During the Public Presentation of the GAC Treatment Study, the following presentation was reviewed.  Click on the link below to download a copy of that presentation.

JACOBS Study Presentation




Granulated Activated Carbon Water Treatment Study

Presented by Jacobs Engineering


Roland Fine Arts Center, Hannibal-LaGrange University

Wednesday, March 22, 2017 at 5:30 p.m.


A 2016 petition initiative to remove ammonia from Hannibal’s water treatment process was submitted to the city.  The petition contained the requisite number of signatures for placement on the April 4 referendum for public vote.  If approved by voters, ammonia (or chloramines) would be removed from the water treatment process, and some alternative treatment process must be implemented, in-lieu.

In Fall 2016, the Hannibal City Council commissioned an independent engineering firm – Jacobs Engineering – to study the cost and feasibility of implementing a Granulated Activated Carbon (GAC) system as an alternative to the current treatment process (which uses chloramines).   Jacobs has now completed that study.

Representatives of Jacobs Engineering will present the results of this study at the Roland Fine Arts Center (on the campus of Hannibal LaGrange University) on Wednesday, March 22, 2017 at 5:30 p.m.  Jacobs will present this study and answer questions.  Representatives of the Missouri Department of Natural Resources have been invited as well, to answer any questions.  The public is invited to attend.

Please click below to access the GAC study.

JACOBS Granular Activated Carbon Engineering Report