Iowa Administrative Code

including determining compliance with effluent limits for operation permits issued under 567—Chapter 64. The department also uses water quality monitoring data to determine the relative health of a water body by comparing monitoring data to the appropriate water quality standards…

department must have been produced in accordance with a department-approved volunteer water quality monitoring plan before the data may be used for any of the purposes listed in Iowa Code section 455B.194. Approval of a plan will establish qualified volunteer status for the perso…

monitoring plan will be considered credible data for the purposes listed in Iowa Code section 455B.194 if the following conditions are met. 61.12(1) Data submittal. A qualified volunteer monitor or qualified volunteer monitoring group must specifically request that data produced …

field audits of a statistically valid and representative sample of volunteer data collection and analysis procedures to ensure compliance with an approved plan and may conduct confirmatory monitoring tests. Volunteers shall be informed of any audit results and be provided with an…

61.2(1) Policy statement. It shall be the policy of the commission to protect and enhance the quality of all the waters of the state. In the furtherance of this policy it will attempt to prevent and abate the pollution of all waters to the fullest extent possible consistent with …

61.3(1) Surface water classification. All waters of the state are classified for protection of beneficial uses. These classified waters include general use segments and designated use segments. a. General use segments. These are intermittent watercourses and those watercourses wh…

VOLUNTEER MONITORING DATA REQUIREMENTS

62.1(1) The discharge of any pollutant from a point source into a navigable water is prohibited unless authorized by an NPDES permit or by a permit issued pursuant to Section 404 of the CWA and certified pursuant to 567—subrule 61.2(6). 62.1(2) The prohibitions in 40 CFR §122.4 a…

sewage DSs. 62.2(1) General. This subrule describes the minimum level of effluent quality attainable by secondary treatment in terms of CBOD5; suspended solids (SS), the pollutant parameter total suspended solids; and pH. The pollutant measurement CBOD5 is used in lieu of the pol…

62.3(1) Federal effluent and pretreatment standards. The following are adopted by reference: 40 CFR Part 125, Subparts H, I, and J, and 40 CFR Parts 401 through 471. 62.3(2) Federal toxic pollutant effluent standards. 40 CFR Part 129 is adopted by reference. 62.3(3) Effluent limi…

or pretreatment standards. 62.4(1) Effluent limitations necessary to meet water quality standards (WQSs). No effluent, alone or in combination with the effluent of other sources, shall cause a violation of any applicable WQS. When it is found that a discharge that would comply wi…

62.5(1) Manner of reuse. Treated final effluent may be reused in a manner noted in this rule or as specified in an NPDES permit. 62.5(2) Reuse for golf course irrigation. Treated final effluent may be reused for golf course irrigation if one of the conditions described in 62.5(2)…

procedures prescribed in this chapter shall be used to perform the measurements indicated in an application for an operation permit submitted to the department, a report required to be submitted by the terms of an operation permit, and a certification issued by the department pur…

to monitoring well sampling. 63.10(1) Measure depth from top of well head casing to water table. 63.10(2) Calculate quantity of water to be flushed from well using the formula: Gallons to be pumped = 0.221 d(squared)h, where: d = well diameter in inches h = depth in feet of stand…

resulting from any monitoring activities required in an operation permit and from any operational performance monitoring. 63.2(1) Samples and measurements taken for the purpose of monitoring shall be representative of the monitored activity, in accordance with 40 CFR §122.41(j)(1…

63.3(1) Organic waste dischargers. The minimum self-monitoring requirements to be incorporated in operation permits for facilities discharging organic wastes shall be the appropriate requirements in Tables I and II of this chapter. Additional monitoring may be specified in operat…

63.4(1) WET testing. a. All major municipal and industrial dischargers shall conduct WET testing. Additional toxicity monitoring may be specified in operation permits for major or minor facilities in accordance with 63.3(5). b. All dischargers required to conduct WET tests shall …

63.5(1) The following self-monitoring requirements may be imposed on an animal feeding operation in any operation permit issued for such an operation. a. Measurement of liquid level in a waste storage facility on a periodic basis. b. Measurement of daily precipitation, as appropr…

63.6(1) Prohibition. Bypasses from any portion of a treatment facility or from a sanitary sewer collection system designed to carry only sewage are prohibited. The department may not assess a penalty against a permittee for a bypass if the permittee has complied with all of the f…

63.7(1) Electronic reporting. a. Except as provided in this rule and 63.3(4) and 63.5(2), operation records required by NPDES permits shall be submitted electronically to the department within 15 days following the close of the reporting period specified in 63.7(5) and in accorda…

63.8(1) Content. Operation records shall include the results of all monitoring specified in or authorized by this chapter or incorporated in the operation permit. The results of any additional monitoring for parameters included in the operation permit performed at the compliance …

63.9(1) Twenty-four-hour reporting. Pursuant to 40 CFR §122.41(l)(6), all permittees shall report any permit noncompliance that may endanger human health or the environment. Information shall be provided orally to the appropriate FO within 24 hours from the time the permittee bec…

definitions in Iowa Code sections 455B.101, 455B.171, 459.102, 459A.102, and 459B.102 and in 567—Chapter 60, the following definitions shall apply to this chapter: 65.1(1) Definitions. “Abandoned AFO structure” means the AFO structure has been razed, removed from the site of an A…

DIVISION II CONFINEMENT FEEDING OPERATIONS AND DRY BEDDED CONFINEMENT FEEDING OPERATIONS

shall be constructed, managed and maintained to meet the minimum manure control requirements stated in subrules 65.100(1) to 65.100(6). A release shall be reported to the department as provided in subrule 65.2(1). Dry manure stockpiling requirements are stated in subrule 65.100(7…

feeding operation. 65.101(1) General requirements for application rates and practices for confinement feeding operations. a. For manure originating from an anaerobic lagoon or aerobic structure, application rates and practices shall be used to minimize groundwater or surface wate…

65.102(1) The department may evaluate any AFO to determine if any of the following conditions exist: a. Manure from the operation is being discharged into a water of the state and the operation is not providing the applicable minimum level of manure control as specified in subrul…

required to obtain a construction permit pursuant to subrule 65.103(1) or a construction approval letter pursuant to subrule 65.103(7) shall not begin construction, expansion or modification of a confinement feeding operation structure until the department issues a construction p…

expansion or modification of a confinement feeding operation structure, a person shall obtain from the department a construction permit pursuant to subrule 65.103(1), a construction approval letter pursuant to subrule 65.103(7) or approval of a secondary containment barrier desig…

complaint investigations. 65.105(1) Delivery of application to county. The applicant for a construction permit for a confinement feeding operation or related AFO structure shall deliver in person or by certified mail a copy of the permit application and MMP to the county board of…

requirements. All confinement feeding operation structures, stockpiles and qualified stockpile structures shall be separated from locations and objects as specified in this rule regardless of whether a construction permit is required. The separation distance requirements of this …

distance requirements and prohibition of construction on the one hundred year floodplain. 65.107(1) Exemptions to separation distance requirements from a residence, business, church, school and public use area. As specified in Iowa Code section 459.205, the separation distances r…

rule apply to all confinement feeding operation structures unless specifically stated otherwise. 65.108(1) Drainage tile removal for new construction of a manure storage structure. Prior to constructing a manure storage structure, other than storage of manure in an exclusively dr…

construction permit after March 20, 1996, shall submit to the department a construction certification according to the following: 65.109(1) For a confinement feeding operation that is below the threshold requirements for an engineer prior to using a permitted confinement feeding …

65.110(1) In accordance with Iowa Code section 459.312, the following persons are required to submit MMPs to the department, including an original MMP and an updated MMP, as required by this rule: a. An applicant for a construction permit for a confinement feeding operation. Howe…

research college and related to confinement feeding operations. (2) An AFO otherwise required to submit an updated MMP and pay an annual compliance fee may make an election to be considered a SAFO for purposes of filing updated MMPs and annual compliance fees if the confinement f…

65.112(1) Certification. A commercial manure service or a commercial manure service representative shall not transport, handle, store or apply dry or liquid manure to land unless the person is certified. A confinement site manure applicator shall not apply dry or liquid manure to…

Iowa Code section 459.501 will be administered by the department. Moneys in the fund shall be used for the exclusive purpose of administration of the fund and the cleanup of eligible facilities at confinement feeding operation sites. 65.113(1) Eligible facility site. The site of …

invalid for any reason, the remainder of said rules shall not be affected thereby and shall remain in full force and effect, and to that end, these rules are declared to be severable. [ARC 7965C, IAB 5/15/24, effective 6/19/24]

DIVISION III OPEN FEEDLOT OPERATIONS

567—65.1(455B,459,459A,459B), shall be reported to the department as provided in this subrule. This rule does not apply to land application of manure in compliance with these rules. 65.2(1) Notification. A person storing, handling, transporting, or land-applying manure from an AF…

operation shall provide for the management of manure, process wastewater, settled open feedlot effluent, settleable solids, scraped solids, and open feedlot effluent by using an open feedlot control method as provided in subrules 65.200(1) through 65.200(8). A release shall be re…

65.201(1) The department may evaluate any AFO that is not defined as a large or medium CAFO, and designate it as a CAFO if, after an on-site inspection, it is determined to be a significant contributor of manure or process wastewater to waters of the United States. In making this…

65.202(1) Existing AFOs not holding an NPDES permit. AFOs in existence prior to April 14, 2003, that were defined as CAFOs under rules that were in effect prior to April 14, 2003, but that have not obtained a permit, should have applied for an NPDES permit by April 14, 2003. AFOs…

65.203(1) Open feedlot operations required to obtain a construction permit. An open feedlot operation must obtain a construction permit prior to any of the following: a. Constructing or expanding a settled open feedlot effluent basin or AT system or installing a settled open feed…

a construction permit in accordance with the provisions of subrule 65.203(1) shall apply for a construction permit at least 90 days before the date that construction, installation, or modification is scheduled to start. 65.204(1) Conceptual design. Prior to submitting an applicat…

65.205(1) Unformed settled open feedlot effluent basins. Unformed settled open feedlot effluent basins shall be separated from water wells as follows: a. Public wells. 1,000 feet from shallow wells and 400 feet from deep wells; b. Private wells. 400 feet from both shallow wells a…

requirements. A settled open feedlot effluent basin required to be constructed pursuant to a construction permit issued pursuant to Iowa Code section 459A.205 shall meet the design and construction requirements set forth in this rule. 65.206(1) Drainage tile investigation and rem…

65.207(1) Containment volume. a. Adequate capacity must be provided within the AT system or within the solids settling facility for the open feedlot operation to contain expected open feedlot effluent from November 1 to March 30 or to hold the precipitation event as required by p…