Aboveground storage tanks like these now fall under North Dakota’s new 2025 DEQ regulations. Monthly inspections, leak detection, and annual registration are required.

North Dakota’s New AST Rules Are Here – Act Fast to Stay Compliant!

Bismarck, ND – November 4, 2025

Big changes are hitting aboveground storage tanks (ASTs) in North Dakota. The Department of Environmental Quality (DEQ) has adopted N.D. Admin. Code Chapter 33.1-13-01, effective October 1, 2025, under House Bill 1058 (2025). If you own or operate tanks holding gasoline, diesel, kerosene, or heating oil, compliance starts now—with key deadlines in early 2026.

Don’t risk fines or lost cleanup reimbursements. Here’s what you need to know (based on adopted rules).

5 Must-Know Requirements

1. Register Every Tank – Annual PTRCF registration is mandatory. Fees: $150 base + risk multipliers (up to $300/tank). Register before any spill to qualify for up to $1M in cleanup coverage. Register Now
2. New Tanks – Must have secondary containment + double-walled underground piping. Rule Details (DEQ Notice)
3. Existing Tanks – Within 180 days: Implement one leak-detection method (SIR, auto-gauging, or manual for ≤2,000-gal tanks). Underground piping needs initial tightness test + solenoid valves by Jan 1, 2030. Full Text (DEQ Notice)
4. Monthly Checks – Inspect tanks, piping, & containment. Keep records 3 years. Section 33.1-13-01-07 (DEQ Notice)
5. 24-Hour Spill Reporting – Any suspected release (>25 gal, sheen, health threat) = call DEQ immediately. Spill Report Form

Need Expert Help?

HOBBS Incorporated has you covered—from registration to retrofits.

📞 Call (701) 663-6363 or Contact Form

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Get compliant. Stay protected. Contact HOBBS Incorporated today.

Sources: ND DEQ, N.D. Admin. Code Chapter 33.1-13-01 (adopted Oct 1, 2025), HB 1058. Consult DEQ for official updates: deq.nd.gov/EHSRulesRegs.aspx. Request a copy deqptrcf@nd.gov

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