{
  "schema_version": "0.1.0",
  "title": "WaterWiseKids Swim Access Atlas — Coverage Diagnostic Pilot",
  "status": "coverage_diagnostic_pilot",
  "published_on": "2026-11-11",
  "last_verified": "2026-11-11",
  "next_review_by": "2027-02-09",
  "license": "CC-BY-4.0",
  "access_score_publication_ready": false,
  "public_label": "Data coverage diagnostic — not an access score or swim-desert ranking",
  "methodology_note": "The pilot joins Census youth population with locations currently present in the WaterWiseKids school directory and starting pool list. Those WWK lists are not complete inventories, so the counts measure WWK data coverage, not all real-world access.",
  "ownership_disclosure": "WaterWiseKids and British Swim School businesses serving the Jersey Shore and Northwest Philadelphia share common ownership. That relationship is especially material in this pilot because several observed listings are affiliated schools.",
  "publication_gates": {
    "all_providers_geocoded": false,
    "provider_inventory_sample_audited": false,
    "year_round_access_verified": false,
    "drive_time_matrix_built": false,
    "price_coverage_sufficient": false,
    "scholarship_coverage_sufficient": false,
    "small_number_suppression_implemented": false,
    "minimum_unique_providers_per_county": 3
  },
  "sources": {
    "youth_population": {
      "title": "2024 ACS 5-Year Estimates, Table B09001",
      "url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b09001.dat",
      "sha256": "99bb4e04c9ae0c33935c34599a10ed0eac5b290cf2b9d219560ef98076656c80",
      "field": "B09001_E001",
      "checked_on": "2026-11-11"
    },
    "zcta_county_relationship": {
      "title": "2020 Census ZCTA-to-County Relationship File",
      "url": "https://www2.census.gov/geo/docs/maps-data/data/rel2020/zcta520/tab20_zcta520_county20_natl.txt",
      "sha256": "3ed41278d637dc249e0323306f68be8a6c234e3090f4de88ef328dee71aeaaaf",
      "method": "Assign each ZIP Code Tabulation Area to the county containing the largest land-area share.",
      "checked_on": "2026-11-11"
    },
    "schools": {
      "title": "WaterWiseKids directory snapshot",
      "path": "/swim-lessons/directory/schools-data.js",
      "completeness": "starting directory; not a complete provider census",
      "checked_on": "2026-11-11"
    },
    "pools": {
      "title": "WaterWiseKids Find a Pool v1",
      "path": "/assets/data/pools/pools-v1.json",
      "completeness": "starting list; not a complete pool census",
      "checked_on": "2026-11-11"
    }
  },
  "zcta_county_assignments": {
    "07701": "34025",
    "07731": "34025",
    "08723": "34029",
    "08753": "34029",
    "19150": "42101"
  },
  "counties": [
    {
      "fips": "34025",
      "name": "Monmouth County",
      "state": "NJ",
      "under_18_population": 134746,
      "under_18_population_moe": 52,
      "wwk_school_locations": 2,
      "wwk_public_pool_venues": 0,
      "observed_school_names": [
        "British Swim School at LA Fitness Howell",
        "Goldfish Swim School - Middletown"
      ],
      "interpretation": "The current WWK snapshot contains two geocoded lesson locations and no pool-list venue assigned to this county. This is evidence of incomplete WWK coverage, not evidence that Monmouth County has only two lesson providers or no public pools."
    },
    {
      "fips": "34029",
      "name": "Ocean County",
      "state": "NJ",
      "under_18_population": 163366,
      "under_18_population_moe": 85,
      "wwk_school_locations": 2,
      "wwk_public_pool_venues": 0,
      "observed_school_names": [
        "British Swim School at LA Fitness Brick",
        "British Swim School at LA Fitness Toms River"
      ],
      "interpretation": "The current WWK snapshot contains two geocoded lesson locations and no pool-list venue assigned to this county. Both observed schools share ownership with WWK, so this snapshot is materially incomplete and cannot support an access ranking."
    },
    {
      "fips": "42101",
      "name": "Philadelphia County",
      "state": "PA",
      "under_18_population": 334799,
      "under_18_population_moe": 53,
      "wwk_school_locations": 1,
      "wwk_public_pool_venues": 0,
      "observed_school_names": [
        "British Swim School at LA Fitness Cheltenham"
      ],
      "interpretation": "The current WWK snapshot contains one geocoded lesson location and no pool-list venue assigned to this county. The observed school shares ownership with WWK, so this snapshot is materially incomplete and cannot support an access ranking."
    }
  ]
}