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nature finance·7 min read

beyond fallowing: watershed investment for agricultural water security

when curtailments hit 50-70%, the only long-term answer is investing in the source

The water district notice arrives. Allocations are cut 50%. Maybe 70%. Fields that have been productive for generations are going dry.

Fallowing is the only option they've given you. Take the payment. Idle the land. Wait for the water to come back.

But what if the water isn't coming back? And what if fallowing isn't the only option?

the curtailment reality

Across the American West, agricultural water users are facing historic cuts:

BasinSituation
Colorado RiverArizona agriculture facing 20-30% cuts; California preparing for worse
Central ValleyJunior rights holders receiving 0% allocation in dry years
Ogallala AquiferDepletion accelerating; some areas have 25 years of usable water left
Rio GrandeCompact obligations forcing curtailments across New Mexico, Texas
Klamath BasinIrrigators and endangered species competing for declining flows

These aren't temporary drought conditions. They're structural reallocation of a resource that's been over-allocated for decades. The legal and hydrological reckoning is here.

why fallowing isn't enough

Fallowing programs compensate farmers to idle land. They reduce demand. They don't address supply.

Fallowing DoesFallowing Doesn't
Reduce immediate water useRestore watershed function
Provide short-term incomeCreate long-term water security
Satisfy regulatory requirementsIncrease available supply
Keep land in agricultural statusBuild resilience to future curtailments

When you accept a fallowing payment, you're being paid to not farm. That works for a year or two. It's not a generational strategy.

the upstream opportunity

Agricultural water doesn't appear at the canal headgate. It originates in watersheds — mountains, forests, meadows, and snowpack that collect, store, and release water over the growing season.

Those watersheds are degraded:

DegradationImpact on Water Supply
Overgrown forestsHigher evapotranspiration, less runoff to streams
Degraded meadowsReduced natural storage, earlier peak flows
Eroded channelsLower water tables, disconnected floodplains
Lost beaver habitatNo natural dam building, reduced detention
Altered fire regimesCatastrophic fire followed by erosion and sedimentation

The water you're losing isn't just going to other users. It's being lost to dysfunctional watersheds before it ever reaches the river.

watershed restoration increases supply

Restoring natural watershed function can increase water yield:

InterventionMechanismYield Impact
Forest thinningReduce evapotranspiration, increase snowpack retention5-15% increase in runoff
Meadow restorationRaise water table, extend seasonal flows2-4 week extension of baseflow
Beaver reintroductionNatural dam building, wetland creationIncreased late-season flows
Floodplain reconnectionGroundwater recharge, reduced peak flowsMore stable annual supply

Denver Water has invested $33 million in forest health specifically because watershed condition determines water supply. They're not doing it for environmental reasons — they're doing it because it's cheaper to grow water in the forest than to build new infrastructure.

the investment case for agricultural water users

Consider a water district with 100,000 acre-feet of annual allocation facing 30% curtailment:

ScenarioWithout Upstream InvestmentWith Upstream Investment
Curtailment impact30,000 AF lost30,000 AF lost
Watershed restoration yield+5,000 AF recovered
Effective curtailment30%25%
10-year investment cost$15M
10-year value of recovered water$50M+

The math varies by basin, but the principle holds: investing in watershed function is often cheaper than the water you're losing.

how to structure the investment

water district approach

Agricultural water districts can invest collectively:

  1. Commission watershed analysis — Where is water being lost? What restoration would recover it?
  2. Structure ensurance syndicates — Pool grower assessments for watershed investment
  3. Deploy agents — Accounts for each restoration zone or project
  4. Issue certificates — Tradable instruments tied to specific watershed improvements
  5. Monitor with MRV — Gauge stations, soil moisture, streamflow to document yield improvements
  6. Claim the water — Document yield increases for allocation and banking purposes

individual operation approach

Large agricultural operations can invest directly:

  • Fund specific ensurance certificates tied to headwater restoration
  • Partner with upstream landowners for forest health and meadow restoration
  • Document water yield improvements for regulatory engagement
  • Position for water markets as tradeable supply increases

coalition approach

Multiple water users in the same basin can coordinate:

  • Shared investment in upper watershed restoration
  • Proportional allocation of yield improvements
  • Collective engagement with regulators and compact administrators
  • Basin-level agents managing ongoing stewardship

what BASIN provides

ServiceWhat You Get
Watershed & Hydrology ServicesYield analysis, restoration planning, water balance modeling
Ecological Field ServicesForest health treatment, meadow restoration, channel work
Syndicate FormationStructure for multi-party watershed investment
Ensurance IssuanceCertificates tied to yield-producing restoration
MRV & MonitoringContinuous streamflow and yield verification

See our full services overview.

existing instruments are available now

frequently asked questions

can upstream restoration really increase water supply?

Yes. The science is well-established. Forest thinning in overstocked watersheds can increase runoff by 5-15%. Meadow restoration extends baseflows. The question is which interventions make sense for your specific watershed.

who owns the water from yield improvements?

This varies by state water law. In most Western states, "salvaged" or "developed" water has specific legal treatment. We can help navigate the regulatory framework to ensure yield improvements translate to usable allocations.

how long until we see results?

Forest thinning shows runoff improvements within 1-2 years. Meadow restoration typically takes 3-5 years to reach full hydrological function. Document baseline conditions before restoration to quantify changes.

what if our watershed crosses jurisdictions?

Most do. Ensurance syndicates and agents can coordinate investment across ownership boundaries, states, and even federal lands. The water doesn't care about property lines.

can this work for groundwater-dependent agriculture?

Yes. Floodplain reconnection and managed aquifer recharge can improve groundwater supplies. The mechanisms are different but the investment logic is similar: fund natural infrastructure that produces water.

the bottom line

Fallowing is a short-term response to a long-term crisis. It doesn't create water — it just reduces who uses it.

The water you need is being lost in degraded watersheds before it ever reaches your headgate. Investing in upstream restoration can recover some of that water, reduce your effective curtailment, and build long-term security.

This isn't environmentalism. It's hydrology. And it's cheaper than losing your water rights to permanent curtailment.


related reading:

Explore watershed & hydrology services →

See natural assets in the binder →

Talk to someone about agricultural water →

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