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Iowa's natural resources plates include the state bird and flower, pheasant, eagle, buck and a Brook trout. Support conservation in Iowa by buying a natural resource plate for your vehicle.
Natural Resource Plates
Experience Iowa's natural beauty and all the fun our state parks offer. Make your online reservation for state park cabins, camping sites, shelters and lodges.
Support conservation in Iowa by buying a natural resource plate for your vehicle.
Natural Resource Plates
Iowa DNR Customer Service
Mon - Fri, 8:00am - 4:30pm CST
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Several online resources are available for wastewater treatment plant operators:
Discharge Monitoring Report FormsInstructions to obtain permit-specific electronic DMRs from Iowa DNR Field Office Staff, and Instructions for Filing an eDMR. DMRs are also known as Monthly Operation Reports or MORs. All DMRs must be submitted electronically (emailed) to the Iowa DNR Field Offices.
NPDES Application FormsPaper permit application forms and instructions for individual municipal, industrial, and semipublic NPDES permits.
Bypass Report FormWithin five days of a bypass, a written report describing the bypass must be submitted to the appropriate DNR Field Office. This form can used as the written report.
Treatment AgreementsInformation on significant industrial users, treatment agreement requirements, and forms.
Individual NPDES Permit Amendment Online Request FormRequest a permit amendment using a google form. Additional supporting documentation and the amendment fee can be submitted after the Request Form is completed.
Temporary and Limited Degradation Online Request Form Submit a request for Temporary and Limited Degradation using a google form. Additional supporting documentation can be submitted after the form is completed.
Antidegradation AnalysisInformation on antidegradation and how to conduct an antidegradation analysis.
Bacteria SamplingInformation on how to sample treated effluent for bacteria, how to calculate a geometric mean, and a geometric mean calculator.
Chloride Fact SheetInformation on Iowa's chloride water quality standards.
Chloride Limits ToolboxGuidance and options for meeting chloride limits.
40 CFR Part 136Link to a pdf version of Table II, Required Containers, Preservation Techniques, and Holding Times, from 40 CFR Part 136.
Certified Laboratories Facility SearchFind a certified laboratory in Iowa using the search function on the State Hygienic Laboratory website.
DNR Water/Wastewater Operator CertificationInformation on wastewater operator certification, including the operator certification database and training calendar.
WWPIE Online Permit SystemView current individual permits, draft permits, and draft amendments; sign up for permit issuance notifications; or find out which permit writer is working on the reissuance of a certain individual permit.
Clean Water State Revolving FundInformation on Clean Water State Revolving Fund (CWSRF) loans.
Rural Community SewersDisadvantaged community qualification information and forms, and information on rural communities and funding options for these communities.
Wastewater ListservSign up to receive updates on stakeholder meetings, wastewater rulemaking, general permit reissuances, Clean Water State Revolving Fund intended use plan revisions and meetings, operator trainings, and other news regarding the Iowa DNR's wastewater program.
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NPDES Email AddressesThe NPDES Section accepts mail electronically at the following email address: firstname.lastname@example.org.Please submit all mail other than permit applications and fees to this email address.
Send all permit applications and other application materials to:email@example.com.