Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 611 - PRIMARY DRINKING WATER STANDARDS › Subpart V - PUBLIC NOTIFICATION OF DRINKING WATER VIOLATIONS › Section 611.911 - Special Notice for Cryptosporidium

Current through Register Vol. 48, No. 28, July 12, 2024
a) When the Special Notice for Repeated
				Failure to Monitor Must Be Given. The owner or operator of a CWS or non-CWS
				that is required to monitor source water under Section
				611.1001
				must notify persons served by its water system that monitoring has not been
				completed as specified no later than 30 days after the system has failed to
				collect any three months of monitoring, as specified in Section
				611.1001(c).
				The notice must be repeated as specified in Section
				611.903(b).
b) When the Special Notice for Failure to
				Determine Bin Classification or Mean Cryptosporidium Level Must Be Given. The
				owner or operator of a CWS or non-CWS that is required to determine a bin
				classification under Section
				611.1010,
				or one that is required to determine mean Cryptosporidium level under Section
				611.1012,
				must notify persons served by its water system that the determination has not
				been made as required no later than 30 days after the system has failed report
				the determination as specified in Section
				611.1010(e)
				or Section
				611.1012(a),
				respectively. The supplier must repeat the notice as specified in Section
				611.903(b).
				The notice is not required if the system is complying with an Agency-approved
				schedule to address the violation.
c) The Form and Manner of a Special Notice.
				The form and manner of the public notice must follow the requirements for a
				Tier 2 public notice prescribed in Section
				611.903(c).
				The public notice must be presented as required in Section
				611.905(c).
d) Mandatory Language That Must Be Contained
				in the Special Notice. The notice must contain all of the following language,
				including the language necessary to fill in the blanks:
1) The special notice for repeated failure to
				conduct monitoring must contain the following mandatory language:
We are required to monitor the source of your drinking water
				  for Cryptosporidium. Results of the monitoring are to be used to determine
				  whether water treatment at the [treatment plant name] is sufficient to
				  adequately remove Cryptosporidium from your drinking water. We are required to
				  complete this monitoring and make this determination before [required bin
				  determination date]. We [insert the applicable of the following at this point:
				  "did not monitor or test" or "did not complete all monitoring or testing"] on
				  schedule and, therefore, we may not be able to determine before the required
				  date what treatment modifications, if any, must be made to ensure adequate
				  Cryptosporidium removal. Missing this deadline may, in turn, jeopardize our
				  ability to have the required treatment modifications, if any, completed before
				  the deadline required, [date]. For more information, please call [name of water
				  system contact] of [name of water system] at [phone number].
2) The special notice for failure to
				determine bin classification or mean Cryptosporidium level must contain the
				following mandatory language:
We are required to monitor the source of your drinking water
				  for Cryptosporidium in order to determine before [date] whether water treatment
				  at the [treatment plant name] is sufficient to adequately remove
				  Cryptosporidium from your drinking water. We have not made this determination
				  before the required date. Our failure to do this may jeopardize our ability to
				  have the required treatment modifications, if any, completed before the
				  required deadline of [date]. For more information, please call [name of water
				  system contact] of [name of water system] at [phone number].
3) Each special notice must also include a
				description of what the supplier is doing to correct the violation and when the
				supplier expects to return to compliance or resolve the situation.