Water Agriculture Use

{
  "cost_impact": {
    "estimated_water_cost_per_acre_almonds": "$875–$1750",
    "water_cost_per_acre_ft_groundwater": "$250–$500 (pumping + SGMA compliance)",
    "water_cost_per_acre_ft_surface": "$85–$220 (district dependent)",
    "year_over_year_change": "+22% vs 2024 — driven by SGMA pumping fees and scarcity premium"
  },
  "crop_water_budget": {
    "crop": "Almonds",
    "deficit_estimate_pct": 35,
    "estimated_acre_feet_per_acre": 3.5,
    "total_ca_almond_acreage": 1400000,
    "total_demand_acre_feet": 4900000
  },
  "query_summary": {
    "crop": "almonds",
    "irrigation_season": "April–October",
    "season": "2026",
    "state": "CA"
  },
  "risk_flags": [
    "SGMA sustainable yield limits tighten 2027 — expect further pumping restrictions",
    "Almond tree permanence makes water access risk existential vs annual crops"
  ],
  "strategic_guidance": "Growers with pre-1914 water rights or senior district contracts have material competitive advantage. Deficit irrigation scheduling (50-70% ET replacement) reduces nut size but preserves tree health under curtailment.",
  "water_availability": {
    "curtailment_detail": "Pre-1914 rights protected; junior rights (post-1914) receiving 0-15% of allocation in Sacramento/San Joaquin",
    "curtailments_active": true,
    "drought_status": "71% of state in D2-D4 drought",
    "groundwater_trend": "Declining — San Joaquin Valley wells 28% below 10-year median",
    "surface_water_allocation": "State Water Project deliveries at 15% of contract — below-average snowpack"
  }
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://waterpulse.theaslangroupllc.com/api/water/agriculture-use?crop=alfalfa&lang=en&state=CA'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://waterpulse.theaslangroupllc.com/api/water/agriculture-use?crop=alfalfa&lang=en&state=CA' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.15 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.15" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.15 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fwaterpulse.theaslangroupllc.com%2Fapi%2Fwater%2Fagriculture-use
const res = await pay("https://waterpulse.theaslangroupllc.com/api/water/agriculture-use?crop=alfalfa&lang=en&state=CA");
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.15 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.15"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://waterpulse.theaslangroupllc.com/api/water/agriculture-use?crop=alfalfa&lang=en&state=CA")
    print(res.status_code, res.text)