Cassville presses Missouri regulators over proposed sludge tank near city wells
CASSVILLE, Mo. — Cassville City Administrator Richard Asbill has asked the Missouri Department of Natural Resources to answer groundwater-protection questions before the agency decides whether to approve a permit for a proposed 900,000-gallon sludge-storage tank.
The tank is planned about two miles north of Cassville, uphill from the city and beside Farm Road 1095. The site’s position matters because Cassville’s five public wells supply water for residents as well as businesses, schools, health care providers and public-safety operations.
City seeks answers before state decision
The city participated in the Missouri DNR public-comment process, which ended July 15, 2026. In written questions submitted before final state action, Asbill asked whether the permit would require baseline groundwater testing and continued monitoring after the tank is in operation.
He also sought information about testing the tank’s construction materials, secondary containment, leak detection and emergency notification. Other questions addressed how odor complaints would be handled and what contingency disposal options would be available if the facility could not be used.
The city’s concerns include the area’s karst geology, which can allow groundwater to move through underground features. The hydrologic context cited in the report says groundwater in karst regions can travel as much as one mile per day. That raises questions for city officials about how quickly a leak could move and how it could be detected, monitored and communicated.
Storage and land application are separate decisions
Missouri DNR said permits for sludge storage and land application are separate decisions. The draft storage permit’s conditions prohibit land application under that permit.
That distinction does not resolve the city’s broader questions about the proposed storage site, including what monitoring would be required and how officials would respond to a possible problem. The city has asked for written responses before the agency takes final action.
Final permit status remains pending
The final permit decision was still pending in the July 21, 2026, report. The available record does not establish that contamination has occurred, that the tank has been built or that DNR has approved or denied the permit. It also does not provide a final decision deadline.
For Cassville, the pending review concerns the protection of the city’s five public wells and the safeguards that would apply if the proposed facility moves forward. The next known step is DNR’s final decision after considering the public comments and the city’s questions.
Sources
- Cassville public water concerns arise, Cassville Democrat
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