{"permit":"SC0043451","name":"PALMETTO UTILITIES INC","state":"SC","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/SC0043451"},"about":[{"label":"What it is","text":"Sewerage Systems (EPA's industry listing) · rated a major discharger by EPA"},{"label":"Where","text":"Elgin, South Carolina","href":"https://www.openstreetmap.org/?mlat=34.217661&mlon=-80.630706#map=14/34.217661/-80.630706"},{"label":"Last 12 months","text":"Over a limit once, last in February 2026 (Solids, total suspended)"},{"label":"Permit","text":"Expired Aug 31, 2022; 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":"2022-03-04","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/SC0043451#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":{"state":"SC","sic":"4952","permits":183,"list":"https://passage-data.com/api/v1/permits?state=SC&sic=4952"},"limits_from_version":null,"record":{"last_filed":"2026-08-31","over":1,"over_by":[["Solids, total suspended",1]],"window":["2025-10-01","2026-09-30"]},"over_limits":[{"parameter":"Solids, total suspended","times":1,"find_limits":{"parameter":"total suspended solids","place":"US-SC","medium":"water_discharge"},"get":"https://passage-data.com/api/v1/limits?parameter=total+suspended+solids&place=US-SC&medium=water_discharge"}],"limits":[{"outfall":"001","parameter":"Oxygen demand, ultimate","parameter_code":"00181","statistic":"monthly average","qualifier":"<=","value":"3906","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Oxygen demand, ultimate","parameter_code":"00181","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Oxygen, dissolved [DO]","parameter_code":"00300","statistic":"minimum","qualifier":">=","value":"2","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"monthly average","qualifier":"<=","value":"23","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"daily maximum","qualifier":"<=","value":"46","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"monthly average","qualifier":"<=","value":"2302","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"daily maximum","qualifier":"<=","value":"4604","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"minimum","qualifier":">=","value":"6","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"maximum","qualifier":"<=","value":"8.5","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"11.3","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily maximum","qualifier":"<=","value":"29.6","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"1131","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily maximum","qualifier":"<=","value":"2962","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Oil and grease, hexane extr method","parameter_code":"00552","statistic":"monthly average","qualifier":"<=","value":"50.2","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Oil and grease, hexane extr method","parameter_code":"00552","statistic":"daily maximum","qualifier":"<=","value":"205","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Oil and grease, hexane extr method","parameter_code":"00552","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Oil and grease, hexane extr method","parameter_code":"00552","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"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":"0011"},{"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":"0011"},{"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":"0011"},{"outfall":"001","parameter":"Nitrogen, total [as N]","parameter_code":"00600","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"6.9","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"13.8","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"691","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"1381","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"monthly average","qualifier":"<=","value":"3","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"monthly average","qualifier":"<=","value":"147","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Arsenic, total [as As]","parameter_code":"01002","statistic":"monthly average","qualifier":"<=","value":".0199","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Arsenic, total [as As]","parameter_code":"01002","statistic":"daily maximum","qualifier":"<=","value":".0993","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Arsenic, total [as As]","parameter_code":"01002","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Arsenic, total [as As]","parameter_code":"01002","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Cadmium, total [as Cd]","parameter_code":"01027","statistic":"monthly average","qualifier":"<=","value":".163","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Cadmium, total [as Cd]","parameter_code":"01027","statistic":"daily maximum","qualifier":"<=","value":".782","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Cadmium, total [as Cd]","parameter_code":"01027","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Cadmium, total [as Cd]","parameter_code":"01027","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Chromium, total [as Cr]","parameter_code":"01034","statistic":"monthly average","qualifier":"<=","value":".0522","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Chromium, total [as Cr]","parameter_code":"01034","statistic":"daily maximum","qualifier":"<=","value":".167","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Chromium, total [as Cr]","parameter_code":"01034","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Chromium, total [as Cr]","parameter_code":"01034","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Cobalt, total [as Co]","parameter_code":"01037","statistic":"monthly average","qualifier":"<=","value":".0703","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Cobalt, total [as Co]","parameter_code":"01037","statistic":"daily maximum","qualifier":"<=","value":".182","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Cobalt, total [as Co]","parameter_code":"01037","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Cobalt, total [as Co]","parameter_code":"01037","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Copper, total [as Cu]","parameter_code":"01042","statistic":"monthly average","qualifier":"<=","value":".216","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Copper, total [as Cu]","parameter_code":"01042","statistic":"daily maximum","qualifier":"<=","value":".659","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Copper, total [as Cu]","parameter_code":"01042","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Copper, total [as Cu]","parameter_code":"01042","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Lead, total [as Pb]","parameter_code":"01051","statistic":"monthly average","qualifier":"<=","value":".283","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Lead, total [as Pb]","parameter_code":"01051","statistic":"daily maximum","qualifier":"<=","value":"1.32","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Lead, total [as Pb]","parameter_code":"01051","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Lead, total [as Pb]","parameter_code":"01051","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Nickel, total [as Ni]","parameter_code":"01067","statistic":"monthly average","qualifier":"<=","value":".309","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Nickel, total [as Ni]","parameter_code":"01067","statistic":"daily maximum","qualifier":"<=","value":".794","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Nickel, total [as Ni]","parameter_code":"01067","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Nickel, total [as Ni]","parameter_code":"01067","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Silver, total [as Ag]","parameter_code":"01077","statistic":"monthly average","qualifier":"<=","value":".0122","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Silver, total [as Ag]","parameter_code":"01077","statistic":"daily maximum","qualifier":"<=","value":".0318","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Silver, total [as Ag]","parameter_code":"01077","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Silver, total [as Ag]","parameter_code":"01077","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Vanadium, total [as V]","parameter_code":"01087","statistic":"monthly average","qualifier":"<=","value":".0518","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Vanadium, total [as V]","parameter_code":"01087","statistic":"daily maximum","qualifier":"<=","value":".0628","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Vanadium, total [as V]","parameter_code":"01087","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Vanadium, total [as V]","parameter_code":"01087","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Zinc, total [as Zn]","parameter_code":"01092","statistic":"monthly average","qualifier":"<=","value":".252","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Zinc, total [as Zn]","parameter_code":"01092","statistic":"daily maximum","qualifier":"<=","value":".657","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Zinc, total [as Zn]","parameter_code":"01092","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Zinc, total [as Zn]","parameter_code":"01092","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Antimony, total [as Sb]","parameter_code":"01097","statistic":"monthly average","qualifier":"<=","value":".0312","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Antimony, total [as Sb]","parameter_code":"01097","statistic":"daily maximum","qualifier":"<=","value":".111","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Antimony, total [as Sb]","parameter_code":"01097","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Antimony, total [as Sb]","parameter_code":"01097","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Tin, total [as Sn]","parameter_code":"01102","statistic":"monthly average","qualifier":"<=","value":".0367","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Tin, total [as Sn]","parameter_code":"01102","statistic":"daily maximum","qualifier":"<=","value":".0955","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Tin, total [as Sn]","parameter_code":"01102","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Tin, total [as Sn]","parameter_code":"01102","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Selenium, total [as Se]","parameter_code":"01147","statistic":"monthly average","qualifier":"<=","value":".0698","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Selenium, total [as Se]","parameter_code":"01147","statistic":"daily maximum","qualifier":"<=","value":".176","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Selenium, total [as Se]","parameter_code":"01147","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Selenium, total [as Se]","parameter_code":"01147","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Titanium, total [as Ti]","parameter_code":"01152","statistic":"monthly average","qualifier":"<=","value":".00612","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Titanium, total [as Ti]","parameter_code":"01152","statistic":"daily maximum","qualifier":"<=","value":".0159","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Titanium, total [as Ti]","parameter_code":"01152","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Titanium, total [as Ti]","parameter_code":"01152","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0011"},{"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":"0011"},{"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":"0011"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"monthly average","qualifier":"<=","value":"0","unit":"MGD","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"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":"0011"},{"outfall":"001","parameter":"Chlorine, total residual","parameter_code":"50060","statistic":"monthly average","qualifier":"<=","value":".485","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Chlorine, total residual","parameter_code":"50060","statistic":"daily maximum","qualifier":"<=","value":".838","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Chlorine, total residual","parameter_code":"50060","statistic":"monthly average","qualifier":"<=","value":"48.6","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Chlorine, total residual","parameter_code":"50060","statistic":"daily maximum","qualifier":"<=","value":"83.9","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"E. coli","parameter_code":"51040","statistic":"30-day geometric mean","qualifier":"<=","value":"126","unit":"MPN/100mL","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"E. coli","parameter_code":"51040","statistic":"daily maximum","qualifier":"<=","value":"349","unit":"MPN/100mL","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"E. coli","parameter_code":"51040","statistic":"30-day geometric mean","qualifier":"<=","value":"126","unit":"MPN/100mL","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"E. coli","parameter_code":"51040","statistic":"daily maximum","qualifier":"<=","value":"800","unit":"MPN/100mL","report_only":false,"enforceable":true,"months":"all","limit_set":"0011"},{"outfall":"001","parameter":"Mercury, total [as Hg]","parameter_code":"71900","statistic":"monthly average","qualifier":"<=","value":".000246","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0012"},{"outfall":"001","parameter":"Mercury, total [as Hg]","parameter_code":"71900","statistic":"daily maximum","qualifier":"<=","value":".000641","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"0012"},{"outfall":"001","parameter":"Mercury, total [as Hg]","parameter_code":"71900","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0012"},{"outfall":"001","parameter":"Mercury, total [as Hg]","parameter_code":"71900","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"0012"},{"outfall":"001","parameter":"%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia","parameter_code":"TCP3B","statistic":"monthly average","qualifier":"<=","value":"25","unit":"%","report_only":false,"enforceable":true,"months":"all","limit_set":"0013"},{"outfall":"001","parameter":"%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia","parameter_code":"TCP3B","statistic":"daily maximum","qualifier":"<=","value":"40","unit":"%","report_only":false,"enforceable":true,"months":"all","limit_set":"0013"},{"outfall":"001","parameter":"Pass/Fail Static 48Hr Acute Ceriodaphnia dubia","parameter_code":"TGA3B","statistic":"daily maximum","qualifier":"<=","value":"0","unit":"pass=0;fail=1","report_only":false,"enforceable":true,"months":"all","limit_set":"0014"}],"next":[{"tool":"list_permits","says":"Screening this industry? list_permits lists every permit of it in this state in one call, each with its page and its get_permit address; `get` is the address to fetch.","arguments":{"state":"SC","sic":"4952"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=SC&sic=4952","url":"https://passage-data.com/api/v1/permits?state=SC&sic=4952"},{"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":"total suspended solids","place":"US-SC","medium":"water_discharge"},"needs":{},"get":"https://passage-data.com/api/v1/limits?parameter=total+suspended+solids&place=US-SC&medium=water_discharge","url":"https://passage-data.com/api/v1/limits?parameter=total+suspended+solids&place=US-SC&medium=water_discharge","page":"https://passage-data.com/limits/US-SC/total-suspended-solids"},{"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":"SC0043451"},"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=SC0043451"},{"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":"SC0043451"},"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=SC0043451"}]}