{
 "data_as_of": "2026-10-14",
 "source": {
  "contaminant_names": "https://echodata.epa.gov/echo/rest_lookups.sdwa_contaminants?output=JSON",
  "filter": "PRIMACY_AGENCY_CODE = DE (systems Delaware regulates)",
  "geographic_area": "https://data.epa.gov/efservice/GEOGRAPHIC_AREA/PRIMACY_AGENCY_CODE/DE/ROWS/0:9999/JSON",
  "license": "US public domain",
  "name": "EPA Safe Drinking Water Information System (SDWIS), via Envirofacts",
  "system_report": "https://echo.epa.gov/detailed-facility-report?fid=",
  "violation": "https://data.epa.gov/efservice/VIOLATION/PRIMACY_AGENCY_CODE/DE/ROWS/0:19999/JSON",
  "water_system": "https://data.epa.gov/efservice/WATER_SYSTEM/PRIMACY_AGENCY_CODE/DE/ROWS/0:9999/JSON"
 },
 "systems": [
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   "county": "Sussex",
   "deactivated": null,
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   "name": "Peddlers Village Shopping Center",
   "population": 165,
   "pwsid": "DE0000001",
   "source": "GW",
   "type": "NTNCWS",
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    {
     "begin": "2012-01-01",
     "category": "MR",
     "contaminant": "Lead and Copper Rule",
     "contaminant_code": "5000",
     "end": null,
     "health_based": false,
     "id": "111",
     "returned_to_compliance": "2012-10-01",
     "rule_code": "350",
     "violation_code": "52"
    },
    {
     "begin": "2009-01-01",
     "category": "MR",
     "contaminant": "Lead and Copper Rule",
     "contaminant_code": "5000",
     "end": null,
     "health_based": false,
     "id": "109",
     "returned_to_compliance": "2009-02-03",
     "rule_code": "350",
     "violation_code": "52"
    }
   ]
  },
  {
   "activity": "N",
   "city": "Woodside",
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   "deactivated": "2016-06-20",
   "epa_name": "POLYTECH HIGH SCHOOL",
   "name": "Polytech High School",
   "population": 1550,
   "pwsid": "DE0000003",
   "source": "GW",
   "type": "NTNCWS",
   "violations": [
    {
     "begin": "2004-01-01",
     "category": "MR",
     "contaminant": "Lead and Copper Rule",
     "contaminant_code": "5000",
     "end": null,
     "health_based": false,
     "id": "304",
     "returned_to_compliance": "2005-01-13",
     "rule_code": "350",
     "violation_code": "51"
    },
    {
     "begin": "1993-10-01",
     "category": "MCL",
     "contaminant": "Coliform (TCR)",
     "contaminant_code": "3100",
     "end": "1993-12-31",
     "health_based": true,
     "id": "194",
     "returned_to_compliance": "2016-06-20",
     "rule_code": "110",
     "violation_code": "21"
    },
    {
     "begin": "1993-10-01",
     "category": "MCL",
     "contaminant": "Coliform (TCR)",
     "contaminant_code": "3100",
     "end": "1993-12-31",
     "health_based": true,
     "id": "1094",
     "returned_to_compliance": "2016-06-20",
     "rule_code": "110",
     "violation_code": "21"
    },
    {
     "begin": "1986-01-30",
     "category": "MCL",
     "contaminant": "Coliform (Pre-TCR)",
     "contaminant_code": "3000",
     "end": "1986-04-29",
     "health_based": true,
     "id": "4386",
     "returned_to_compliance": "2016-06-20",
     "rule_code": "500",
     "violation_code": "02"
    }
   ]
  },
  {
   "activity": "A",
   "city": "Smyrna",
   "county": "Kent",
   "deactivated": null,
   "epa_name": "GARRISON LAKE PUMP DISTRICT",
   "name": "Garrison Lake Pump District",
   "population": 17148,
   "pwsid": "DE0000004",
   "source": "GW",
   "type": "CWS",
   "violations": [
    {
     "begin": "2001-07-01",
     "category": "MR",
     "contaminant": "Lead and Copper Rule",
     "contaminant_code": "5000",
     "end": null,
     "health_based": false,
     "id": "301",
     "returned_to_compliance": "2001-10-23",
     "rule_code": "350",
     "violation_code": "51"
    }
   ]
  },
  {
   "activity": "A",
   "city": "Townsend",
   "county": "New Castle",
   "deactivated": null,
   "epa_name": "FREDERICK LODGE PUMP DISTRICT",
   "name": "Frederick Lodge Pump District",
   "population": 204,
   "pwsid": "DE0000007",
   "source": "GW",
   "type": "CWS",
   "violations": []
  },
  {
   "activity": "A",
   "city": "Middletown",
   "county": "New Castle",
   "deactivated": null,
   "epa_name": "MT PLEASANT MHP, LLC",
   "name": "Mt Pleasant MHP, LLC",
   "population": 117,
   "pwsid": "DE0000008",
   "source": "GW",
   "type": "CWS",
   "violations": [
    {
     "begin": "2022-07-01",
     "category": "Other",
     "contaminant": "Consumer Confidence Rule",
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     "end": null,
     "health_based": false,
     "id": "1119",
     "returned_to_compliance": "2022-10-31",
     "rule_code": "420",
     "violation_code": "71"
    },
    {
     "begin": "2021-07-01",
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     "contaminant": "Lead and Copper Rule",
     "contaminant_code": "5000",
     "end": null,
     "health_based": false,
     "id": "1118",
     "returned_to_compliance": "2021-10-14",
     "rule_code": "350",
     "violation_code": "52"
    },
    {
     "begin": "2017-07-01",
     "category": "Other",
     "contaminant": "Consumer Confidence Rule",
     "contaminant_code": "7000",
     "end": null,
     "health_based": false,
     "id": "1117",
     "returned_to_compliance": "2017-07-13",
     "rule_code": "420",
     "violation_code": "71"
    },
    {
     "begin": "2013-07-01",
     "category": "Other",
     "contaminant": "Consumer Confidence Rule",
     "contaminant_code": "7000",
     "end": null,
     "health_based": false,
     "id": "1115",
     "returned_to_compliance": "2013-10-24",
     "rule_code": "420",
     "violation_code": "71"
    },
    {
     "begin": "2010-01-01",
     "category": "MR",
     "contaminant": "Lead and Copper Rule",
     "contaminant_code": "5000",
     "end": null,
     "health_based": false,
     "id": "1112",
     "returned_to_compliance": "2010-12-13",
     "rule_code": "350",
     "violation_code": "52"
    },
    {
     "begin": "2008-01-01",
     "category": "MR",
     "contaminant": "Lead and Copper Rule",
     "contaminant_code": "5000",
     "end": null,
     "health_based": false,
     "id": "908",
     "returned_to_compliance": "2008-12-31",
     "rule_code": "350",
     "violation_code": "52"
    },
    {
     "begin": "2007-07-01",
     "category": "Other",
     "contaminant": "Consumer Confidence Rule",
     "contaminant_code": "7000",
     "end": null,
     "health_based": false,
     "id": "808",
     "returned_to_compliance": "2009-07-21",
     "rule_code": "420",
     "violation_code": "71"
    },
    {
     "begin": "2006-07-01",
     "category": "Other",
     "contaminant": "Consumer Confidence Rule",
     "contaminant_code": "7000",
     "end": null,
     "health_based": false,
     "id": "607",
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     "rule_code": "420",
     "violation_code": "71"
    },
    {
     "begin": "2003-07-01",
     "category": "Other",
     "contaminant": "Consumer Confidence Rule",
     "contaminant_code": "7000",
     "end": null,
     "health_based": false,
     "id": "1110",
     "returned_to_compliance": "2003-12-11",
     "rule_code": "420",
     "violation_code": "72"
    }
   ]
  },
  {
   "activity": "I",
   "city": null,
   "county": "New Castle",
   "deactivated": "2002-08-09",
   "epa_name": "AU CLAIR SCHOOL",
   "name": "Au Clair School",
   "population": 40,
   "pwsid": "DE0000010",
   "source": "GW",
   "type": "CWS",
   "violations": [
    {
     "begin": "2001-07-01",
     "category": "MR",
     "contaminant": "Lead and Copper Rule",
     "contaminant_code": "5000",
     "end": null,
     "health_based": false,
     "id": "302",
     "returned_to_compliance": "2002-08-09",
     "rule_code": "350",
     "violation_code": "51"
    }
   ]
  },
  {
   "activity": "A",
   "city": "Smyrna",
   "county": "New Castle",
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   "epa_name": "DELAWARE CORRECTIONAL CENTER",
   "name": "Delaware Correctional Center",
   "population": 2000,
   "pwsid": "DE0000011",
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   "type": "CWS",
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    {
     "begin": "2022-07-01",
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     "contaminant": "Consumer Confidence Rule",
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    {
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     "health_based": false,
     "id": "397",
     "returned_to_compliance": "2015-07-02",
     "rule_code": "420",
     "violation_code": "71"
    },
    {
     "begin": "1994-01-01",
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     "contaminant": "Lead and Copper Rule",
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     "health_based": false,
     "id": "394",
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   ]
  },
  {
   "activity": "I",
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   "county": "New Castle",
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   "name": "Fort Dupont",
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   "pwsid": "DE0000013",
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     "begin": "2015-01-01",
     "category": "MR",
     "contaminant": "Lead and Copper Rule",
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     "end": null,
     "health_based": false,
     "id": "1606",
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    {
     "begin": "2009-10-01",
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     "health_based": false,
     "id": "1605",
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     "id": "806",
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     "violation_code": "72"
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    {
     "begin": "2005-07-01",
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    {
     "begin": "2004-07-01",
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     "contaminant": "Consumer Confidence Rule",
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     "health_based": false,
     "id": "1604",
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    {
     "begin": "2003-07-01",
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     "end": null,
     "health_based": false,
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   ]
  },
  {
   "activity": "I",
   "city": "Winterthur",
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   "pwsid": "DE0000015",
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     "begin": "2011-01-01",
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    },
    {
     "begin": "2010-10-01",
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    {
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    {
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    {
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    {
     "begin": "2003-07-01",
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     "contaminant": "Consumer Confidence Rule",
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     "health_based": false,
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     "violation_code": "71"
    },
    {
     "begin": "1998-04-01",
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     "contaminant": "Coliform (TCR)",
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     "health_based": true,
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     "violation_code": "22"
    },
    {
     "begin": "1988-10-03",
     "category": "MCL",
     "contaminant": "Nitrate",
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     "health_based": true,
     "id": "189",
     "returned_to_compliance": "2019-03-15",
     "rule_code": "331",
     "violation_code": "02"
    },
    {
     "begin": "1988-07-01",
     "category": "MCL",
     "contaminant": "Nitrate",
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     "health_based": true,
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     "returned_to_compliance": "2019-03-15",
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     "violation_code": "02"
    },
    {
     "begin": "1988-04-12",
     "category": "MCL",
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     "health_based": true,
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   ]
  },
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   "name": "Village Square Academy Learning Center",
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   "pwsid": "DE0000019",
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   "type": "NTNCWS",
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    {
     "begin": "2021-08-25",
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     "contaminant": "Stage 1 Disinfectants and Disinfection Byproducts Rule",
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    {
     "begin": "2018-06-25",
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    },
    {
     "begin": "2017-07-01",
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    },
    {
     "begin": "2009-10-01",
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     "id": "510",
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    },
    {
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     "begin": "1993-07-01",
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     "contaminant": "Lead and Copper Rule",
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   ]
  },
  {
   "activity": "N",
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   "name": "Gunning Bedford Middle School",
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   "pwsid": "DE0000021",
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   "activity": "N",
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  },
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   "activity": "N",
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    {
     "begin": "2018-10-01",
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     "contaminant": "Lead and Copper Rule",
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     "end": null,
     "health_based": false,
     "id": "210",
     "returned_to_compliance": "2019-10-24",
     "rule_code": "350",
     "violation_code": "52"
    },
    {
     "begin": "2007-01-01",
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     "contaminant": "Lead and Copper Rule",
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     "end": null,
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   ]
  },
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     "end": null,
     "health_based": false,
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   ]
  },
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  },
  {
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    {
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   ]
  },
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    {
     "begin": "2019-03-26",
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     "violation_code": "02"
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   ]
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   "name": "Shore Stop #256 Milford",
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   "pwsid": "DE00A0863",
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     "health_based": true,
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    {
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     "violation_code": "02"
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    {
     "begin": "2022-04-10",
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     "health_based": true,
     "id": "918",
     "returned_to_compliance": "2022-07-13",
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     "violation_code": "02"
    },
    {
     "begin": "2021-10-01",
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     "health_based": true,
     "id": "917",
     "returned_to_compliance": "2021-11-09",
     "rule_code": "331",
     "violation_code": "02"
    },
    {
     "begin": "2020-04-01",
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     "id": "916",
     "returned_to_compliance": "2020-06-11",
     "rule_code": "331",
     "violation_code": "02"
    },
    {
     "begin": "2018-04-01",
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     "contaminant": "Nitrate",
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     "health_based": true,
     "id": "915",
     "returned_to_compliance": "2018-09-13",
     "rule_code": "331",
     "violation_code": "02"
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    {
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     "health_based": true,
     "id": "914",
     "returned_to_compliance": "2017-05-07",
     "rule_code": "331",
     "violation_code": "02"
    },
    {
     "begin": "2015-10-01",
     "category": "MCL",
     "contaminant": "Nitrate",
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     "end": "2015-12-31",
     "health_based": true,
     "id": "913",
     "returned_to_compliance": "2016-01-27",
     "rule_code": "331",
     "violation_code": "02"
    }
   ]
  },
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   "epa_name": "KENTON PUMP DISTRICT",
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   "population": 465,
   "pwsid": "DE00A0868",
   "source": "GW",
   "type": "CWS",
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  },
  {
   "activity": "A",
   "city": "Felton",
   "county": "Kent",
   "deactivated": null,
   "epa_name": "PARADISE ESTATES",
   "name": "Paradise Estates",
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   "pwsid": "DE00A1745",
   "source": "GW",
   "type": "CWS",
   "violations": [
    {
     "begin": "2015-07-01",
     "category": "Other",
     "contaminant": "Consumer Confidence Rule",
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     "end": null,
     "health_based": false,
     "id": "107",
     "returned_to_compliance": "2015-07-02",
     "rule_code": "420",
     "violation_code": "71"
    }
   ]
  },
  {
   "activity": "N",
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   "deactivated": "2016-08-08",
   "epa_name": "CENTRAL DELAWARE CHRISTIAN ACADEMY, PRES",
   "name": "Central Delaware Christian Academy, Pres",
   "population": 25,
   "pwsid": "DE00A2746",
   "source": "GW",
   "type": "NTNCWS",
   "violations": [
    {
     "begin": "2003-04-01",
     "category": "MCL",
     "contaminant": "Coliform (TCR)",
     "contaminant_code": "3100",
     "end": "2003-06-30",
     "health_based": true,
     "id": "203",
     "returned_to_compliance": "2016-08-08",
     "rule_code": "110",
     "violation_code": "22"
    },
    {
     "begin": "2002-10-01",
     "category": "MCL",
     "contaminant": "Coliform (TCR)",
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     "end": "2002-12-31",
     "health_based": true,
     "id": "103",
     "returned_to_compliance": "2016-08-08",
     "rule_code": "110",
     "violation_code": "22"
    }
   ]
  },
  {
   "activity": "A",
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   "deactivated": null,
   "epa_name": "SPORTS AT THE BEACH SYSTEM 3",
   "name": "Sports at the Beach System 3",
   "population": 25,
   "pwsid": "DE00A3851",
   "source": "GW",
   "type": "TNCWS",
   "violations": [
    {
     "begin": "2019-09-11",
     "category": "RPT",
     "contaminant": "Revised Total Coliform Rule",
     "contaminant_code": "8000",
     "end": null,
     "health_based": false,
     "id": "2",
     "returned_to_compliance": "2019-11-21",
     "rule_code": "111",
     "violation_code": "4D"
    },
    {
     "begin": "2015-10-01",
     "category": "MCL",
     "contaminant": "Coliform (TCR)",
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     "end": "2015-12-31",
     "health_based": true,
     "id": "1",
     "returned_to_compliance": "2016-05-12",
     "rule_code": "110",
     "violation_code": "21"
    }
   ]
  }
 ],
 "totals": {
  "community_active": 204,
  "health_based": 687,
  "latest_date_in_records": "2026-07-06",
  "no_return_to_compliance_date": 101,
  "pages": 463,
  "systems_on_record": 1362,
  "systems_with_violations": 400,
  "violations_on_record": 1766
 }
}
