{"permit":"TX0108138","name":"T&W WATER SERVICE COMPANY","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/TX0108138"},"about":[{"label":"What it is","text":"Sewerage Systems (EPA's industry listing)"},{"label":"Where","text":"Jefferson County, Texas","href":"https://www.openstreetmap.org/?mlat=29.874444&mlon=-94.125#map=14/29.874444/-94.125"},{"label":"Last 12 months","text":"Over a limit 2 times, last in May 2026 (E. coli)"},{"label":"Permit","text":"In force until May 16, 2029"}],"renewal_due":null,"renewal_check":null,"sector":{"state":"TX","sic":"4952","permits":1836,"list":"https://passage-data.com/api/v1/permits?state=TX&sic=4952"},"limits_from_version":null,"record":{"last_filed":"2026-09-30","over":2,"over_by":[["E. coli",2]],"window":["2025-10-01","2026-09-30"]},"over_limits":[],"upcoming":[{"parameter":"BOD, carbonaceous [5 day, 20 C]","outfall":"001","limit":2.3,"unit":"lb/d","statistic":"daily average","statistic_code":"DB","begin":"2027-06-01","kind":"new","now":null},{"parameter":"BOD, carbonaceous [5 day, 20 C]","outfall":"001","limit":20,"unit":"mg/L","statistic":"daily average","statistic_code":"DB","begin":"2027-06-01","kind":"new","now":null},{"parameter":"BOD, carbonaceous [5 day, 20 C]","outfall":"001","limit":65,"unit":"mg/L","statistic":"single grab sample","statistic_code":"SG","begin":"2027-06-01","kind":"new","now":null},{"parameter":"Nitrogen, ammonia total [as N]","outfall":"001","limit":12,"unit":"mg/L","statistic":"daily average","statistic_code":"DB","begin":"2027-06-01","kind":"new","now":{"median":3.135,"n":12},"times_limit":0.261},{"parameter":"Nitrogen, ammonia total [as N]","outfall":"001","limit":1.4,"unit":"lb/d","statistic":"daily average","statistic_code":"DB","begin":"2027-06-01","kind":"new","now":{"median":0.03705,"n":12},"times_limit":0.0265},{"parameter":"Nitrogen, ammonia total [as N]","outfall":"001","limit":15,"unit":"mg/L","statistic":"single grab sample","statistic_code":"SG","begin":"2027-06-01","kind":"new","now":{"median":6.65,"n":12},"times_limit":0.443}],"limits":[{"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":"DOMESTIC FACILITY - 001"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. 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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":"TX","sic":"4952"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=TX&sic=4952","url":"https://passage-data.com/api/v1/permits?state=TX&sic=4952"},{"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":"TX0108138"},"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=TX0108138"},{"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":"TX0108138"},"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=TX0108138"}]}