{"schema_version":"1.2","pwsid":"WI1110109","system_name":"POYNETTE MOBILE ESTATES","city":"POYNETTE","state":"WI","population_served":150,"source_type":"GW","summary":"POYNETTE MOBILE ESTATES serves approximately 150 people in POYNETTE, Wisconsin. Based on contaminant analyses from DNR, EPA ECHO, the most recent monitoring readings are within federal EPA standards (MCL), but this system has active MCL violations on record for 1 contaminant. 0 contaminants exceed health-based guidelines. Data is drawn from source-level compliance monitoring and covers 2018 through 2026. Results reflect conditions at the point of collection (wells, treatment plants), not necessarily at the tap.","data_period":{"start":"2018-09-30","end":"2026-06-22"},"contaminants_tested":85,"contaminants_detected":7,"exceedances":0,"guideline_exceedances":0,"contaminants":[{"name":"Atrazine","code":"2050","cas_number":null,"group":"vocs","section":"other_detected","measured_value":0.013,"unit":"ug/L","sample_date":"2026-06-22","source":"DNR","source_scope":"source_monitoring","health_guideline_value":0.00015,"health_guideline_source":"OEHHA PHG 1999","epa_mcl_value":0.003,"status":"below_limits","detection_limit":null},{"name":"Alachlor","code":"2031","cas_number":null,"group":"vocs","section":"other_detected","measured_value":0.079,"unit":"ug/L","sample_date":"2026-06-22","source":"DNR","source_scope":"source_monitoring","health_guideline_value":0.02,"health_guideline_source":"WHO Guideline","epa_mcl_value":0.002,"status":"below_limits","detection_limit":null},{"name":"Nitrate (as N)","code":"NITRATE","cas_number":"14797-55-8","group":"inorganics","section":"other_detected","measured_value":5.3,"unit":"mg/L","sample_date":"2026-06-15","source":"DNR","source_scope":"source_monitoring","health_guideline_value":10,"health_guideline_source":"EPA MCLG","epa_mcl_value":10,"status":"below_limits","detection_limit":null},{"name":"Di(2-ethylhexyl) phthalate","code":"2046","cas_number":null,"group":"vocs","section":"other_detected","measured_value":3.9,"unit":"ug/L","sample_date":"2026-03-22","source":"DNR","source_scope":"source_monitoring","health_guideline_value":0.008,"health_guideline_source":"WHO Guideline","epa_mcl_value":0.006,"status":"below_limits","detection_limit":null},{"name":"Combined Radium (226+228)","code":"4010","cas_number":null,"group":"radionuclides","section":"other_detected","measured_value":2.299,"unit":"pCi/L","sample_date":"2021-06-14","source":"DNR","source_scope":"source_monitoring","health_guideline_value":0,"health_guideline_source":"EPA MCLG","epa_mcl_value":5,"status":"below_limits","detection_limit":null},{"name":"Lead (90th Percentile)","code":"PB90","cas_number":"7439-92-1","group":"lead_copper","section":"other_detected","measured_value":0.000195,"unit":"mg/L","sample_date":"2024-09-30","source":"EPA ECHO","source_scope":"federal_program","health_guideline_value":0.0002,"health_guideline_source":"OEHHA PHG","epa_mcl_value":null,"status":"approaching","detection_limit":null},{"name":"Copper (90th Percentile)","code":"COPPER","cas_number":"7440-50-8","group":"lead_copper","section":"other_detected","measured_value":11,"unit":"ug/L","sample_date":"2024-09-19","source":"DNR","source_scope":"source_monitoring","health_guideline_value":0.3,"health_guideline_source":"OEHHA PHG","epa_mcl_value":null,"status":"below_limits","detection_limit":null}],"sources":[{"name":"DNR","url":"https://apps.dnr.wi.gov/dwsportalpub"},{"name":"EPA ECHO","url":"https://echo.epa.gov/"}],"pfas_combined_display":null,"well_counts":{"active":1,"retired":0,"facilities_synced_at":"2026-09-05T13:11:48.807Z"},"historical_wells":[],"has_only_historical_data":false,"pfas_hazard_index":null,"tthm_lraa":[],"haa5_lraa":[]}