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Patrick L Karnash

Septic contractor based in Irwin, Westmoreland County, PA

License details

License number	04002
License type	Sewage Enforcement Officer (SEO)
License status	Certified SEO, current renewal cycle through 2026-09-30
License expires	September 30, 2026: the expiry date in our copy (as of August 16, 2026) has passed. Check with the issuing agency.
Based in	Irwin, Westmoreland County, Pennsylvania 15642

"Based in" is the city and county of the address on the business's license record.

How to verify this license

We publish the license details exactly as they appear in the public licensing records of the agency that issued the license; we do not vouch for the business itself. Before hiring, look up license #04002 directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.

Source: PA Clean Water Academy - Sewage Enforcement Officers (Active), last checked 2026-08-16. Look it up at the issuing agency.

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