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Clean Water Act discharge permit · NPDES CTP000026

MICROTECH INC, Cheshire, CT: NPDES CTP000026 discharge permit, effluent exceedances, inspections, penalties

MICROTECH INC holds NPDES permit CTP000026. EPA’s file records it issued August 10, 2012 and expiring August 31, 2017. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedMICROTECH INC
Permittee as filedMICROTECH INC
NPDES IDCTP000026
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual industrial user permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedAugust 10, 2012
Expiration dateAugust 31, 2017
Issuing agencyCT DEP
AddressCheshire, CT 06410
SIC3728 – Aircraft Parts And Equipment
Other EPA IDs (FRS)RCRA handler CTD054476973; ICIS-AIR source CT0000000900908536

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Silver, total [as Ag]2128August 31, 2022160% over the limit
Fluoride, total [as F]2137March 31, 202667% over the limit
Nickel, total [as Ni]273February 28, 202112% over the limit
Cyanide, free [amenable to chlorination]262December 31, 200490% over the limit
Chromium, hexavalent [as Cr]262December 31, 2025241% over the limit
Flow, maximum during 24 hr period360
Chromium, total [as Cr]260
Flow150
pH240
Solids, total suspended240
Cyanide, total [as CN]240
Cadmium, total [as Cd]240
Copper, total [as Cu]240
Zinc, total [as Zn]240
Tin, total [as Sn]240
Flow rate130
pH, maximum120
pH, minimum120
Organics, total toxic [TTO]120
Lead, total [as Pb]200

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

DateWhat EPA recordedAgency
December 18, 2025Reporting Violations - Improper/ Incorrect ReportingST6
December 18, 2025Permit Violations - Violation Specified in CommentST6
December 10, 2025Effluent Violations - Numeric effluent violationST6
December 10, 2025Management Practice Violations - Failure to Maintain RecordsST6
December 10, 2025Monitoring Violations - Frequency of Sampling ViolationST6
December 10, 2025Reporting Violations - Late Submittal of DMRsST6
December 10, 2025Monitoring Violations - Invalid/Unrepresentative SampleST6
December 10, 2025Reporting Violations - Improper/ Incorrect ReportingST6
November 7, 2024Effluent Violations - Numeric effluent violationST6

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES CTP000026 held by MICROTECH INC in Cheshire, CT, which is listed as administratively continued and classed as a minor discharger. The register lists 20 pollutants under a numeric limit and 5 pollutants with an effluent exceedance.