moisture and local streamflows improved, much more snowpack will be needed this winter to refill big reservoirs and restore balance to the system.

Even as Denver’s local drinking water supply remains safe and reliable, the uncertainty at the basin-wide level could eventually create ripple effects here at home. The Colorado River’s declining flows threaten both drinking water and hydropower for millions—including anyone turning on the tap in Denver or powering their devices with energy generated downstream. Federal agencies warn that based on current projections, Lake Powell could reach levels that force a shutdown of its hydropower turbines as early as late 2026 if dry conditions persist.

There’s also a cl

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Denver residents woke up to clear, brisk sunshine this Sunday after a remarkable stretch of weather and water news making headlines across the metro. Over the past 48 hours, the city has experienced dry, cold mornings with no measurable rain or snow since Friday. According to current data from multiple weather trackers, Denver hasn’t received any precipitation since earlier in the week, leaving rain gauges empty and sidewalks free from recent moisture.

Denver Weather and Climate notes that the start of November has been noticeably chilly, with daytime highs averaging around 12 degrees Celsius, or roughly 54 degrees Fahrenheit, and nighttime lows dropping as far as minus 4 Celsius, about 25 degrees Fahrenheit. Despite these cold snaps, no new snow has fallen in the last two days, keeping the month’s cumulative snowfall below the city’s typical average. The November norm, according to Weather2Travel, features around six days of rain and an average monthly rainfall near 22 millimeters, or under an inch; but so far, November has been drier than usual, with precipitation totals this month at zero according to weatherandclimate.info.

The absence of recent rainfall follows a long-term pattern. The Colorado Sun reported that October’s total precipitation was only about 14 percent of normal, underscoring that Denver and much of Colorado have entered the winter with considerably less water stored in soils and reservoirs than is typical for this time of year.

And the timing is crucial, as water supply and river management are dominating regional headlines. Over the past 48 hours, Colorado’s pivotal negotiations on the Colorado River continued behind closed doors, with The Los Angeles Times highlighting the federal government’s push for urgent agreements among western states by Tuesday, given Lake Mead and Lake Powell are both hovering at less than one-third of full capacity. These reservoirs are essential for Denver’s water supply as well as for millions downstream, and scientists have called this the driest 25-year period in the last 1,200 years.

Meanwhile, a local flashpoint remains the massive Gross Reservoir expansion in Boulder County. According to recent coverage by The Colorado Sun, legal disputes have flared between Denver Water and environmental groups over the project’s $531 million dam-raising effort meant to secure drinking water for a million metro residents. Federal judges have recently ordered both sides into mediation, as opponents argue the project did not sufficiently consider drought, climate change, and environmental impacts. Construction is still in progress, with Denver Water actively pouring concrete to bring more storage online for the northern half of the city’s water delivery. While the final outcome remains uncertain, leaders from both sides expressed hope for a solution that secures water reliability without further environmental damage.

For now, Denver’s drinking water quality remains high, and city taps continue to flow w

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Denver’s water scene over the last 48 hours has been as dynamic as ever, with eyes on everything from drinking water quality, rain totals, snow outlooks, and the ongoing debate surrounding major water projects.

Starting with precipitation, Denver has been mostly dry the past two days, with sunny skies dominating and temperatures swinging from brisk mornings near 20 degrees Fahrenheit to afternoons reaching up to 26 on November 2. No measurable rain or snow has hit Denver this weekend, following recent trends for early November as reported by Easeweather and Sunheron. So far this month, Denver’s November average sits around 34 millimeters of rain, typically spread over about six days, so local reservoirs haven’t seen dramatic recharge this week.

The clean and crisp air is good news for tap water aficionados. Denver Water, the authority supplying over a million metro residents, continues regular testing on drinking water delivered from its surface and mountain storage. No boil advisories have been issued recently, and current reports confirm water quality is high, thanks in part to recent upgrades and ongoing treatment improvements, according to Denver Water’s latest statements.

But behind the scenes, Denver’s water policy is a hot topic. This weekend, mediation continues between Denver Water and Save the Colorado, following a federal appeals order late last month. Both parties are trying to hash out an agreement about raising Gross Reservoir’s dam, a $531 million storage expansion project that could reshape how Denver manages future supply. Denver Water contends the project is necessary to balance their north and south system and secure enough reserves for drought resilience. Environmental groups argue that further reservoir development threatens the Colorado River Basin’s fragile ecosystem and doesn’t sufficiently account for climate change and deepening drought trends, as covered by The Colorado Sun. The courts briefly halted construction over permitting concerns—specifically that climate change impacts were not properly considered in federal approvals—but for now, thousands of tons of concrete are still pouring into the expanded Gross Reservoir.

Drinking water use in Denver, meanwhile, has been dropping, with recent conservation efforts reducing daily residential consumption by over 40 percent compared to much earlier years. That puts Denver ahead of national averages and gives hope that the city can weather a dry spell, even as local river basins face mounting shortages.

Looking ahead for this week, expect pleasant fall weather with mostly sunny skies, minimal precipitation and chilly nights. The snow outlook is quiet for the next two weeks, which means skiers may need to wait for fresh powder, but hikers can still enjoy crisp, clear trails. The sun is sticking around—average daylight hours for Denver in November hover near 10 per day.

With Colorado’s next Water Conservation Board meeting set for November 19, more debates over river mana

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Denver’s water story over the past 48 hours centers on clear skies, minimal precipitation, major infrastructure upgrades, and reassuring news about the taps supplying its 1.5 million residents. Following a dry October so far, the Denver area saw no notable rain—October rain totals languish at just 0.08 inches, which is 8 percent of the normal 0.99 inch for the month, according to Weather and Climate Info. AccuWeather and other forecast services confirm that these last two days were rain-free, with temperatures mostly at or just above average—maximums in the lower 60s and chilly nights around the mid-40s.

For those wondering about their drinking water, Denver Water has poured resources—literally and figuratively—into keeping supplies reliable and high quality. The Denver Metro Chamber of Commerce reports the utility’s largest facility, the Foothills Treatment Plant near Roxborough, kicked off a $12 million upgrade project. These improvements involve updating electrical systems, swapping out 48 aging water control valves, and modernizing a hydropower generator that’s been in place since the mid-1980s. This plant alone can treat up to 280 million gallons per day, making it a backbone of the metro’s tap water. At the same time, construction continues on a $600 million North System renewal, including a high-tech treatment facility and a new pipeline, all to safeguard and modernize service for 1.4 million metro residents.

The forecast for water abundance is secure even though the skies have stayed dry recently. Denver Water’s CEO Alan Salazar told Coyote Gulch and Denver Water, these investments are part of a $1.7 billion, decade-long plan to upgrade pipes, storage, and treatment to withstand warming temperatures and more variable weather. The Board of Water Commissioners approved a small rate increase for 2026, emphasizing the need for conservation and equity to keep clean water affordable for everyone. According to Denver Water, continued upgrades and system resilience have never been more critical, with the region investing in readiness for drought and climate challenges.

A note for those tracking area reservoirs and big water projects: legal drama surrounding Gross Dam continues, with mediation between Denver Water and environmental groups scheduled for the end of this month. Construction on raising the dam wall resumes, aiming to provide crucial new storage on the north side of Denver’s delivery system, balancing out heavy reliance on southern storage basins, according to the Colorado Sun.

Despite the lack of rain and the early freeze warnings at night, there are no reported issues with water quality. Denver’s drinking water remains safe, thanks to rigorous treatment, ongoing upgrades, and year-round monitoring by teams of engineers, water quality specialists, and plant operators who never stop working behind the scenes.

For anyone keeping an eye on future conditions, remember that October generally isn’t a rainy month for Denver. The five av

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Denver’s water story for this third weekend of October 2025 is all about low rainfall, careful management, and a city keeping a keen eye on its future water needs. According to Weather and Climate Info, Denver has seen just 0.08 inches of precipitation so far this October, which is only about 8 percent of what’s typical for the month. Over the past 48 hours, not a drop of rain has officially fallen, and skies have stayed sunny and dry, which means local reservoirs and water storage are going mostly untopped by recent weather. That’s backed up by Weather25, which notes that in October, Denver can expect just a few rainy days—usually not more than three within the whole month—and typically gets a few days with light snow toward the end, but through this weekend, the outdoors has remained dry and crisp.

The rain deficit stands out even more when comparing it with the norm: Denver’s normal October rainfall is 0.99 inches, but this year, the city is seeing the reservoirs and creeks run at late-season levels with little sign of a boost. Temperatures have been trending above average, too, with daily highs recently reaching the mid- to upper-60s and overnight lows cool but not frigid, making those crisp autumn mornings easy to enjoy while reminding water managers that evaporation is running higher than usual for late October.

Aurora’s Water Policy Committee, in its meeting this past week, emphasized that demands on Denver’s regional water system aren’t getting any lighter. According to the committee, evaporation and stream losses are up sharply, nearly doubling since 2012 thanks to ongoing climate warming. Their network relies on water pulled from more than a dozen reservoirs stretched across the Colorado, Arkansas, and South Platte basins, and every drop is actively tracked and managed. Water for drinking is still deemed safe and plentiful for now, thanks to this robust system and dedicated teams working around the clock to protect supply and quality, even as the committee keeps a watchful eye on “Murphy’s Law” events like late-night pipe breaks or system hiccups.

No water quality issues affecting drinking water were reported in the last 48 hours. Municipal sources continue to claim high-quality water output and strict safety monitoring, and there have been no public alerts regarding taste, odor, or contaminants.

Looking outside city limits, concerns about regional water supply are always just below the surface, with population growth in Northern Colorado and broader legal disputes over sources like the South Platte River. While these big-picture issues sometimes spark headlines, Denver proper has avoided immediate shortages or alerts, relying on careful reserves and strategic planning to keep taps flowing and lawns green as autumn advances.

With sunny skies and no precipitation in the immediate forecast, residents are encouraged to continue everyday water-wise habits—both for their own bills and to support the resilience of the system.

Thanks fo

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In Denver, Colorado, water management continues to be a pressing issue. The ongoing drought has led to a decrease in water supply, while the population's demand for water is rising. Over the past 48 hours, Denver's weather has seen a mix of warm and cool days, with temperatures reaching highs of 58°F and lows of 42°F. Precipitation in October has been minimal, with only about 7% of the normal amount falling so far.

Denver Water has reported a "sputtering, underwhelming" water year, highlighting the persistent decline in water supply. This has led to new water rates starting in January 2025 to fund critical upgrades and projects.

In the broader region, farmers and ranchers along the Colorado River are reducing water usage due to low water flows. The Colorado River's management guidelines are set to expire by the end of 2026, prompting discussions on future water allocation among states.

Northern Colorado is also considering large-scale water projects, such as the Northern Integrated Supply Project, to address future water needs amid growing populations.

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Denver has been enjoying a spell of stable weather over the past 48 hours, but the city’s relationship with water remains right at the heart of local conversations. Let’s dive into what’s been happening with rain, reservoirs, and your drinking water as of today, October 5, 2025.

Denver started the first October weekend under sunny skies and brisk autumn temperatures. According to Weather25, daytime highs recently hovered between 16 and 23°C, with overnight lows dropping close to 8°C and even lower. That’s consistent with typical early October patterns — cool mornings and pleasantly mild afternoons. In terms of precipitation, the area received virtually no rain over the weekend; October 3 brought only a trace at 0.4 mm, and both the 4th and 5th saw dry skies as reported by EaseWeather and Weather2Travel. So far, the city’s monthly rainfall remains well below the long-term average, with meteorological records showing that October typically brings Denver about 24 mm of rain spread over 5 days, but this week hasn’t contributed much to that tally at all.

While some snow is a hallmark of Denver Octobers, there’s been no sign of flurries or accumulation yet and none are expected in the near future. That’s a reprieve for many, but it means residents should stay mindful about water use. The city largely relies on stored mountain snowmelt and river flows, and both weather and population growth are putting ongoing pressure on those sources.

Underground, the story is more complex. SkyHiNews notes that the Denver Basin aquifers — crucial backstops for regional water supply — continue to be depleted. These aquifers receive very little recharge from mountain precipitation, compounding long-term sustainability concerns, especially for communities in the southern metro area that depend on wells. In response, cities like Parker and Castle Rock are teaming up with agricultural partners far afield to secure new water supplies from the South Platte River. These arrangements involve heroic engineering — imagine pumping water across 125 miles and elevating it by 2,000 feet. Such efforts underline just how fierce the demand for drinking water is growing, despite all conservation successes.

There’s innovation on the horizon, though. A recent rainwater harvesting pilot, covered by Water Education Colorado, is wrapping up after several years of testing. The pilot demonstrated that with investment and care, significant rainwater can be captured, purified, and added to supplies — enough to serve hundreds of homes in just one Douglas County neighborhood. Lawmakers are now considering whether to extend programs like these across the metro, which could help ease the pressure on both groundwater and rural communities whose water is often eyed by city planners.

For everyday users, there’s good news on the tap water front. Denver Water remains committed to high-quality standards, and there have been no reports of supply disruption or quality concerns this weekend. Local utili

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Denver has just made weather history with a soaking no one will soon forget. As reported by CBS News Colorado and the Denver Gazette, on Tuesday, September 23, the Mile High City shattered its daily rainfall record when 1.28 inches of precipitation fell at Denver International Airport. This is the most rain Denver has ever recorded on a September 23rd since records began in 1872. The previous record was just 0.83 inches, set back in 2017. Some neighborhoods inside Denver, like Central Park, recorded 1.33 inches, and foothills to the west saw totals over 2.4 inches. For perspective, that's the most rain Denver downtown has received in a single day since June 2023.

While the downpour meant umbrellas and rain boots were the fashion of choice, meteorologists had some fun with the numbers: if that rain had been snow – and temperatures had been colder – Denver could’ve been buried under more than 16 inches! In the foothills, where the rain was heavier, that conversion would have meant more than 31 inches of snow, according to the Denver Gazette.

All that moisture has pushed the city’s precipitation totals for September up to 1.42 inches, which is slightly above the monthly average of 1.35 inches, as noted by Weather and Climate Info. September’s average temperature in Denver is holding steady at a comfortable 64.8 degrees Fahrenheit, nearly right in line with the city’s long-term trend.

After this historic rainfall, the skies are clearing and the forecast looks sunny and warm for the coming week. Highs are expected in the lower 70s Wednesday, climbing to the 80s on Thursday and Friday, offering residents a chance to dry out and enjoy some classic Colorado autumn sunshine.

But despite this week’s abundance of water, long-term concerns remain for Denver’s water future. According to recent reports in Colorado Politics, a major debate is underway over the management of Shoshone water rights on the Colorado River, which supplies much of Denver’s drinking water. Denver Water, which provides for 1.5 million people, is worried that proposed changes to how historic water use is measured could threaten the amount of water available to the city, especially during times of drought or if the Shoshone hydroelectric plant goes offline for maintenance. Water agencies across the Front Range are urging the Colorado Water Conservation Board to proceed with caution so vital drinking water supplies remain protected in the years ahead.

This week’s record-setting rainfall is a welcome gift, but experts say it’s only one piece of the puzzle. Water managers and meteorologists both agree: Denver is in for a future where every storm, every drop, and every water right counts more than ever.

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