{"permit":"TX0125172","name":"UPPER TRINITY RGEGIONAL WATER DISTRICT","state":"TX","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/TX0125172"},"about":[{"label":"What it is","text":"Sewage treatment plant · rated a major discharger by EPA"},{"label":"Where","text":"Lewisville, Texas","href":"https://www.openstreetmap.org/?mlat=33.217222&mlon=-96.902222#map=14/33.217222/-96.902222"},{"label":"Last 12 months","text":"Over a limit 12 times, last in August 2026 (Flow, in conduit or thru treatment plant)"},{"label":"Permit","text":"In force until Feb 3, 2027"}],"renewal_due":{"date":"2026-08-07","when":"Aug 7, 2026, overdue","urgent":true},"renewal_check":{"offered_because":"application_overdue","application_due":"2026-08-07","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/TX0125172#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":"2026-08-31","over":12,"over_by":[["Flow, in conduit or thru treatment plant",12]],"window":["2025-10-01","2026-09-30"]},"over_limits":[],"limits":[{"outfall":"001","parameter":"Oxygen, dissolved [DO]","parameter_code":"00300","statistic":"monthly minimum","qualifier":">=","value":"4","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","OCT","NOV","DEC"],"limit_set":"DOMESTIC FACILITY - 001"},{"outfall":"001","parameter":"Oxygen, dissolved [DO]","parameter_code":"00300","statistic":"monthly minimum","qualifier":">=","value":"5","unit":"mg/L","report_only":false,"enforceable":true,"months":["APR","MAY","JUN","JUL","AUG","SEP"],"limit_set":"DOMESTIC FACILITY - 001"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"minimum","qualifier":">=","value":"6","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"DOMESTIC FACILITY - 001"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"DOMESTIC FACILITY - 001"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily average","qualifier":"<=","value":"12","unit":"mg/L","report_only":false,"enforceable":true,"months":["APR","MAY","JUN","JUL","AUG","SEP"],"limit_set":"DOMESTIC FACILITY - 001"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily average","qualifier":"<=","value":"15","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","OCT","NOV","DEC"],"limit_set":"DOMESTIC FACILITY - 001"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily maximum","qualifier":"<=","value":"40","unit":"mg/L","report_only":false,"enforceable":true,"months":["APR","MAY","JUN","JUL","AUG","SEP"],"limit_set":"DOMESTIC FACILITY - 001"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily maximum","qualifier":"<=","value":"40","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","OCT","NOV","DEC"],"limit_set":"DOMESTIC FACILITY - 001"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily average","qualifier":"<=","value":"400","unit":"lb/d","report_only":false,"enforceable":true,"months":["APR","MAY","JUN","JUL","AUG","SEP"],"limit_set":"DOMESTIC FACILITY - 001"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily average","qualifier":"<=","value":"500","unit":"lb/d","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","OCT","NOV","DEC"],"limit_set":"DOMESTIC FACILITY - 001"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily average","qualifier":"<=","value":"1.7","unit":"mg/L","report_only":false,"enforceable":true,"months":["APR","MAY","JUN","JUL","AUG","SEP"],"limit_set":"DOMESTIC FACILITY - 001"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily average","qualifier":"<=","value":"4","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","OCT","NOV","DEC"],"limit_set":"DOMESTIC FACILITY - 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":["APR","MAY","JUN","JUL","AUG","SEP"],"limit_set":"DOMESTIC FACILITY - 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":["JAN","FEB","MAR","OCT","NOV","DEC"],"limit_set":"DOMESTIC FACILITY - 001"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily average","qualifier":"<=","value":"56","unit":"lb/d","report_only":false,"enforceable":true,"months":["APR","MAY","JUN","JUL","AUG","SEP"],"limit_set":"DOMESTIC FACILITY - 001"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily average","qualifier":"<=","value":"133","unit":"lb/d","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","OCT","NOV","DEC"],"limit_set":"DOMESTIC FACILITY - 001"},{"outfall":"001","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"daily average","qualifier":"<=","value":"1","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"DOMESTIC FACILITY - 001"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"daily average","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"DOMESTIC FACILITY - 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":"DOMESTIC FACILITY - 001"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"2-hour peak","qualifier":"<=","value":"11111","unit":"gal/min","report_only":false,"enforceable":true,"months":"all","limit_set":"DOMESTIC FACILITY - 001"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"annual average","qualifier":"<=","value":"4","unit":"MGD","report_only":false,"enforceable":true,"months":"all","limit_set":"DOMESTIC FACILITY - 001"},{"outfall":"001","parameter":"E. coli","parameter_code":"51040","statistic":"daily average","qualifier":"<=","value":"126","unit":"MPN/100mL","report_only":false,"enforceable":true,"months":"all","limit_set":"DOMESTIC FACILITY - 001"},{"outfall":"001","parameter":"E. coli","parameter_code":"51040","statistic":"daily maximum","qualifier":"<=","value":"399","unit":"MPN/100mL","report_only":false,"enforceable":true,"months":"all","limit_set":"DOMESTIC FACILITY - 001"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"daily average","qualifier":"<=","value":"10","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","OCT","NOV","DEC"],"limit_set":"DOMESTIC FACILITY - 001"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"daily average","qualifier":"<=","value":"5","unit":"mg/L","report_only":false,"enforceable":true,"months":["APR","MAY","JUN","JUL","AUG","SEP"],"limit_set":"DOMESTIC FACILITY - 001"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"daily maximum","qualifier":"<=","value":"25","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","OCT","NOV","DEC"],"limit_set":"DOMESTIC FACILITY - 001"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"daily maximum","qualifier":"<=","value":"20","unit":"mg/L","report_only":false,"enforceable":true,"months":["APR","MAY","JUN","JUL","AUG","SEP"],"limit_set":"DOMESTIC FACILITY - 001"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"daily average","qualifier":"<=","value":"334","unit":"lb/d","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","OCT","NOV","DEC"],"limit_set":"DOMESTIC FACILITY - 001"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"daily average","qualifier":"<=","value":"167","unit":"lb/d","report_only":false,"enforceable":true,"months":["APR","MAY","JUN","JUL","AUG","SEP"],"limit_set":"DOMESTIC FACILITY - 001"},{"outfall":"TX1","parameter":"Whole effluent toxicity - retest #1","parameter_code":"22415","statistic":"7-day minimum","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"7-DAY CHRONIC FRESHWATER -001"},{"outfall":"TX1","parameter":"Whole effluent toxicity - retest #1","parameter_code":"22415","statistic":"7-day minimum","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"7-DAY CHRONIC FRESHWATER -001"},{"outfall":"TX1","parameter":"Whole effluent toxicity - retest #1","parameter_code":"22415","statistic":"monthly average minimum","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"7-DAY CHRONIC FRESHWATER -001"},{"outfall":"TX1","parameter":"Whole effluent toxicity - retest #1","parameter_code":"22415","statistic":"monthly average minimum","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"7-DAY CHRONIC FRESHWATER -001"},{"outfall":"TX1","parameter":"Whole effluent toxicity - retest #2","parameter_code":"22416","statistic":"7-day minimum","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"7-DAY CHRONIC FRESHWATER -001"},{"outfall":"TX1","parameter":"Whole effluent toxicity - retest #2","parameter_code":"22416","statistic":"7-day minimum","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"7-DAY CHRONIC FRESHWATER -001"},{"outfall":"TX1","parameter":"Whole effluent toxicity - retest #2","parameter_code":"22416","statistic":"monthly average minimum","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"7-DAY CHRONIC FRESHWATER -001"},{"outfall":"TX1","parameter":"Whole effluent toxicity - retest #2","parameter_code":"22416","statistic":"monthly average minimum","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"7-DAY CHRONIC FRESHWATER -001"},{"outfall":"TX1","parameter":"IC25 Low Flow Pass/Fail Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia","parameter_code":"T4P3B","statistic":"7-day minimum","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"7-DAY CHRONIC FRESHWATER -001"},{"outfall":"TX1","parameter":"IC25 Low Flow Pass/Fail Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia","parameter_code":"T4P3B","statistic":"monthly average minimum","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"7-DAY CHRONIC FRESHWATER -001"},{"outfall":"TX1","parameter":"IC25 Low Flow Pass/Fail Lethal Static Renewal 7 Day Chronic Pimephales promelas","parameter_code":"T4P6C","statistic":"7-day minimum","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"7-DAY CHRONIC FRESHWATER -001"},{"outfall":"TX1","parameter":"IC25 Low Flow Pass/Fail Lethal Static Renewal 7 Day Chronic Pimephales promelas","parameter_code":"T4P6C","statistic":"monthly average minimum","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"7-DAY CHRONIC FRESHWATER -001"},{"outfall":"TX1","parameter":"IC25 Low Flow Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia","parameter_code":"T5P3B","statistic":"7-day minimum","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"7-DAY CHRONIC FRESHWATER -001"},{"outfall":"TX1","parameter":"IC25 Low Flow Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia","parameter_code":"T5P3B","statistic":"monthly average minimum","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"7-DAY CHRONIC FRESHWATER -001"},{"outfall":"TX1","parameter":"IC25 Low Flow Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas","parameter_code":"T5P6C","statistic":"7-day minimum","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"7-DAY CHRONIC FRESHWATER -001"},{"outfall":"TX1","parameter":"IC25 Low Flow Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas","parameter_code":"T5P6C","statistic":"monthly average minimum","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"7-DAY CHRONIC FRESHWATER -001"},{"outfall":"TX1","parameter":"IC25 Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia","parameter_code":"T6P3B","statistic":"7-day minimum","qualifier":null,"value":null,"unit":"%","report_only":true,"enforceable":true,"months":"all","limit_set":"7-DAY CHRONIC FRESHWATER -001"},{"outfall":"TX1","parameter":"IC25 Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia","parameter_code":"T6P3B","statistic":"monthly average minimum","qualifier":null,"value":null,"unit":"%","report_only":true,"enforceable":true,"months":"all","limit_set":"7-DAY CHRONIC FRESHWATER -001"},{"outfall":"TX1","parameter":"IC25 Lethal Static Renewal 7 Day Chronic Pimephales promelas","parameter_code":"T6P6C","statistic":"7-day minimum","qualifier":null,"value":null,"unit":"%","report_only":true,"enforceable":true,"months":"all","limit_set":"7-DAY CHRONIC FRESHWATER -001"},{"outfall":"TX1","parameter":"IC25 Lethal Static Renewal 7 Day Chronic Pimephales promelas","parameter_code":"T6P6C","statistic":"monthly average minimum","qualifier":null,"value":null,"unit":"%","report_only":true,"enforceable":true,"months":"all","limit_set":"7-DAY CHRONIC FRESHWATER -001"},{"outfall":"TX1","parameter":"IC25 Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia","parameter_code":"T7P3B","statistic":"7-day minimum","qualifier":null,"value":null,"unit":"%","report_only":true,"enforceable":true,"months":"all","limit_set":"7-DAY CHRONIC FRESHWATER -001"},{"outfall":"TX1","parameter":"IC25 Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia","parameter_code":"T7P3B","statistic":"monthly average minimum","qualifier":null,"value":null,"unit":"%","report_only":true,"enforceable":true,"months":"all","limit_set":"7-DAY CHRONIC FRESHWATER -001"},{"outfall":"TX1","parameter":"IC25 Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas","parameter_code":"T7P6C","statistic":"7-day minimum","qualifier":null,"value":null,"unit":"%","report_only":true,"enforceable":true,"months":"all","limit_set":"7-DAY CHRONIC FRESHWATER -001"},{"outfall":"TX1","parameter":"IC25 Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas","parameter_code":"T7P6C","statistic":"monthly average minimum","qualifier":null,"value":null,"unit":"%","report_only":true,"enforceable":true,"months":"all","limit_set":"7-DAY CHRONIC FRESHWATER -001"},{"outfall":"TXA","parameter":"Whole effluent toxicity - retest #1","parameter_code":"22415","statistic":"single sample","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"24-HOUR ACUTE FRESHWATER - 001"},{"outfall":"TXA","parameter":"Whole effluent toxicity - retest #2","parameter_code":"22416","statistic":"single sample","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"24-HOUR ACUTE FRESHWATER - 001"},{"outfall":"TXA","parameter":"LC50 Pass/Fail Static 24Hr Acute D. Pulex","parameter_code":"TIE3D","statistic":"single sample","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"24-HOUR ACUTE FRESHWATER - 001"},{"outfall":"TXA","parameter":"LC50 Pass/Fail Static 24Hr Acute Pimephales promelas","parameter_code":"TIE6C","statistic":"single sample","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"24-HOUR ACUTE FRESHWATER - 001"}],"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":"TX0125172"},"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=TX0125172"},{"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":"TX0125172"},"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=TX0125172"}]}