Allegheny County stormwater management is governed by PA Act 167 watershed plans administered by ACHD and municipalities. Pittsburgh PWSA enforces green infrastructure under EPA consent decree. Projects over 1 acre require NPDES permits.
Allegheny County has adopted Act 167 Stormwater Management Plans for Chartiers Creek, Turtle Creek, Pine Creek, Deer Creek, Lower Allegheny, and Monongahela watersheds. Developments disturbing 1 or more acres need PA DEP NPDES Construction Permit plus ACHD and municipal approvals. Pittsburgh Water and Sewer Authority (PWSA) operates under a federal EPA consent decree requiring Green First Plan investments in bioswales, rain gardens, and combined sewer overflow (CSO) reduction. Downtown and older neighborhoods have combined sewers subject to CSO regulation under ALCOSAN Clean Water Plan.
NPDES violations: up to 25,000 dollars per day per PA Clean Streams Law. Local stormwater violations: 500 to 10,000 dollars. EPA federal penalties can exceed 50,000 dollars per day.
Allegheny County, PA
Vehicle noise enforced under PA Vehicle Code Title 75 §4523 (muffler required) statewide. No countywide Allegheny ordinance. Loud exhaust, modified mufflers,...
Allegheny County, PA
Allegheny County has no countywide leaf-blower ordinance. A few municipalities (notably Mt. Lebanon and Sewickley) restrict gas-powered blower hours; Pittsbu...
Allegheny County, PA
No countywide Allegheny County construction-hours rule. Municipalities set their own limits. Pittsburgh allows construction 7 AM to 10 PM weekdays, 8 AM to 1...
Allegheny County, PA
ACHD Article XXI Part F sets countywide commercial/industrial noise limits: 65 dBA day / 55 dBA night at receiving residential property lines. This is one of...
Allegheny County, PA
Amplified music is regulated municipally, not countywide. Pittsburgh Code §601.04 prohibits amplified sound audible 100 feet from source after 10 PM. ACHD Ar...
Allegheny County, PA
RV and boat parking rules vary by Allegheny County municipality. Pittsburgh and most suburban communities prohibit front yard storage, require side or rear y...
See how Allegheny County's stormwater management rules stack up against other locations.
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