Missouri Code of State Regulations Title 10 - DEPARTMENT OF NATURAL RESOURCES
Here’s an overview of Title 10 – Department of Natural Resources of the Missouri Code of State Regulations (CSR):
📘 Title 10 — Department of Natural Resources
Title 10 is structured into multiple Divisions, each overseen by a specific commission, office, or program. The main divisions include: (sos.mo.gov, regulations.justia.com)
Division
Topic
1
Director’s Office
10
Air Conservation Commission
20
Clean Water Commission
22
Dam & Reservoir Safety Council
23
Well Installation
24
Hazardous Substance Emergency Response
25
Hazardous Waste Management Commission
26
Petroleum & Hazardous Substance Storage Tanks
30
Land Survey
40
Missouri Mining Commission
45
Metallic Minerals Waste Management
50
Oil & Gas Council
60
Safe Drinking Water Commission
70
Soil & Water Districts Commission
80
Solid Waste Management
90
State Parks
100
Petroleum Storage Tank Insurance Fund Board
130
Environmental Improvement & Energy Resources Authority
– Divisions may include further subdivisions (Chapters and Sections), e.g., 10 CSR 10‑6 covers “Air Quality Standards, Definitions, Sampling and Control Methods” (law.cornell.edu, regulations.justia.com, regulations.justia.com, dnr.mo.gov).
Example: Division Highlights
Division 1, Section 1.010 outlines the Department’s organization, including its Director and internal Divisions (Environmental Quality, Geological Survey, State Parks, etc.) (law.cornell.edu).
Division 10, Chapter 6 (10 CSR 10‑6) sets air quality standards, emission monitoring, visible emissions limits in metro areas (e.g. 20% opacity in St. Louis/KC), and pollutant-specific rules (e.g., SO₂, NOₓ, particulate matter) (law.cornell.edu).
Division 20, e.g., 10 CSR 20‑7, governs water quality, including pollutant discharge limits under the Clean Water Act (sos.mo.gov).
Division 25, the Hazardous Waste Management Commission, includes chapters on identification, generation, transport, and handling of hazardous waste, public participation, used oil, fees, and voluntary cleanup programs (regulations.justia.com).
🔎 Accessing Specific Rules
To view a specific section, you'd go to the Missouri Secretary of State’s ADRules website, select Title 10, then navigate via Division → Chapter → Section. The latest compiled version is current as of June 30, 2025, published monthly (sos.mo.gov).
You can also explore via Justia or Cornell’s LII, which provide searchable text of divisions and chapters (regulations.justia.com).
✅ Summary
Title 10 covers Missouri DNR regulatory authority over air, water, waste, parks, energy, and more.
It is broken into logically organized Divisions, each addressing a major environmental domain.
The CSR is updated monthly; June 2025 is the latest.
Official online platforms (CSR / Justia / LII) offer full-text access to all rules.
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