The Royal Commission for Jubail and Yanbu has issued RCER-2025, the most significant update to its environmental regulations in over a decade. For more than 600 industrial tenants in Jubail, Yanbu, Ras Al-Khair, and Jazan, the changes mean tighter ambient air thresholds, lower stack emission limits, stricter effluent rules, and enhanced reporting via the eRCER portal.
Why RCER-2025 Matters
RCER-2025 aligns Royal Commission limits with the NCEC national framework and the World Bank Group EHS guidelines. It is the regulatory backbone of the Vision 2030 industrial decarbonization plan.
Penalties for non-compliance now reach SAR 5 million per incident plus license suspension.
Key Changes at a Glance
Ambient Air Quality
- PM2.5 annual mean: 35 → 15 µg/m³
- NO₂ 1-hour limit: 400 → 200 µg/m³
- SO₂ 24-hour limit: 365 → 150 µg/m³
Stack Emissions
- NOx for combustion turbines: 25 ppm at 15% O₂
- PM for cement kilns: 30 mg/Nm³
- Mandatory CEMS for combustion sources >20 MWth
Wastewater
- Tightened TDS, COD, oil and grease, heavy-metal limits
- Zero Liquid Discharge (ZLD) required for new petrochemical and dyeing facilities
Sectors Most Affected
- Petrochemicals and refining — VOC, BTEX, flare gas recovery
- Cement and clinker — PM, NOx, mercury
- Power and desalination — NOx, SOx, brine discharge
- Steel and aluminum — fugitive dust, fluoride
- Fertilizer and chemicals — ammonia, urea dust
Compliance Timeline
- January 2025 — new ambient air targets in force
- July 2025 — new stack limits for new facilities
- January 2026 — existing facilities must meet new stack limits
- July 2026 — ZLD enforcement
- January 2027 — full eRCER digital reporting integration
Practical Steps Toward Compliance
- Run a gap assessment against the new RCER-2025 limits.
- Upgrade or recalibrate CEMS to QAL2 standard.
- Engineer abatement upgrades — SCR, low-NOx burners, bag filters, vapour recovery.
- Refresh the EMP with quantitative targets.
- Train EHS teams on eRCER reporting.
- Prepare for unannounced inspections.
How OzoneCo Helps Industrial Tenants Meet RCER-2025
OzoneCo supports more than 80 industrial tenants in Jubail, Yanbu, Ras Al-Khair, and Jazan. We are accredited by the Royal Commission for stack testing, ambient air monitoring, and effluent analysis:
- RCER-2025 gap assessment with prioritized capex plan
- Stack testing and CEMS QAL2/QAL3
- Ambient air monitoring stations with eRCER telemetry
- LDAR programmes for VOC fugitives
- Wastewater audits and ZLD design
- eRCER reporting as outsourced service
- EHS training in Arabic and English
Talk to OzoneCo's licensed consultants for a confidential gap assessment and a clear, costed compliance roadmap.
