Stormwater and Floodplain

Stormwater and Floodplain

Saxon Woods Golf Course Drainage Design

The Saxon Woods Golf Course is owned by Westchester County. James J. Hahn Engineering, P.C. analyzed the 217 acre watershed and...
Stormwater and Floodplain

Phosphorus Reduction Stormwater Retrofit Projects

Hahn Engineering has designed and construction administered more than a dozen stormwater management practices approved by the...
Stormwater and Floodplain

Beacon Hill Drive Drainage

Drainage Improvements including hydrologic, hydraulic analysis with Design and Construction Administration Services....

James J. Hahn Engineering, P.C. takes pride in the quality and care that is incorporated into each and every project and will continue this level of pride and professionalism.

Saxon Woods Golf Course Drainage Design

Phosphorus Reduction Stormwater Retrofit Projects

Beacon Hill Drive Drainage