Iowa Administrative Code

30.6(1) Setting the fees. The department shall submit the proposed budget and fees for major and minor source construction permit programs, the Title V operating permit program, and the asbestos NESHAP program for the following fiscal year to the commission no later than the Marc…

31.1(1) This chapter implements the nonattainment new source review (NNSR) program contained in Part D of Title I of the federal Clean Air Act and as promulgated under 40 CFR §51.165 as amended through March 30, 2011, and 40 CFR Part 51, Appendix S, as amended through July 1, 201…

the application of such provision to any person or circumstance, is held invalid, the remainder of these rules, or the application of such provision to persons or circumstances other than those as to which it is held invalid, shall not be affected thereby. [ARC 7960C, IAB 5/15/24…

nonattainment. 31.3(1) Definitions. For the purpose of NNSR, the following definitions shall apply: “Act” means the Clean Air Act, 42 U.S.C. §7401, et seq., as amended through November 15, 1990. “Actual emissions” means: 1. The actual rate of emissions of a regulated new source r…

31.4(1) Sources shall comply with the requirements of Section 110(a)(2)(D)(i) of the Act for any new major stationary source or major modification as defined in 31.3(1). The definitions in 31.3(1) for “major stationary source” and “major modification” planning to locate in any ar…

specified in 40 CFR §51.165(f) as amended through March 30, 2011, are adopted by reference. 31.9(1) The following portions of actuals PALs in 40 CFR §51.165(f) are modified to read as follows: a. 40 CFR §51.165(f)(2): Definitions. The definitions in paragraphs (f)(2)(i) through (…

contained in Part C of Title I of the federal Clean Air Act as amended on November 15, 1990, and as promulgated under 40 CFR 51.166 and 52.21. This is a preconstruction review and permitting program applicable to new or modified major stationary sources of air pollutants regulate…

Control Projects set forth in 40 CFR 51.166 and 52.21 are not adopted by reference. [ARC 7962C, IAB 5/15/24, effective 6/19/24] These rules are intended to implement Iowa Code section 455B.133. [Filed 8/25/06, Notice 6/7/06—published 9/27/06, effective 11/1/06] [Filed 2/8/07, Not…

33.3(1) Definitions. Definitions included in this subrule apply to the provisions set forth in this rule (PSD program requirements). For purposes of this rule and unless otherwise noted, the definitions herein apply. Definitions that are adopted by reference from 40 CFR 51.166 or…

567—33.9(455B) Plantwide applicability limitations (PALs). This rule provides an existing major source the option of establishing a PAL on emissions, provided the conditions in this rule are met. The provisions for a PAL as set forth in 40 CFR 52.21(aa) are adopted by reference, …

In addition to the requirements in this chapter, stationary sources may also be subject to the permitting requirements in 567—Chapter 22 and the rules for Title V operating permits in 567—Chapter 24. [ARC 7962C, IAB 5/15/24, effective 6/19/24]

providing a schedule and required procedures for the proper plugging of abandoned wells to protect the groundwater by permanently sealing off contamination to individual aquifers. 39.1(1) Wells covered by these rules are those accessing groundwater (withdrawing water from or inje…

Chapter 82, and Iowa Code sections 455B.101, 455B.171, 455B.190 and 455B.190A, the following definitions shall apply to this chapter: “Agricultural lime” means all calcium and magnesium products sold for agricultural purposes in the carbonate form, not including quicklime or hydr…

properly plugged within 90 days of the date of abandonment. [ARC 9197C, IAB 5/14/25, effective 6/18/25]

39.4(1) Plugging requirements. The well owner is responsible for ensuring an abandoned well is plugged pursuant to this chapter. 39.4(2) Record. It is the responsibility of the owner to complete, certify, and submit to the department, or the local county health department when se…

39.5(1) Sealing materials. Approved sealing materials are bentonite products (graded bentonite, bentonite pellets, and bentonite grout), neat cement, sand cement grout, and concrete. If graded bentonite or bentonite pellets are used, they may be added by pouring in place and agit…

39.6(1) Freedom from obstructions. Abandoned wells must be checked before they are plugged in order to ensure there are no obstructions that may interfere with plugging operations. Drop pipes, check valves, pumps, and other obstructions shall be removed if practical. 39.6(2) Remo…

39.7(1) Standby wells. All standby wells shall: a. Be disinfected prior to being taken out of use for a long period of time and when placed back in service, in accordance with rule 567—49.24(455B); b. Be checked for bacteria and nitrates, as a minimum, when placed back in service…

information substantiating the need for a waiver is submitted in accordance with the department’s waiver procedures in 561—Chapter 10. When satisfactory justification has been submitted to the director demonstrating that a waiver to these rules will result in equivalent or improv…

Administrative Code. This rule is intended to implement Iowa Code chapter 17A as amended by 1998 Iowa Acts, chapter 1202. [Filed 11/21/75, Notices 7/14/75, 8/25/75—published 12/15/75, effective 1/19/76] [Filed without Notice 3/14/79—published 4/4/79, effective 5/9/79] [Filed 4/23…

40.1(1) The department conducts the public water supply program and establishes minimum standards for private water supply system construction. The public water supply program includes the following: establishing drinking water standards, including maximum contaminant levels, tre…

defined in this rule are applicable to this division and the chapters listed in rule 567—40.1(455B), unless otherwise specified. 40.2(1) Defined terms. “Action level” or “AL” means the lead or copper concentration(s) in water that determine, in some cases, the treatment requireme…

on activities related to the department’s public water supply program may be obtained on the department’s website at www.iowadnr.gov or upon request. Properly completed forms shall be submitted to the department as noted in the form instructions. 40.3(1) Construction permit appli…

40.4(1) General procedures. Applications for written department approval for any new construction or for reconstruction pursuant to 567—Chapter 43 shall consist of complete plans and specifications, an application fee, and appropriate water supply construction permit application …

(ALE). 40.6(1) Lead consumer notice. a. Reporting. All CWSs and NTNCs must provide a consumer notice of the individual lead tap water monitoring results required by 567—paragraph 41.4(1)“c” to the persons served at the tested sites (taps). Any system with a lead ALE shall also im…

40.7(1) Applicability and purpose. This rule applies to all CWSs and establishes the requirements for the content of annual CCRs that CWSs must deliver to their customers. These CCRs must contain information on the quality of the water delivered by the systems and characterize th…

40.8(1) Reporting requirements other than for lead and copper. a. When required by the department, a PWS shall report to the department within ten days following a test, measurement, or analysis required by this chapter and 567—Chapters 41 and 43, the results of that test, measur…

specified in this rule on its premises or at a convenient location near its premises. 40.9(1) Analytical records. a. Basic information. Actual laboratory reports shall be kept, or data may be transferred to tabular summaries, provided that the following information is included: (…

shall apply to each public water supply system (PWS) unless the PWS meets all of the following conditions: 1. Consists only of distribution and storage facilities (and does not have any collection and treatment facilities); 2. Obtains all of its water from, but is not owned or op…

other information compiled by departmental staff may be used to determine compliance with the MCLs, TTs, or ALs in this chapter or 567—Chapter 43 or for initiating remedial action with respect to these violations. [ARC 9396C, IAB 7/9/25, effective 8/13/25]

41.11(1) Monitoring of interconnected PWS. When a PWS system supplies water to one or more other PWSs, the department may modify the monitoring requirements imposed by this chapter to the extent that the interconnection of the systems justifies treating them as a single system fo…

monitoring requirements. 41.2(1) Coliform bacteria and Escherichia coli (E. coli). The provisions of this subrule include both MCL and TT requirements and apply to all PWSs. Failure to comply with the applicable requirements in this subrule is a violation of the national primary …

copper. 41.3(1) MCLs and other requirements for inorganic chemical (IOC) contaminants. a. Applicability. The MCLs, BATs, and analytical methods for IOC contaminants specified in this subrule apply to CWSs and NTNCs as specified herein. The fluoride MCL applies only to CWSs and NT…

41.4(1) Lead, copper, and corrosivity regulation by the setting of a TT requirement. The lead and copper rules establish a TT that includes requirements for corrosion control treatment (CCT), source water treatment, lead service line (LSL) replacement, and public education (PE). …

41.5(1) MCLs and other requirements for organic chemicals. MCLs, analytical methods, and monitoring requirements for two classes of organic chemical contaminants apply to CWSs and NTNCs as specified herein. The two referenced organic chemical classes are volatile organic chemical…

41.6(1) Stage 1 DBP requirements. a. Applicability. (1) This rule establishes criteria under which CWSs and NTNCs that add a chemical disinfectant to the water in any part of the drinking water treatment process or that provide water that contains a chemical disinfectant must mod…

41.7(1) General requirements. a. Scope. The requirements of this rule constitute national primary drinking water regulations. b. Applicability. This rule applies to all PWSs that use GW, except for PWSs that combine all of their GW with SW or with IGW prior to treatment under 567…

41.8(1) Radionuclides. a. Applicability. (1) This rule applies to all CWSs and specifies radionuclide MCLs, analytical methodology requirements, and monitoring requirements. Radionuclide reporting requirements are listed in 567—subrule 40.8(1), PN requirements are in 567—40.5(455…

41.9(1) Sodium special monitoring. Suppliers of water for CWSs shall collect and have analyzed one sample per source or plant to determine the sodium concentration in the distribution system. Systems utilizing multiple wells that draw raw water from a single aquifer may, with dep…

2. In cases where systems switch between the use of chlorine and chloramines for residual disinfection during the year, compliance must be determined by including together all monitoring results of both chlorine and chloramines. Reports submitted pursuant to 567—paragraph 40.8(3)…

43.1(1) Emergency actions regarding water supplies. When, in the opinion of the director, an actual or imminent hazard exists, a water supplier shall comply with the directives or orders of the director necessary to eliminate or minimize that hazard. a. Water hauling on an emerge…

serving fewer than 10,000 people. 43.10(1) General requirements. a. Applicability. This rule constitutes national primary drinking water regulations, and it establishes requirements for filtration and disinfection in addition to the filtration and disinfection requirements in 567…

43.11(1) Applicability. The requirements of this rule are national primary drinking water regulations and establish or extend TT requirements in lieu of MCLs for Cryptosporidium. These requirements are in addition to the filtration and disinfection requirements of rules 567—43.5(…

this chapter. To encourage operational optimization, the department has adopted the following goals for systems using SW or IGW that wish to pursue the optimization of their existing treatment processes. These goals are voluntary. Data collected for optimization purposes will not…

43.2(1) Fees. a. Annual fee. A fee for the operation of a PWS shall be paid annually. The fee will not be prorated and is nonrefundable. The fee shall be based on the population served. The fee shall be the greater of $25 per year or $0.14 multiplied by the total population serve…

43.3(1) PWS standards. a. Any PWS that does not meet the drinking water standards in 567—Chapters 41 and 43 shall make alterations necessary to comply with the drinking water standards in accordance with the construction standards contained in this rule unless the PWS has been gr…

installation or modification of any project, the construction permit holder shall submit a certification by a licensed professional engineer that the project was completed in accordance with the approved plans and specifications, except if the project received a waiver pursuant t…