Clients & Projects Ohio Department of Transportation District 1 – Overcoming coliform positive problems
Roadside rest areas operated by District 1 in Hancock County, Ohio were experiencing total coliform positive results in systems supplied by carbonate aquifer wells. Ground Water Science supervised drilling and well construction to remove the wells as a source of problems, and made recommendations to redesign the system to remove compromising components. These latter remain in place, as do the problems, but the wells themselves are coliform-free.
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What kind of work do we do? Here is an example:
City of Elkhart, IN - With Greeley-Hansen Engineers: Analysis of biofouling problems
With Greeley-Hansen Engineers: Analysis of biofouling problems, South Wellfield, with specifications for rehabilitation, rehabilitation supervision, and analyses with recommendations. Field testing and evaluation of mechanisms affecting the performance of barrier well system, Northwest Wellfield, including modeling of barrier mound vicinity hydrogeology, testing of parameters that clog wells, and recommendations and projections of potential effects. Planning and supervising site work to make repairs to and rehabilitate critical barrier wells. This work included developing specifications for a rare and difficult in-place seal repair in a screened well, cleaning and conducting testing to define results.
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