{"permit":"RI0000949","name":"USEPA - ATLANTIC COASTAL ENVIRONMENTAL SCIENCES DIVISION","state":"RI","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/RI0000949"},"about":[{"label":"What it is","text":"Federal facility · Noncommercial Research Organizations (EPA's industry listing)"},{"label":"Where","text":"Narragansett, Rhode Island","href":"https://www.openstreetmap.org/?mlat=41.494105&mlon=-71.422067#map=14/41.494105/-71.422067"},{"label":"Last 12 months","text":"No values over a limit. 1 of 4 reports filed late"},{"label":"Permit","text":"In force until Dec 31, 2029"}],"renewal_due":null,"renewal_check":null,"sector":null,"limits_from_version":null,"record":{"last_filed":"2026-09-30","over":0,"over_by":[],"window":["2025-10-01","2026-09-30"]},"over_limits":[],"limits":[{"outfall":"001","parameter":"Oxygen, dissolved [DO]","parameter_code":"00300","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"FINAL DISCH OUTSIDE FAC: FILT SEAWAT-WEST LAB,BYP UNFILT SEAWAT&INTERMIT FILT BKWASH/FILT CHLOR RINS"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"daily maximum","qualifier":"<=","value":"9.2","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"FINAL DISCH OUTSIDE FAC: FILT SEAWAT-WEST LAB,BYP UNFILT SEAWAT&INTERMIT FILT BKWASH/FILT CHLOR RINS"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"FINAL DISCH OUTSIDE FAC: FILT SEAWAT-WEST LAB,BYP UNFILT SEAWAT&INTERMIT FILT BKWASH/FILT CHLOR RINS"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"monthly average","qualifier":"<=","value":".98","unit":"MGD","report_only":false,"enforceable":true,"months":"all","limit_set":"FINAL DISCH OUTSIDE FAC: FILT SEAWAT-WEST LAB,BYP UNFILT SEAWAT&INTERMIT FILT BKWASH/FILT CHLOR RINS"},{"outfall":"001","parameter":"Chlorine, total residual","parameter_code":"50060","statistic":"monthly average","qualifier":"<=","value":".434","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"FINAL DISCH OUTSIDE FAC: FILT SEAWAT-WEST LAB,BYP UNFILT SEAWAT&INTERMIT FILT BKWASH/FILT CHLOR RINS"},{"outfall":"001","parameter":"Chlorine, total residual","parameter_code":"50060","statistic":"daily maximum","qualifier":"<=","value":".434","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"FINAL DISCH OUTSIDE FAC: FILT SEAWAT-WEST LAB,BYP UNFILT SEAWAT&INTERMIT FILT BKWASH/FILT CHLOR RINS"},{"outfall":"001","parameter":"Enterococci","parameter_code":"61211","statistic":"daily maximum","qualifier":null,"value":null,"unit":"CFU/100mL","report_only":true,"enforceable":true,"months":"all","limit_set":"FINAL DISCH OUTSIDE FAC: FILT SEAWAT-WEST LAB,BYP UNFILT SEAWAT&INTERMIT FILT BKWASH/FILT CHLOR RINS"},{"outfall":"001","parameter":"Coliform, fecal general","parameter_code":"74055","statistic":"daily maximum","qualifier":null,"value":null,"unit":"MPN/100mL","report_only":true,"enforceable":true,"months":"all","limit_set":"FINAL DISCH OUTSIDE FAC: FILT SEAWAT-WEST LAB,BYP UNFILT SEAWAT&INTERMIT FILT BKWASH/FILT CHLOR RINS"}],"next":[{"tool":"check_dmr","says":"Before your user files this permit's DMR: check_dmr sets each value beside the permit's limit for that period, with EPA's violation rule's verdict.","arguments":{"permit":"RI0000949"},"needs":{"period_end":"The reporting period: its month (2026-09).","values":"The period's values as your user will file them: [{outfall, parameter, statistic, value, unit}, ...]."},"post":"/api/v1/dmr/check","url":"https://passage-data.com/api/v1/dmr/check","page":"https://passage-data.com/dmr/?permit=RI0000949"},{"tool":"fill_dmr","says":"Has your user the plant's raw daily results? fill_dmr computes the period's DMR values from them, each with the rows it came from.","arguments":{"permit":"RI0000949"},"needs":{"period_end":"The reporting period: its month (2026-09).","rows":"The plant's results: [{date, parameter, value, unit, point}, ...]; or `table`, the lab's or plant's export as text."},"post":"/api/v1/dmr/fill","url":"https://passage-data.com/api/v1/dmr/fill","page":"https://passage-data.com/dmr/?permit=RI0000949"}]}