Water right appropriations, transfers, and curtailment notices normalized across western state engineer systems. Priority dates and point-of-diversion joins included.
Records
3.4M
Rights, transfers, curtailments
Priority dates
170yrs
Back to first appropriations
New records
~9,000/mo
17 western state systems
Freshness
Monthly
JSON · Aggregation · included in subscription
Volume figures are illustrative placeholders until the coverage audit publishes.
qstringFree-text search over record fields
jurisdictionstringState, county, agency, or venue code
since / untilISO dateFiling or event date window
limitnumberMax records per response (default 25, max 500)
Shared parameters shown; the tool's full input schema is served by the MCP server at connection time.
{
"tool": "env.waterrights",
"params": {
"q": "curtailments colorado river",
"since": "2026-01-01",
"limit": 25
}
}| Field | Type | Description |
|---|---|---|
| right_id | string | State right identifier |
| state | string | State |
| priority_date | ISO date | Appropriation priority |
| source | string | Water source |
| point_of_diversion | string | POD legal description |
| use_type | string | irrigation | municipal | industrial |
| cfs | number | Flow in cubic feet per second |
| status | string | active | curtailed | transferred |
{
"right_id": "CO-W-88231",
"state": "CO",
"priority_date": "1912-04-18",
"source": "SOUTH PLATTE RIVER",
"point_of_diversion": "SW4 SEC12 T4N R66W",
"use_type": "irrigation",
"cfs": 2.4,
"status": "active"
}energy.queues
Generator and storage interconnection requests with queue position, capacity, fuel type, and study status normalized across grid operators.
All 7 ISOs/RTOs + 38 utilities
energy.leases
Federal and state mineral lease sales, assignments, and drilling permits joined to operator records. Track acreage accumulation by operator or basin.
Fed + state leases · 12 producing states
env.permits
Environmental permit applications, modifications, and enforcement actions across EPA and state-delegated programs. Facility expansion signals in permit form.
NPDES, Title V, RCRA · nationwide