Who’s Responsible if Millcreek Goes Wrong? A Resident Pushes for Written Protections

SILEX, Mo. — Mary Geeding lives downstream of the proposed Millcreek battery-storage facility and gets her household water from a private well. For her, the project’s safety commitments raise a practical question: which protections will be required, and when?

The Lincoln County resident has asked Missouri regulators for a limited role in Ameren Missouri’s approval case, challenging whether commitments described in testimony are adequately reflected in the proposed written conditions.

Her concerns center on runoff containment, emergency-response commitments and the timing of safety reviews. She is asking for those matters to be addressed through enforceable requirements.

Millcreek is a proposed facility that would store electricity in batteries for later delivery to the grid. It has drawn sustained public attention over its location, emergency planning and potential effects on surrounding properties.

Geeding’s October 2 motion identifies a difference between describing a safety measure and making it a condition of approval.

She points to Ameren testimony describing detention basins and other features intended to keep runoff controlled on the property. Her argument is that those descriptions should be carried into the project’s written requirements.

The September 25 proposed agreement calls for Ameren to submit containment procedures its environmental team “may develop” after a battery facility enters service. It also requires submission of the site-specific hazard mitigation analysis or plan after the facility goes into service.

That submission deadline does not, by itself, establish when the analysis would be completed. Geeding is questioning the sequence and the protections the written conditions would secure before operation.

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  Mary Geeding speaks during the October 13 Lincoln County Commission meeting. She has requested limit

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  Lincoln County Emergency Management Director Quentin Laws at a previous commission meeting. Laws has

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  Three Ameren representatives attend the October 13 Lincoln County Commission meeting, where they fie

The agreement also contains safeguards. It calls for a public filing on Tesla Megapack 3 safety-test results at least 90 days before installation, with the supplier’s confidential report provided to regulatory staff and the Office of the Public Counsel. Geeding acknowledges that pre-installation requirement while questioning approval before those results are available.

Emergency planning has also been the subject of Lincoln CountyWatch’s questions to local officials.

In an earlier email, Emergency Management Director Quentin Laws said plume modeling—an assessment of how a release could travel—would help establish when residents should shelter in place or evacuate. He said that work needed to be supported by a comprehensive hazard analysis, response planning and clear criteria for protective actions.

“Those are not questions that can be adequately answered during an actual emergency,” Laws wrote. “They require advance study, planning, coordination, and long-term commitments from the facility operator.”

At the time of that response, Laws said EMA had not received those studies or been asked to participate in developing or reviewing them.

That email predates subsequent coordination meetings with Ameren. It should not be read as a description of everything that remains outstanding today.

Lincoln County Fire Protection District #1 Chief Curtis VanGaasbeek offered a different part of the emergency-response picture in his earlier response.

He said his team had attended training led by battery-storage experts and described a defensive strategy: protect surrounding structures and equipment while allowing an affected battery fire to burn out safely.

“That’s a planned strategy, not an improvised one,” VanGaasbeek wrote.

He also described remote monitoring as another layer of oversight and said the rural location reduced nearby exposure compared with more densely developed locations. Those were the chief’s assessments of the proposed response approach, rather than a guarantee that an incident could have no consequences.

Since those emails, local officials have publicly reported progress.

At the October 8 commission meeting, Laws described discussions with Ameren about responder training, emergency access, runoff containment and direct communication with facility monitoring personnel.

His report also identified work that still needed technical or legal review at that time, including air monitoring, fire-water handling and a separate agreement addressing emergency-response costs.

On costs, Laws said the county wanted arrangements covering expenses such as overtime and additional response resources. He reported that the request had gone to Ameren’s legal team and emphasized that the company had not rejected an agreement.

Those discussions matter to the question of responsibility. Identifying who responds to an incident is one part of the work; establishing how additional resources and expenses would be handled is another.

During the October 13 commission meeting, Ameren representatives said the company would be responsible for damage for which it was liable. Residents continued asking how damage would be established, particularly without baseline soil and water testing.

The exchanges showed that coordination was taking place while residents continued seeking more specific commitments.

Lincoln CountyWatch requested updated information so the earlier responses could be considered alongside that progress. At publication, EMA had not responded to the follow-up request, and the newsroom was awaiting clearer responses from VanGaasbeek about the fire district’s current assessment and outstanding planning questions.

Lincoln CountyWatch has also contacted Ameren seeking a discussion about Millcreek and residents’ concerns. No response to that outreach had been received at publication.

The unanswered follow-ups do not establish that no further work has occurred. They mean the newsroom has not yet received the clarification needed to report which additional details have been completed since the public updates.

Geeding’s request puts the focus on what the final written conditions will require. As planning continues, that distinction remains central to her concerns: how the protections described publicly will become obligations that residents and responders can rely on.

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