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Field note · Conservation
Polvadera Creek · 7,000 ft

The Beavers' Work

Engineers we never hired.

43 acres · 1 creek · acequia since 1807

When the beavers came back to Polvadera Creek, they did in a few seasons what no restoration crew could. Willow by willow, they built a staircase of dams down the valley, and the creek slowed down.

Slow water is the whole story. It spreads, it sinks, and it stays. Today the ponds hold the creek through the dry months, and the valley floor stays green long after the hills turn gold.

We did not build this wetland. We stopped getting in its way. Our work now is to protect the dams, keep vehicles off the banks, and let the beavers keep their own schedule.

Walk the ponds at dusk and you may hear it before you see it: the slap of a tail on still water, then the long V-wake of a beaver heading home.

“The variety of bird life in this little valley is quite stunning.”

Rusty · Austin, TX
The science of slow water

What a beaver pond does.

01 · Filtration

Cleaner water downstream

Ponds settle out sediment, and the plants and microbes in their shallows pull nitrogen and other pollutants from the water before it moves on.

02 · Recharge

Water that stays

Water held behind each dam soaks down into the aquifer beneath the valley, the same water that rises in our springs and runs from our taps.

03 · Shade

A cooler creek

Willow and cottonwood return along wet banks. Their shade keeps the creek cool in August, which fish, insects and everything that eats them depend on.

04 · Refuge

A firebreak made of water

Wet beaver complexes resist wildfire and become refuges where plants and animals ride out the fire and recolonize after it passes.

6%
of Earth's land is wetland
40%
of species live or breed there
87%
of NM public water is groundwater
1807
our acequia's water right

Figures from the New Mexico Legislature's Water and Natural Resources Committee briefing on beaver restoration, 2024, and the Office of the State Engineer record for the Cienegita acequia.

Seen on the LAND

Who came back.

Mallards and teal on the upper pond
A great blue heron, standing perfectly still
Sandhill cranes calling overhead in October
Frogs singing from the shallows in spring
Dragonflies over the acequia in July
Mule deer at the water's edge at dawn
A beaver's V-wake at last light
Willow and cottonwood where there was bare bank
Our commitments

Stewards, not owners.

01

Protect the dams

We leave beaver dams where the beavers put them, and we plan paths and gatherings around the ponds, not through them.

02

Keep the banks wild

No vehicles on the creek banks. Willow and cottonwood are left to spread, and we plant more where the bank is bare.

03

Share the water

Our acequia has carried water since 1807. We tend it with our neighbors, the way it has always been tended: by agreement, by hand.

04

Watch and record

Birds, water and seasons are logged so we can see what is changing. Guests are welcome to add what they see.

an invitation to
The place to create
your greatest work.