City of Mattoon, Illinois

Official Government Website for the City of Mattoon, Illinois

City of Mattoon, Illinois

Official Government Website for the City of Mattoon, Illinois

News2024-04-26T11:17:16-05:00

City of Mattoon News

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City of Mattoon, Illinois - Municipality

City of Mattoon, Illinois - Municipality

www.mattoon.illinois.gov

CITY OF MATTOON
WATER QUALITY UPDATE – July 31, 2025
CURRENT SAMPLE

Sample collected on July 31st showed non-detectable levels of harmful algal bloom neurological toxin in the drinking water at 0.000 ppb which is considered non-detect under the EPA recommended advisory levels of .30 ppb.

We will continue to sample per-EPA guidelines. The next sample date as recommended by the IEPA will be taken on Monday, August 4th. Moving forward test results will be posted to the City’s website when sample results are returned.

PAST SAMPLES
Sample collected on July 28th showed non-detectable levels of harmful algal bloom neurological toxin in the drinking water at 0.042 ppb which is considered non-detect under the EPA recommended advisory levels of .30 ppb.

Sample collected on July 24th showed non-detectable levels of harmful algal bloom neurological toxin in the drinking water at 0.038 ppb which is considered non-detect under the EPA recommended advisory levels of .30 ppb.

Sample collected on July 21st showed non-detectable levels of harmful algal bloom neurological toxin in the drinking water at 0.14 ppb which is considered non-detect under the EPA recommended advisory levels of .30 ppb.

Samples collected on July 16th showed harmful algal bloom neurological toxin in the drinking water at .215 ppb which is under the EPA recommended advisory levels of .30 ppb.

Samples collected on July 17th showed harmful algal bloom neurological toxin in the drinking water at .058 ppb which is considered non-detect under the EPA recommended advisory levels of .30 ppb.

Samples collected on July 18th showed harmful algal bloom neurological toxin in the drinking water at .10 ppb which is considered non-detect under the EPA recommended advisory levels of .30 ppb.

WHAT ACTIONS HAS THE CITY OF MATTOON TAKEN TO CORRECT THE PROBLEM?

The City of Mattoon took the following actions to reduce harmful algal bloom neurological toxin levels:

Contracted with a consultant who recommended both short-term and long-term solutions.

Increased the Powder-Activated Carbon (PAC).
Increased chlorine feed rates.
Performed directional flushing of distribution system based on IEPA recommendations.
Developing long-term treatment options, including lake and plant treatment.
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2 days ago

Latest News from the City of Mattoon

DO NOT DRINK ORDER REISSUED – July 15, 2025

 Date: 7/15/2025 UNSAFE WATER ALERT City of Mattoon water is again possibly contaminated with (Microcystin) a Harmful Algal Bloom DO NOT DRINK YOUR WATER Failure to follow this advisory could result in illness. A DO NOT DRINK ORDER is being reissued because a harmful algal bloom neurological toxin was found at 0.38 parts per billion level and the advisory level for a DO NOT DRINK order is 0.3 parts per billion. The Coles County Health Department, and City of Mattoon Water Treatment Plant are advising residents of the City of Mattoon Water Treatment Plant to NOT USE THE TAP WATER [...]

July 15, 2025|

FAQs About City of Mattoon Water Situation

FAQs About City of Mattoon Water Situation Q: What’s the issue with our water? A: On Thursday, July 10th, the City was notified by IEPA that water contained trace amounts of microcystin (micro-sys-tin), a cyanotoxin (sigh-an-o-toxin) produced by a kind of cyanobacteria that is commonly called “blue-green algae.” While the City continually monitors the water quality, tests performed by the IEPA happen on a periodic basis and when deemed necessary. The water tested at a .35 parts per billion level and the advisory level for children preschool age and younger (under 6 years old), pregnant women and nursing mothers, individuals [...]

July 11, 2025|

Lake Mattoon Waterfowl Hunting Drawing

  CITY OF MATTOON – PARKS & LAKES DEPARTMENT PRESS RELEASE July 2, 2025     Lake Mattoon Waterfowl Hunting Drawing The City of Mattoon has announced the 2025 annual drawing to assign waterfowl hunting privileges at Lake Mattoon. The City of Mattoon has 12 blind locations designated for the hunting of waterfowl at Lake Mattoon.  Applicants must reside in Coles, Cumberland or Shelby Counties and be 18 years old. Lake Mattoon Waterfowl Drawing Applications are available at the Lake Mattoon Marina, 1282 County Road 000E, Neoga, IL 62447. A non-refundable $50 application fee will be charged. Applications should be [...]

July 2, 2025|

IDOT Work on IL 16 (Charleston Ave)

Beginning June 16, 2025 IDOT is scheduled to begin work on IL 16 (Charleston Ave from just west of Swords Drive to Lake Land Boulevard) on June 16th. Howell Paving is the prime contractor and along with several subcontractors they will be setting up traffic control, removing and replacing concrete curb and gutter, removing sidewalk, placing underground cable for new signals and lighting at various locations within the project limits. You can expect to multiple crews at various locations and can expect to experience lane closures throughout the rest of the construction season.

June 6, 2025|

Special City Council Meeting – Virtual Meeting Details

For those who are unable to attend, recordings of any virtual City Council Meetings will be posted to our YouTube Channel. Cisco WebEx hosts the virtual Council Chamber.  Join the meetings using the information shown below. Visit the City Council Meeting page to view the agenda for upcoming meetings. A Special City Council meeting is scheduled for 7:00 AM - 8:00 AM on Wednesday, May 28, 2025. May 28, 2025, Virtual Meeting Details: Special City Council Meeting At no sooner than 6:50 am, visit the Cisco WebEx meeting site by clicking the link below. https://bit.ly/MattoonCC052825 Meeting number (access code): 2554 [...]

May 20, 2025|

Public Works Citizen Engagement

The iWorq reporting system is now live. Please click here to report a problem.   The City of Mattoon Public Works Department will be instituting a new method of reporting issues and requesting information.   We will soon have an online internet-based reporting system that you can use to report issues and request information that will give real-time updates of the status of your inquiry.   It will go into full effect on March 14, 2025.  The really nice part of this new online system is that it will keep you informed of the status of your inquiry and will make sure [...]

March 17, 2025|
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