Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 611 - PRIMARY DRINKING WATER STANDARDS › Subpart AG - INTERIM LEAD AND COPPER RULES › Table Z - Federal Effective Dates

Current through Register Vol. 48, No. 28, July 12, 2024
The following are the effective dates of the various federal
				  NPDWRs:
Fluoride (40 CFR
							 141.62(b)(1))
(corresponding with Section
							 611.301(b))
October 2, 1987
Phase I VOCs (40 CFR 141.61(a)(1) through
							 (a)(8))
(corresponding with Section
							 611.311(a))
(benzene, carbon tetrachloride, p-dichlorobenzene,
							 1,2-dichloroethane, 1,1-dichloroethylene, 1,1,1-trichloroethane,
							 trichloroethylene, and vinyl chloride)
January 9, 1989
Total Coliforms Rule (40 CFR 141.21 and
							 141.63)
(corresponding with Sections
							 611.521 -611.527 and
							 611.325)
(total coliforms, fecal coliforms, and E.
							 coli)
Replaced by the Revised Total Coliforms Rule
							 (40 CFR
							 141, subpart Y)
December 31, 1990
Surface Water Treatment Rule (40 CFR
							 141, subpart H)
(corresponding with Subpart B)
(filtration, disinfection, and turbidity)
Effective: December 31, 1990
Compliance: December 31, 1991
Lead and Copper (40 CFR 141, subpart
							 I)
(corresponding with Subpart G)
(lead and copper monitoring, reporting, and
							 recordkeeping requirements of
							 40 CFR
							 141.86 through
							 141.91)
July 7, 1991
Phase II IOCs (40 CFR 141.62(b)(2) and (b)(4) through
							 (b)(10))
(corresponding with Section
							 611.301(b))
(asbestos, cadmium, chromium, mercury, nitrate,
							 nitrite, and selenium)
July 30, 1992
Phase II VOCs (40 CFR 141.61(a)(9) through
							 (a)(18))
(corresponding with Section
							 611.311(a))
(o-dichlorobenzene, cis-1,2-dichloroethylene,
							 trans-1,2-dichloroethylene, 1,2-dichloropropane, ethylbenzene,
							 monochlorobenzene, styrene, tetrachloroethylene, toluene, and xylenes
							 (total))
July 30, 1992
Phase II SOCs (40 CFR 141.61(c)(1) through
							 (c)(18))
(corresponding with Section
							 611.311(c))
(alachlor, atrazine, carbofuran, chlordane,
							 dibromochloropropane, ethylene dibromide, heptachlor, heptachlor epoxide,
							 lindane, methoxychlor, polychlorinated biphenyls, toxaphene, 2,4-D, and
							 2,4,5-TP (silvex))
July 30, 1992
Phase V SOC (40 CFR
							 141.61(c)(3))
(corresponding with Section
							 611.311(c))
(endrin)
August 17, 1992
Lead and Copper (40 CFR 141, subpart
							 I)
(corresponding with Subpart G of this Part)
(lead and copper corrosion control, water treatment,
							 public education, and lead service line replacement requirements of
							 40 CFR
							 141.81 through
							 141.85)
December 7, 1992
Phase IIB IOC (40 CFR
							 141.62(b)(3))
(corresponding with Section
							 611.301(b))
(barium)
January 1, 1993
Phase IIB SOCs (40 CFR 141.61(a)(9) through
							 (a)(18))
(corresponding with Section
							 611.311(c))
(aldicarb, aldicarb sulfone, aldicarb sulfoxide, and
							 pentachlorophenol. See the Board note appended to Section
							 611.311(c) for
							 information relating to implementation of requirements relating to aldicarb,
							 aldicarb sulfone, and aldicarb sulfoxide.)
January 1, 1993
Phase V IOCs (40 CFR 141.62(b)(11) through
							 (b)(15))
(corresponding with Section
							 611.301(b))
(antimony, beryllium, cyanide, nickel, and
							 thallium)
January 17, 1994
Phase V VOCs (40 CFR 141.61(b)(19) through
							 (b)(21))
(corresponding with Section
							 611.311(a))
(dichloromethane, 1,2,4-trichlorobenzene, and
							 1,1,2-trichloroethane)
January 17, 1994
Phase V SOCs (40 CFR 141.61(c)(19) through
							 (c)(25))
(corresponding with Section
							 611.311(c))
(benzo(a)pyrene, dalapon, di(2-ethylhexyl)adipate,
							 di(2-ethylhexyl)phthalate dinoseb, diquat, endothall, glyphosate,
							 hexachlorobenzene, hexachlorocyclopentadiene, oxamyl, picloram, simazine, and
							 2,3,7,8-TCDD)
January 17, 1994
Consumer Confidence Report Rule (40 CFR
							 141, subpart Q)
(corresponding with Subpart O)
(notification to public of drinking water
							 quality)
September 18, 1998
Interim Enhanced Surface Water Treatment Rule
							 (40 CFR
							 141, subpart P)
(corresponding with Subpart R)
(applicable to suppliers providing water to fewer
							 than 10,000 persons)
(Giardia lamblia, viruses, heterotrophic plate count
							 bacteria, Legionella, Cryptosporidium, and turbidity)
February 16, 1999
Public Notification Rule (40 CFR 141, subpart
							 Q)
(corresponding with Subpart V)
(notification to public of NPDWR violations,
							 variances or exemptions, or other situations that could bear on public
							 health)
June 5, 2000
Filter Backwash Rule (40 CFR 141.76)
(corresponding with Section
							 611.276)
(reuse of spent filter backwash water, thickener
							 supernatant, or liquids from dewatering processes)
August 7, 2001
Disinfection/Disinfectant Byproducts Rule
							 (40 CFR
							 141.64,
							 141.65 and
							 141, subpart L)
Smaller Systems (serving 10,000 or fewer
							 persons)
December 16, 2001
Larger Systems (serving more than 10,000
							 persons)
(corresponding with Sections
							 611.312 and
							 611.313)
(total trihalomethanes, haloacetic acids (five),
							 bromate, chlorite, chlorine, chloramines, and chlorine dioxide)
December 16, 2003
Long Term 1 Enhanced Surface Water Treatment Rule
							 (40 CFR
							 141, subpart T)
(corresponding with subpart X)
(applicable to suppliers providing water to 10,000 or
							 more persons)
(Giardia lamblia, viruses, heterotrophic plate count
							 bacteria, Legionella, Cryptosporidium, and turbidity)
February 13, 2002
Radionuclides (40 CFR 141.66)
(corresponding with Section
							 611.330)
(combined radium (Ra-226 + Ra-228), gross alpha
							 particle activity, beta particle and photon activity, and uranium)
December 8, 2003
Arsenic (40 CFR
							 141.62(b)(16))
(corresponding with Section
							 611.301(b))
(arsenic)
January 23, 2006
Stage 2 Disinfection/Disinfectant Byproducts Rule
							 (40 CFR
							 141, subparts U and V)
Systems that serve fewer than 10,000 persons)
Submit plan
April 1, 2008
Complete monitoring or study
March 31, 2010
Submit IDSE report
July 1, 2010
Compliance with monitoring requirements
If no Cryptosporidium monitoring is required
October 1, 2013
If Cryptosporidium monitoring is required
October 1, 2014
Systems that serve 10,000 to 49,999 persons)
Submit plan
October 1, 2007
Complete monitoring or study
September 30, 2009
Submit IDSE report
January 1, 2010
Compliance with monitoring requirements
October 1, 2013
Systems that serve 50,000 to 99,999 persons)
Submit plan
April 1, 2007
Complete monitoring or study
March 31, 2009
Submit IDSE report
July 1, 2009
Compliance with monitoring requirements
October 1, 2012
Systems that serve 100,000 or more persons)
Submit plan
October 1, 2006
Complete monitoring or study
September 30, 2008
Submit IDSE report
January 1, 2009
Compliance with monitoring requirements
April 1, 2012
(corresponding with Subparts W and Y)
(total trihalomethanes and haloacetic acids
							 (five))
Long Term 2 Enhanced Surface Water Treatment Rule
							 (40 CFR
							 141, subpart W)
Systems that serve fewer than 10,000 persons
And that monitor for E. coli
Begin first round of monitoring
October 1, 2008
Begin treatment for Cryptosporidium
October 1, 2014
Begin second round of monitoring
October 1, 2017
And that monitor for cryptosporidium
Begin first round of monitoring
April 1, 2010
Begin treatment for Cryptosporidium
October 1, 2014
Begin second round of monitoring
April 1, 2019
Systems that serve 10,000 to 49,999 persons
Begin first round of monitoring
April 1, 2008
Begin treatment for Cryptosporidium
October 1, 2013
Begin second round of monitoring
October 1, 2016
Systems that serve 50,000 to 99,999 persons
Begin first round of monitoring
April 1, 2007
Begin treatment for Cryptosporidium
October 1, 2012
Begin second round of monitoring
October 1, 2015
Systems that serve 100,000 or more persons
Begin first round of monitoring
October 1, 2006
Begin treatment for Cryptosporidium
April 1, 2012
Begin second round of monitoring
April 1, 2015
(corresponding with Subpart Z)
(E. coli, Cryptosporidium, Giardia lamblia, viruses,
							 and turbidity)
Groundwater Rule (40 CFR
							 141, subpart S)
December 1, 2009
(corresponding with Subpart S)
(E. coli, enterococci, and coliphage)
Revised Total Coliforms Rule (40 CFR
							 141, Subpart Y)
Effective: April 15, 2013
(corresponding with subpart AA)
Compliance: April 1, 2016
(total coliforms (indicator), E. coli)
Lead-Free Fixtures Rule (40 CFR 143, subpart
							 B)
Effective: October 1, 2020
(corresponding with Section
							 611.126)
(lead in plumbing fixtures)
Compliance: September 1, 2023
Lead and Copper Rule Revisions (40 CFR 141, subpart
							 I)
Effective: December 16, 2021
(corresponding with Subpart G)
(lead and copper (indicator))
Compliance: October 16, 2024