{"permit":"WV0117072","name":"U. S. SILICA COMPANY","state":"WV","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/WV0117072"},"about":[{"label":"What it is","text":"Industrial Sand (EPA's industry listing)"},{"label":"Where","text":"Berkeley Springs, West Virginia","href":"https://www.openstreetmap.org/?mlat=39.6661&mlon=-78.1983#map=14/39.6661/-78.1983"},{"label":"Last 12 months","text":"No values over a limit. 2 of 36 reports filed late"},{"label":"Permit","text":"In force until Oct 2, 2027"}],"renewal_due":null,"renewal_check":{"offered_because":"application_due_within_18_months","application_due":"2027-04-05","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/WV0117072#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":"WV","sic":"14","permits":64,"list":"https://passage-data.com/api/v1/permits?state=WV&sic=14","page":"https://passage-data.com/dmr/s/WV/14"},"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":"instantaneous minimum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":null},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"instantaneous minimum","qualifier":">=","value":"6","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":null},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"instantaneous 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