Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA
Subpart A - GENERAL PROVISIONS
Section 604.140 - Nitrification Action Plan

Universal Citation: 35 IL Admin Code ยง 604.140

Current through Register Vol. 48, No. 38, September 20, 2024

Any community water supply distributing water without a free chlorine residual must create a Nitrification Action Plan (NAP). The NAP must:

a) contain a plan for monitoring total ammonia-N, free ammonia-N, nitrite-N, nitrate-N, monochloramine residual, dichloramine residual, and total chlorine residual;

b) contain system specific levels of the chemicals in subsection (a) when action must be taken;

c) contain specific corrective actions to be taken if the levels in subsection (b) are exceeded; and

d) be maintained on site and made available to the Agency, upon request.

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