TEXAS INSTRUMENTS INC.

NPDES permit MA0001791 · Major NON-POTW · administratively continued, expires 2015-12-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

This permit expired on 2015-12-31 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

7values over a limit
0required values missing, on 0 form(s)
3of 55 forms filed late

Last period with anything received: 2026-07-31. Most often over: pH (7).

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (50)

OutfallParameterStatisticLimitMonths
002pHMINIMUM >= 6.5 SU all year
002pHMINIMUM >= 6.5 SU all year
002pHMAXIMUM <= 8.3 SU all year
002pHMAXIMUM <= 8.3 SU all year
002ChloroformMO AVG report only all year
002ChloroformDAILY MX report only all year
002trans-1,2-DichloroethyleneDAILY MX <= 100 ug/L all year
002Vinyl chlorideMO AVG report only all year
002Vinyl chlorideDAILY MX report only all year
002TrichloroethyleneDAILY MX <= 5 ug/L all year
002Priority PollutantsTOTAL report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantMO AVG <= 250000 gal/d all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002cis-1,2-DichloroethyleneMO AVG report only all year
002cis-1,2-DichloroethyleneDAILY MX <= 70 ug/L all year
002TetrachloroetheneMO AVG report only all year
002TetrachloroetheneDAILY MX report only all year
002TrichloroetheneMO AVG report only all year
002TrichloroetheneDAILY MX <= 5 ug/L all year
004pHMINIMUM >= 6.5 SU all year
004pHMAXIMUM <= 8.3 SU all year
004ChloroformMO AVG report only all year
004ChloroformDAILY MX report only all year
004Vinyl chlorideMO AVG report only all year
004Vinyl chlorideDAILY MX report only all year
004TrichloroethyleneMO AVG report only all year
004TrichloroethyleneDAILY MX report only all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004cis-1,2-DichloroethyleneMO AVG report only all year
004cis-1,2-DichloroethyleneDAILY MX report only all year
004TrichloroetheneMO AVG report only all year
004TrichloroetheneDAILY MX report only all year
007pHMINIMUM report only all year
007pHMAXIMUM report only all year
007Copper, total [as Cu]MO AVG report only all year
007Copper, total [as Cu]DAILY MX report only all year
007Lead, total [as Pb]MO AVG report only all year
007Lead, total [as Pb]DAILY MX report only all year
007Nickel, total [as Ni]MO AVG report only all year
007Nickel, total [as Ni]DAILY MX report only all year
007Silver, total [as Ag]MO AVG report only all year
007Silver, total [as Ag]MAXIMUM report only all year
007Zinc, total [as Zn]MO AVG report only all year
007Zinc, total [as Zn]DAILY MX report only all year
007Aluminum, total [as Al]MO AVG report only all year
007Aluminum, total [as Al]DAILY MX report only all year
007Flow, in conduit or thru treatment plantMO AVG report only all year
007Flow, in conduit or thru treatment plantDAILY MX report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states