Skip to main content

Social toolbar

Follow us on Twitter
Watch videos on YouTube
View photos on Flickr
Connect with us on LinkedIn
Email us
View Instagram

Utility Bar

Online Services and GIS
Find an Agency
Governor Kehoe
MO.gov

Search

Google Translate

Air
Megamenu Main Nav

Browse Air

How’s the Air

Data and e-Services

Gateway Vehicle Inspection

Business and Industry

Financial Assistance Opportunities

What We’re Doing

Get Involved

Volkswagen Trust Funds

Vehicle/ engine replacement program to reduce nitrogen dioxide emissions

Need a Permit?

Learn more about Missouri’s air permits and how to apply

Gateway Vehicle Inspection Program

Emissions inspection testing in the St. Louis region

Asbestos

Demolition, renovation, abatement projects and notifications

Popular Services
Find a GVIP Testing Location
Open Burning
Current Air Quality
Air Emissions & Reporting
Disaster Resources
Commissions, Boards, Councils
Forums and Stakeholder Groups
Public Notices
Report an Environmental Concern
Waste and Recycling
Megamenu Main Nav

Browse Waste and Recycling

Sites and Regulated Facilities

Investigations and Cleanups

Long-Term Stewardship (LTS)

Data and e-Services

Business and Industry

Reduce, Reuse and Recycle

Financial Assistance Opportunities

What We’re Doing

Get Involved

E-Start: Hazardous Waste Map

Search our interactive map of hazardous waste facilities, site investigations and cleanups

Need a Permit, License or Registration?

Learn more about Missouri’s hazardous and solid waste permits and how to apply

Solid Waste Management Map

Search our interactive map of scrap tire processing facilities and solid waste landfills and processing facilities

What To Do With Specific Waste

Learn how or where to get rid of specific waste

Popular Services
Environmental Emergency Response
Hazardous and Infectious Waste Transporters
Shipping Radioactive Materials
Household Hazardous Waste Collection Facilities
Solid Waste Management Districts
Disaster Resources
Commissions, Boards, Councils
Forums and Stakeholder Groups
Public Notices
Report an Environmental Concern
Water
Megamenu Main Nav

Browse Water

How’s the Water

Alerts or Water Hazards

Data and e-Services

Business, Industry and Other Entities

Soil and Water Conservation

Financial Assistance Opportunities

What We’re Doing

Get Involved

Operator Certification

Training and information for drinking water and wastewater system operators

Need a Permit or Certification?

Learn more about Missouri’s water permits and how to apply

The Water We Drink

Learn more about the quality of Missouri’s drinking water

Water Monitoring and Data

Learn more about the health of Missouri’s groundwater, rivers, lakes and streams

Popular Services
Beach Status
Boil Orders and Advisories
Harmful Algal Blooms
Reporting
Wells and Drilling
Disaster Resources
Commissions, Boards, Councils
Forums and Stakeholder Groups
Public Notices
Report an Environmental Concern
Land and Geology
Megamenu Main Nav

Browse Land and Geology

Geology

Maps, Data and Research

Geologic Hazards

Dams and Reservoirs

Mining and Land Reclamation

Soil and Water Conservation

Businesses, Landowners and Permittees

Financial Assistance Opportunities

What We’re Doing

Get Involved

Soil and Water Cost-Share Practices
Install conservation practices to conserve soil and improve water quality
Need a Permit?
Learn more about Missouri’s land and geology permits and how to apply

GeoSTRAT
Explore our interactive tool for locating springs, mines, sinkholes and more
MGS ArcGIS Hub
Find interactive maps, GIS spatial data and geographic content provided by the Missouri Geological Survey

Popular Services
Soil and Water Conservation Districts
Wells and Drilling
Ask a Geologist
Ed Clark Museum of Geology
Missouri Geology Bibliography
Disaster Resources
Commissions, Boards, Councils
Forums and Stakeholder Groups
Public Notices
Report an Environmental Concern
Energy
Megamenu Main Nav

Browse Energy

Energy Resources

Energy Information

Energy Efficiency

Business and Industry

Residential and Community

Transportation

Weatherization

Financial Assistance Opportunities

What We’re Doing

Get Involved

Weatherization

Energy-efficient improvements for Missouri’s low income households

Missouri Home Energy Certification

How you can benefit from Home Energy Certification

Home Energy Efficiency

How you can make your home more energy efficient and save money

Energy Financial Assistance Opportunities

Learn more about our various low-interest loans, grants and reimbursement programs for energy efficiency projects

Popular Services
State Energy Plan
Solar Energy
Local Weatherization Agencies
Green Building Registry^®
Carpool and Rideshare
Disaster Resources
Commissions, Boards, Councils
Forums and Stakeholder Groups
Public Notices
State Parks
Megamenu Main Nav

Browse Missouri State Parks

Historic Preservation Office

State Park Rangers

Things to Do

Upcoming Events

Beach Status

Natural Areas

Wild Areas

Financial Assistance Opportunities

Get Involved

Find Your Park

Searching for a Missouri state park or historic site has never been easier

Online Store

Gift cards, apparel - bring a piece of MoStateParks into your everyday life

Make a Reservation
Cabins, lodge, campgrounds or yurts, let’s get your adventure started
Upcoming Events
We host hundreds of special events throughout the year - find an event near you

Popular Services
Campers: Check In
Park/ Site Status
Blue Star Museums Program
'Learn 2' Programs
Passport Program
Support Your State Parks
Parks, Soils & Water Sales Tax
Agency/ General
Megamenu Main Nav

Browse Agency/ General

About Us

Commissions, Boards, Councils

Communications

Compliance Assistance & Enforcement

Fees

Forms and Applications

Get Involved

Laws, Rules and Regulations

Monitoring

Publications and Fact Sheets

Reporting

Success Stories

What We're Doing

Permits, Certifications, Registrations and Licenses
Learn more about Missouri's environmental permits and how to apply
Financial Assistance Opportunities
Learn more about our grants and low interest loans

Public Notices/ Public Comments

Search permits, rules and actions on public notice and provide your input

Forum or Stakeholder Groups

Discuss specific environmental issues with department staff through forums, workgroups, committees and advisory groups

Popular Services
Calendar
Careers
Contaminant Spotlight
Data and e-Services
Disaster Resources
Document Search
Get Email Updates
Missouri DNR Photo Contest
Missouri Resources
Professional Certifications and Training
Open Records/ Sunshine Law Requests
Report an Environmental Concern
Sites of Interest
Video Broadcasts

DROUGHT ALERT - Conditions have worsened, with 84% of the state experiencing abnormally dry or drier conditions.

Clarification on New Madrid SO2 Nonattainment Area Contingency Plan

File

Document Information

Areas of Focus

Air » Pollutants and Sources

Document Type

Letters

Last revised

12/11/2025

Keywords

sulfur dioxide

MoDNR

About Us
Careers
Communications
Commissions, Boards, Councils
Contact Us
Forums and Stakeholder Groups

DO BUSINESS

Compliance Assistance
Certifications and Trainings
Financial Assistance Opportunities
Laws, Rules and Regulations
Permits, Registrations and Licenses
Reporting

GET LOCAL INFORMATION

Air Quality
Beach Status - State Parks
Boil Water Orders
Drinking Water Viewer
State Park and Historic Sites Status

GET INFORMED

Calendar
Public Notices/ Public Comment Periods
Document Search
Data and e-Services
Get Email Updates
Open Records/ Sunshine Law Requests

TAKE ACTION

Comment on Proposed Rules
Report an Environmental Concern/ Submit a Question
Report Website Issues/ Suggest Improvements
Request an Audit/ Report an Audit Concern
Submit Public Comments

Governor
Mike Kehoe

MO.gov State of Missouri

Click here to Save a Life

Director
Kurt U. Schaefer

Footer menu

Accessibility
ADA and Non-discrimination
Data Policy
Privacy Policy

The Missouri Department of Natural Resources does not endorse, make claims or promises, or provide warranties of accuracy, of any websites or related materials provided outside of this website. The department bears no responsibility for any damages arising from using these websites or related materials.

Please Read this Disclaimer Carefully Before Using the Service

The Missouri Department of Natural Resources' (the "Department") website can be translated into many different languages using Google™ Translate, a third-party service that provides automated computer translations of webpages. The Google™ Translate Service is offered as a convenience and is subject to applicable Google Terms of Service. Providing the service as a convenience is not an endorsement of the product or the results generated, and nothing herein should be construed as such an approval or endorsement.

The content of the Department's website originates in English. If there are differences between the English content and its translation, the English content is always the most accurate. By selecting a language from the Google Translate menu, the user accepts the legal implications of any misinterpretations or differences in the translation.

As Google's translation is an automated service it may display interpretations that are an approximation of the website's original content. You should not rely on Google™ Translate to provide an exact translation of the website. There are circumstances where the service does not translate correctly or where translations may not be possible, such as with certain file types (PDF, text and MS Excel documents), video content, and images containing text. In addition, some applications or services may not work as expected when translated.

The Department has no control over the nature, content, and availability of the service, and accordingly, cannot guarantee the accuracy, reliability, or timeliness of the translation. Neither the Department nor its employees accept liability for any inaccuracies or errors in the translation or liability for any loss, damage, or other problem, including without limitation, indirect or consequential loss or damage arising from or in connection with using the Google™ Translate Service.

For assistance, please contact the Department of Natural Resources at 573-751-3443 or by email at dnrwebcontact@dnr.mo.gov. If you are having accessibility or usability issues with our website, please fill out an Accessibility Issue form.

Department of Natural Resources

Address:
1101 Riverside Drive
PO Box 176
Jefferson City, MO 65102-0176
United States
Telephone: 573-751-3443
Toll-free: 800-361-4827
Email: dnrwebcontact@dnr.mo.gov