Last updated Aug. 18, 2017

The Missouri Department of Natural Resources has received valuable information from the public, including former employees. If you have additional information to share, please consider completing this brief form to assist the department in protecting human health. Also, if you have a private drinking water well and live within city limits, please notify us. Information obtained from these forms will be used by the department to assist with our investigations.



UpdateThe department has received the addendum to the Remedial Investigation/Feasibility Study from the city of Camdenton's contract, Golder Associates. The Remedial Investigation Addendum (RIA) provides supporting data to develop alternative remedial (cleanup) actions for the trichloroethene (TCE) contamination in the Mulberry Well that originated from the former Hulett Lagoon. These cleanup actions will be presented to the state in a Feasibility Study Addendum (FSA). Based on the alternatives presented in the original Feasibility Study (2004) and the FSA, a cleanup action will be chosen.

The Missouri Department of Natural Resources' goal is to protect human health of the citizens of Camdenton and the environment from threats posed by hazardous waste. The department is initiating two new Superfund investigations in response to citizen reports that TCE may have been disposed of into the environment at locations other than the former Modine facility and Hulett Lagoon.

Brief Overview

Modine Manufacturing Co. is conducting investigations of TCE releases at the 221 Sunset Drive facility as ordered by the department. Modine's earlier investigations of the facility focused on soil contamination at the site. Due to advances in science and the understanding of potential health effects associated with vapors released from soil and groundwater contaminated with volatile organic compounds, the focus has shifted to investigating vapors inside the manufacturing building and nearby residential homes. The investigation began early December 2015 and consisted of sampling the indoor air in homes near the facility for vapor intrusion.

Hamilton-Sundstrand, parent company of former Sundstrand Tubular Products, is addressing related groundwater contamination issues with the Hulett Lagoon and Mulberry Well under an official agreement with the department. As a temporary measure to keep the TCE plume contained and not spreading to other city or private wells, a water treatment system was created to aerate the TCE out of the water and into the air. A report from the city coming in August will provide further information for more permanent measures.

These two sites are related and the department has two separate sections working closely on the coordination of the investigation and the corrective action/remedial activities. The Permits Section is managing the former manufacturing building site and the Superfund Section is managing the Hulett Lagoon and Mulberry Well sites.

The department is starting an investigation at Dawson Metal Products Camdenton Facility #2 – located at 1225 US Highway 54 because of citizen concerns. It has been reported that TCE was disposed of “out the back door” into the environment during temporary operations of Dawson Metal Products after a fire at the original Sunset Drive facility location. Superfund staff is looking for any detailed and supported information about this claim and the sludge disposal reports listed below.

The second investigation is focused on the Camdenton Sludge Disposal Area Site. In 1989 the sludge from the closed Hulett Lagoon was land applied in a field north of Forbes Road at the end of the runway at the Camdenton Memorial Airport. The department received new information from a citizen that two additional sludge disposal areas might exist. Superfund staff is looking for any detailed and supported information about this claim.

For more information about the Dawson Metal Products Camdenton Facility #2 and Camdenton Sludge Disposal Area Site, please scroll to the bottom of this page and click on the site buttons.


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