{
  "name": "Water planning JSON endpoint",
  "description": "Returns gallons needed, gallons per day, days until empty, waste estimates, and conservation guidance from crew and tank assumptions.",
  "publisher": {
    "name": "OffGridRVHub",
    "url": "https://www.offgridrvhub.com"
  },
  "source": {
    "endpoint": "https://www.offgridrvhub.com/tools/api/water.json",
    "fullCalculator": "https://www.offgridrvhub.com/tools/water-calculator",
    "assumptions": "https://www.offgridrvhub.com/tools/calculator-assumptions",
    "documentation": "https://www.offgridrvhub.com/tools/calculator-api"
  },
  "caveat": "This is a planning estimate for RV education and comparison. It is not electrical, plumbing, safety, or installation advice.",
  "input": {
    "people": 2,
    "daysOffGrid": 5,
    "showersPerWeek": 2,
    "cookingStyle": "regular",
    "dishwashingMethod": "basin",
    "pets": 0,
    "climate": "mild",
    "rvType": "travel-trailer",
    "tankSizeGallons": 40
  },
  "result": {
    "gallonsNeeded": 105,
    "recommendedTankSize": 125,
    "conservationTip": "Your 40-gallon fresh tank runs short around day 1. Plan a refill or reserve jugs before counting on the full stay.",
    "gallonsPerDay": 21,
    "gallonsPerPersonPerDay": 10.5,
    "baseGallons": 32.5,
    "showerGallons": 35,
    "cookingGallons": 25,
    "dishwashingGallons": 8.5,
    "petGallons": 0,
    "climateGallons": 0,
    "grayWaterGallons": 60.9,
    "blackWaterGallons": 16.8,
    "daysUntilEmpty": 1.9
  }
}