I had earlier this week posted information about Rockwell Automation's water treatment technologies in the context of Waukesha's situation with radium and a compliance deadline, and wondered if Waukesha had looked at the company's work.
Regarding water treatment, this is exactly what we would do under the deep/shallow aquifer alternative presented in our alternatives analysis. Reverse Osmosis is a technology that is available for treating brackish waters that are high in Total Dissolved Solids (TDS) or salts. However, this alternative does not address the water supply issue and the negative impacts the continuing drawdown creates in the environment. In addition to being unsustainable for the long term, this option is more expensive than the Lake Michigan option.
With regards to the Advanced Water Processing Facility, they are utilizing that water to replenish the aquifers to try to minimize the impacts of brackish waters into their supply so that they may have another 20 years of water available to them. That is similar to our request to recycle and reuse the treated effluent from our wastewater facility through Underwood Creek back to the lake, except our solution will work for the long term. They are using it as a resource rather that saying it is "toilet" water, like it is commonly referred to in your blog.
Unfortunately we are not able to use this technology to assist in the recovery of the deep aquifer. This is due to "plugging" of the aquifer that will occur. When I was in Oak Creek, plugging occurred with treated and there were other issues with contamination of the aquifer. This causes the DNR to have concerns with recycling wastewater effluent in this way.
I appreciate your interest. Please keep me informed of other articles that relate to our issue.