Iowa Administrative Code

21.15(1) Operation and maintenance. The utility shall maintain and operate any sewage treatment facility with adequate capacity and equipment to convey all sewage to the plant and to treat the sewage to the quality required by all applicable laws and regulations. 21.15(2) Design …

21.16(1) Notification. A sanitary sewage utility shall notify the commission about any incident involving: a. An unlawful or uncontained release of sewage into the environment; b. A flood event affecting the utility’s plant or collection system; c. A cyberattack affecting the wel…

acquiring the whole or any substantial part of a sanitary sewage system with a purchase price of $3 million or more from a non-rate-regulated entity described in Iowa Code section 476.1(3) will maintain separate books and records for the acquired system until the utility’s next g…

21.18(1) Design and maintenance. Systems for storm water drainage by piped collection shall be designed and maintained in conformance with good engineering practices. Such systems will be designed and maintained so as to minimize flooding and ponding outside of areas designed to …

21.19(1) Customer information. a. Each utility shall: (1) Post a notice in a conspicuous place in each office of the utility where applications for service are received, informing the public that copies of the rates and rules relating to the service of the utility are available f…

21.2(1) Tariffs. The utility shall maintain its tariff filing in a current status. The rates and rules of all utilities subject to the rules in this chapter shall be filed with the commission in accordance with these rules. a. Form and identification. (1) The tariff shall conform…

21.20(1) Notification. A utility shall notify the commission about any incident involving: a. A non-storm water discharge from the storm water drainage system; b. A flood event affecting the storm water drainage system; c. A cyberattack affecting the well-being of the utility, it…

the whole or any substantial part of a storm water drainage system with a purchase price of $3 million or more from a non-rate-regulated entity described in Iowa Code section 476.1(3) will maintain separate books and records for the acquired system until the utility’s next genera…

21.3(1) Water service. a. Metered measurement of water. All water sold by a utility shall be on the basis of metered measurement except that the utility may at its option provide flat rate or estimated service for the following: (1) Temporary service where the water use can be re…

21.4(1) Customer information. a. Each utility shall: (1) Post a notice in a conspicuous place in each office of the utility where applications for service are received, informing the public that copies of the rates and rules relating to the service of the utility are available fo…

so long as the standards do not mandate a particular supplier. All connections to the utility-owned equipment or facilities are to be made by the utility at the applicant’s expense. At the time of attachment to the utility-owned equipment or facilities, the applicant will transfe…

21.6(1) Periodic and routine tests. Each utility shall adopt schedules approved by the commission for periodic and routine tests and repair of the utility’s meters. 21.6(2) Meter test facilities and equipment. Each utility furnishing metered service will provide the necessary sta…

21.7(1) Water pressures. Under normal conditions of water usage, the pressure at a customer’s service line will be no less than 35 pounds per square inch gauge (PSIG) and no more than 125 PSIG. At regular intervals, a utility shall make a survey of pressures in its water system. …

21.8(1) Definition. For purposes of this rule, “water costs for fire protection service” means all or a part of the utility’s costs of fire hydrants and other improvements, maintenance, and operations for the purpose of providing adequate water production, storage, and distributi…

21.9(1) Notification. A water utility shall notify the commission about any incident involving: a. The occurrence of a waterborne illness; b. The issuance of a boil water advisory; c. A contamination event; d. A low-pressure event (less than 20 psi) that negatively affects the qu…

22.1(1) Application and purpose of rules. These rules shall apply to any telecommunications service provider operating within the state of Iowa subject to Iowa Code chapter 476. These rules are intended to govern the exercise of the commission’s powers and duties relating to the …

22.2(1) Tariffs to be filed with the commission. Telecommunications service providers that are required to file tariffs with the commission shall maintain tariffs in a current status. The tariffs shall be classified, designated, arranged, and submitted so as to conform to the req…

shall be processed pursuant to the commission’s rules in 199—Chapter 6. Unless a customer agrees to an alternative form of notice, local exchange carriers shall notify customers by bill insert or notice on the bill form of the address and telephone number where a telecommunicatio…

22.4(1) Application of intrastate access charges. a. Intrastate access charges shall apply to all intrastate access services rendered to interexchange carriers. Intrastate access charges shall not apply to extended area service (EAS) traffic. In the case of resale of services of …

22.5(1) Interexchange service. An interexchange carrier may provide interexchange service by complying with the laws of this state and the rules of this commission. Any company or other entity accessing local exchange facilities or services in order to provide interexchange servi…

22.6(1) Tariffs. AOS companies must provide service pursuant to commission-approved tariffs covering both rates and service. 22.6(2) Blocking. AOS companies shall not block the completion of calls that would allow the caller to reach a long-distance telecommunications service pro…

22.7(1) Map availability. Local exchanges are defined by the telephone exchange area boundary maps on file with the commission and available on the commission’s website. 22.7(2) Map specifications. All ILECs shall have on file with the commission maps that identify their exchange…

service provider required to register with the commission pursuant to Iowa Code section 476.95A shall register with the commission annually thereafter. Registration shall be completed electronically as provided by the commission. If a telecommunications service provider is not re…

22.9(1) Definitions. As used in this rule, unless the context otherwise requires: “Change in service” means the same as defined in Iowa Code section 476.103(2)“a.” “Consumer” means a person other than a service provider who uses a telecommunications service. “Cramming” means the …

23.1(1) Every public utility shall keep and render its books, accounts, papers, and records accurately and faithfully in the manner and form prescribed by the commission and comply with all directions of the commission relating to such books, accounts, papers, and records. 23.1(2…

23.2(1) Forms. The following annual report forms shall be filed by the following utilities: a. Investor-owned, rate-regulated electric utilities file Form IE-1 with a copy of that utility’s Federal Energy Regulatory Commission (FERC) Annual Report Form No. 1 or 1A as applicable. …

utilities commission pursuant to authority granted to the commission in Iowa Code chapter 476A, relating to the location and construction of electric power generating facilities. The purpose of these regulations is to provide guidelines for proceedings for the determination wheth…

24.10(1) Issuance of decision. Upon the close of the record in the proceeding, the commission shall expeditiously render a written decision with complete determinations as to the facility siting criteria or portion thereof under consideration, other necessary findings of fact or …

24.11(1) In the event no certificate has been issued after 90 days from the commencement of the hearing, the commission may permit the applicant to begin work to prepare the site for construction of the facility. Any activities conducted pursuant to this rule shall have no probat…

24.12(1) General. The certificate shall authorize construction, maintenance, and operation of the facility on the site designated in the certificate according to the following: a. The terms and conditions imposed by the commission and stated in the certificate. b. The terms and c…

certificate: Contents. 24.13(1) Application for amendment. a. Each person or group of persons proposing a significant alteration to any facility that was constructed pursuant to a certificate issued by the commission shall file an application for an amendment to a certificate in …

24.14(1) The commission, if it determines that the public interest would not be adversely affected, may waive any of the requirements of this chapter. 24.14(2) In addition to any other service requirements, an applicant requesting a waiver must serve a copy of the waiver on all o…

“Acid Rain Program” means the sulfur dioxide and nitrogen oxides air pollution control program established pursuant to Title IV of the Clean Air Act, 42 U.S.C. Section 7401, et seq., as amended by Pub. L. 101-549, November 15, 1990. “Act” means Iowa Code chapter 476A. “Agency” me…

24.3(1) Form of application. The information required by these rules to be included with an application shall be indexed and arranged in a sequential manner substantially similar to the outline form of the rules, with all material submitted categorized into the specific areas and…

construct a facility or a significant alteration to a facility shall file an application for certificate with the commission unless otherwise provided by these rules. The applicant may file a partial application in conjunction with a request under rule 199—24.9(476A). An applicat…

24.5(1) Upon the filing of the application or a portion of the application, the commission and the appropriate regulatory agencies shall determine whether the application is in substantial compliance with the requirements of rule 199—24.4(476A). If any significant deficiencies ar…

24.6(1) Upon acceptance of the application, the commission shall establish a schedule for the certification proceeding which includes: a. A hearing to be commenced in accordance with rule 199—24.8(476A), no earlier than 90 days nor later than 150 days from the date of acceptance,…

24.7(1) Place of meeting. Not less than 30 days prior to the filing of an application, the applicant shall hold an informational meeting in the county of the proposed site for the facility. In the event the proposed site is in more than one county, such meeting shall be in that c…

24.8(1) General. The proceedings conducted by the commission pursuant to this chapter shall be treated in the same manner as a contested case pursuant to the provisions of Iowa Code chapter 17A. Except where contrary to express provisions below, the hearing procedure shall confor…

24.9(1) By motion. The commission, upon its own motion or on the motion of the applicant, may order separate phases on particular issues of the proceeding. Each phase shall be addressed to issues involved in applying one or more of the facility siting criteria set forth in subrul…

c. Commission discretion. The commission may, in its discretion, grant or deny such petition in accordance with rule 199—7.13(17A,476). 24.8(3) Appearance. If any regulatory agency fails to appear of record in the contested case proceeding conducted by the commission, the commiss…

25.1(1) Authority. The standards relating to electric and communication facilities in this chapter are prescribed by the Iowa utilities commission pursuant to Iowa Code sections 476.1, 476.1B, 476.2, 476A.12, 478.19, and 478.20. 25.1(2) Purpose. The purpose of this chapter is to …

the installation and maintenance of electric substations, generating stations, and overhead and underground electric supply or communications lines adopted below, collectively constitute the “Iowa Electrical Safety Code.” 25.2(1) National Electrical Safety Code. The American Nati…

25.3(1) Filing of plan. Each electric utility shall adopt and file with the commission a written plan for inspecting and maintaining its electric supply lines and substations (excluding generating stations) in order to determine the necessity for replacement, maintenance, and rep…

procedures. 25.4(1) Corrective action shall be taken within a reasonable period of time on all potentially hazardous conditions, instances of safety code noncompliance, maintenance needs, potential threats to safety and reliability, or other concerns identified during inspections…

subject to the safety jurisdiction of the commission under this chapter. 25.5(1) All owners and operators of electrical facilities subject to the safety jurisdiction of the commission shall provide the commission with a 24-hour contact number where the commission can obtain immed…

26.1(1) This chapter contains utilities commission procedural rules and filing requirements for utility rate cases, other rate tariff filings, and rate regulation election of electric cooperatives. The general contested case procedural rules in 199—Chapter 7 apply to these types …

application for a general rate increase using a historic test year until after the commission issues a final order in the future test year subsequent proceeding. [ARC 9090C, IAB 4/2/25, effective 5/7/25]

utility subject to rate regulation that serves fewer than 10,000 customers. A small utility that has had a rate case before the commission within the past 10 years is eligible to file an application for a rate increase under this rule no more frequently than once every 24 months.…

increase applications. At the time a utility, other than a rural electric cooperative that has elected to be rate regulated by the commission, files for new or changed rates, charges, schedules, or regulations, except in conjunction with general rate increase applications, the ut…