{"permit":"MA0102873","name":"SALISBURY W W T F","state":"MA","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/MA0102873"},"about":[{"label":"What it is","text":"Sewage treatment plant · rated a major discharger by EPA"},{"label":"Where","text":"Salisbury, Massachusetts","href":"https://www.openstreetmap.org/?mlat=42.836389&mlon=-70.886944#map=14/42.836389/-70.886944"},{"label":"Last 12 months","text":"Over a limit 8 times, last in May 2026 (BOD, carbonaceous [5 day, 20 C]; Copper, total [as Cu]; Noael Statre 7Day Chronic Menidia). 1 of 16 reports filed late"},{"label":"Permit","text":"Expired Jan 31, 2021; its limits still apply until a new permit is issued, and EPA still expects the reports"}],"renewal_due":null,"renewal_check":{"offered_because":"permit_expired","application_due":"2020-08-04","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/MA0102873#renewal","says":"Each limit a renewal could tighten or add, from the state's water-quality standards and the federal rules for this kind of discharge, each cited to its rule, beside EPA's 12-month record; a rule we do not hold is named, never guessed. A person orders it on the permit's page with their email; it is sent by email within 5 business days."},"sector":null,"limits_from_version":null,"record":{"last_filed":"2026-09-30","over":8,"over_by":[["BOD, carbonaceous [5 day, 20 C]",3],["Copper, total [as Cu]",2],["Noael Statre 7Day Chronic Menidia",1]],"window":["2025-10-01","2026-09-30"]},"over_limits":[{"parameter":"BOD, carbonaceous [5 day, 20 C]","times":3,"find_limits":{"parameter":"cbod5","place":"US-MA","medium":"water_discharge"},"get":"https://passage-data.com/api/v1/limits?parameter=cbod5&place=US-MA&medium=water_discharge"},{"parameter":"Copper, total [as Cu]","times":2,"find_limits":{"parameter":"copper","place":"US-MA","medium":"surface_water"},"get":"https://passage-data.com/api/v1/limits?parameter=copper&place=US-MA&medium=surface_water"}],"limits":[{"outfall":"001","parameter":"Oxygen, dissolved [DO]","parameter_code":"00300","statistic":"minimum","qualifier":">=","value":"6","unit":"mg/L","report_only":false,"enforceable":true,"months":["APR","MAY","JUN","JUL","AUG","SEP","OCT"],"limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"minimum","qualifier":">=","value":"6.5","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"maximum","qualifier":"<=","value":"8.5","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"5","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"weekly average","qualifier":"<=","value":"7","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"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":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"54","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"weekly average","qualifier":"<=","value":"76","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, total [as N]","parameter_code":"00600","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, total [as N]","parameter_code":"00600","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, total [as N]","parameter_code":"00600","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"5","unit":"mg/L","report_only":false,"enforceable":true,"months":["JUL","AUG","SEP","OCT"],"limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":["JAN","FEB","MAR","APR","NOV","DEC"],"limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"5","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY","JUN"],"limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"10","unit":"mg/L","report_only":false,"enforceable":true,"months":["JUL","AUG","SEP","OCT"],"limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":["JAN","FEB","MAR","APR","NOV","DEC"],"limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"10","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY","JUN"],"limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"weekly average","qualifier":"<=","value":"7","unit":"mg/L","report_only":false,"enforceable":true,"months":["JUL","AUG","SEP","OCT"],"limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"weekly average","qualifier":"<=","value":"7","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY","JUN"],"limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"10","unit":"mg/L","report_only":false,"enforceable":true,"months":["JUL","AUG","SEP","OCT"],"limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":["JAN","FEB","MAR","APR","NOV","DEC"],"limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":["JAN","APR","JUL","OCT"],"limit_set":"TOXICITY TESTING OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"10","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY","JUN"],"limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":["JUL","AUG","SEP","OCT"],"limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":["JAN","FEB","MAR","APR","NOV","DEC"],"limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":["MAY","JUN"],"limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":["JUL","AUG","SEP","OCT"],"limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":["JAN","FEB","MAR","APR","NOV","DEC"],"limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":["MAY","JUN"],"limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"weekly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":["JUL","AUG","SEP","OCT"],"limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"weekly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":["MAY","JUN"],"limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, nitrite total [as N]","parameter_code":"00615","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, nitrite total [as N]","parameter_code":"00615","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, nitrite total [as N]","parameter_code":"00615","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, nitrate total [as N]","parameter_code":"00620","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, nitrate total [as N]","parameter_code":"00620","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, nitrate total [as N]","parameter_code":"00620","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, Kjeldahl, total [as N]","parameter_code":"00625","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, Kjeldahl, total [as N]","parameter_code":"00625","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nitrogen, Kjeldahl, total [as N]","parameter_code":"00625","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Hardness, total [as CaCO3]","parameter_code":"00900","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":["JAN","APR","JUL","OCT"],"limit_set":"TOXICITY TESTING OUTFALL 001"},{"outfall":"001","parameter":"Copper, total [as Cu]","parameter_code":"01042","statistic":"monthly average","qualifier":"<=","value":"3","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Copper, total [as Cu]","parameter_code":"01042","statistic":"monthly average","qualifier":"<=","value":"25","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Copper, total [as Cu]","parameter_code":"01042","statistic":"daily maximum","qualifier":"<=","value":"3","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Copper, total [as Cu]","parameter_code":"01042","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nickel, total [as Ni]","parameter_code":"01067","statistic":"monthly average","qualifier":"<=","value":"8.3","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nickel, total [as Ni]","parameter_code":"01067","statistic":"monthly average","qualifier":"<=","value":"13","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nickel, total [as Ni]","parameter_code":"01067","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Nickel, total recoverable","parameter_code":"01074","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":["JAN","APR","JUL","OCT"],"limit_set":"TOXICITY TESTING OUTFALL 001"},{"outfall":"001","parameter":"Zinc, total recoverable","parameter_code":"01094","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":["JAN","APR","JUL","OCT"],"limit_set":"TOXICITY TESTING OUTFALL 001"},{"outfall":"001","parameter":"Cadmium, total recoverable","parameter_code":"01113","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":["JAN","APR","JUL","OCT"],"limit_set":"TOXICITY TESTING OUTFALL 001"},{"outfall":"001","parameter":"Lead, total recoverable","parameter_code":"01114","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":["JAN","APR","JUL","OCT"],"limit_set":"TOXICITY TESTING OUTFALL 001"},{"outfall":"001","parameter":"Copper, total recoverable","parameter_code":"01119","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":["JAN","APR","JUL","OCT"],"limit_set":"TOXICITY TESTING OUTFALL 001"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"monthly average","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"rolling average","qualifier":"<=","value":"1.3","unit":"MGD","report_only":false,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"daily maximum","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Enterococci","parameter_code":"61211","statistic":"monthly geometric mean","qualifier":"<=","value":"35","unit":"CFU/100mL","report_only":false,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Enterococci","parameter_code":"61211","statistic":"daily maximum","qualifier":"<=","value":"104","unit":"CFU/100mL","report_only":false,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Coliform, fecal general","parameter_code":"74055","statistic":"monthly geometric mean","qualifier":"<=","value":"50","unit":"CFU/100mL","report_only":false,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Coliform, fecal general","parameter_code":"74055","statistic":"weekly geometric mean","qualifier":"<=","value":"75","unit":"CFU/100mL","report_only":false,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Coliform, fecal general","parameter_code":"74055","statistic":"daily maximum","qualifier":"<=","value":"100","unit":"CFU/100mL","report_only":false,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"monthly average","qualifier":"<=","value":"5","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"weekly average","qualifier":"<=","value":"7","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"monthly average","qualifier":"<=","value":"54","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"weekly average","qualifier":"<=","value":"76","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"BOD, 5-day, percent removal","parameter_code":"81010","statistic":"daily minimum","qualifier":">=","value":"85","unit":"%","report_only":false,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"Solids, suspended percent removal","parameter_code":"81011","statistic":"daily minimum","qualifier":">=","value":"85","unit":"%","report_only":false,"enforceable":true,"months":"all","limit_set":"TREATED EFFLUENT OUTFALL 001"},{"outfall":"001","parameter":"LC50 Static 48Hr Acute Menidia","parameter_code":"TAA6B","statistic":"daily minimum","qualifier":">=","value":"100","unit":"%","report_only":false,"enforceable":true,"months":["JAN","APR","JUL","OCT"],"limit_set":"TOXICITY TESTING OUTFALL 001"},{"outfall":"001","parameter":"Noael Statre 7Day Chronic Menidia","parameter_code":"TDP6B","statistic":"daily minimum","qualifier":">=","value":"100","unit":"%","report_only":false,"enforceable":true,"months":["JAN","APR","JUL","OCT"],"limit_set":"TOXICITY TESTING OUTFALL 001"}],"next":[{"tool":"find_limits","says":"What do the rules say about what it went over on? find_limits gives the cited state and federal limits for it, each with its rule; `get` is the address to fetch, and `over_limits` holds one for each parameter.","arguments":{"parameter":"cbod5","place":"US-MA","medium":"water_discharge"},"needs":{},"get":"https://passage-data.com/api/v1/limits?parameter=cbod5&place=US-MA&medium=water_discharge","url":"https://passage-data.com/api/v1/limits?parameter=cbod5&place=US-MA&medium=water_discharge","page":"https://passage-data.com/limits/US-MA/cbod5"},{"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":"MA0102873"},"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=MA0102873"},{"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":"MA0102873"},"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=MA0102873"}]}