States / Colorado / Aurora

Aurora, CO grease trap requirements

Program run by Aurora Water, Industrial Pretreatment (Rules & Regulations Governing Wastewater Control, Appendix C, City Code Ch. 138). Hand-checked against source Last verified 2026-10-19 by Stew Israil, GreaseTrapRules. Report an error / rule changed

Quick answer

How often to pump: Quarterly; before grease + solids reach 25% of either compartment
Interceptor minimum / sizing: No minimum size stated in the sources we checked. Your local program or plumbing code sets it; estimate with the sizing calculator.
Permit / fees: Commercial wastewater discharge permit application required

From the official source(s) below, last checked 2026-10-19. Rules change; verify with your city.

Am I compliant in Aurora?

Six quick questions, checked against Aurora's sourced rules. Nothing is saved.

Free printable cleaning log & inspection checklist for Aurora

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Rules change; verify with your city. Summaries are plain-English restatements of the official source linked below; “Source says” shows the exact wording. Blank rows mean the sources we checked did not state that rule, not that there is no rule.

Aurora grease trap rules at a glance

Grease trap and FOG (fats, oils and grease) rules for restaurants in Aurora are set by Aurora Water, Industrial Pretreatment (Rules & Regulations Governing Wastewater Control, Appendix C, City Code Ch. 138). Pumping: quarterly; before grease + solids reach 25% of either compartment. A FOG or wastewater permit is required. Pumping must be done by an approved or licensed hauler. Keep pumping records or manifests on site for inspectors.

Of the 3 Colorado programs we track, 3 state a pumping schedule and 2 require a permit. We have not verified a pumping company for Aurora yet; see Colorado pumping companies. Compare all Colorado cities.

Aurora grease trap & interceptor rules, line by line

Required trap / interceptor type	Grease interceptors are required for all food preparation establishments (and schools, nursing homes, etc.). Interceptors are precast concrete with two compartments, located outside within 30 feet when possible. In-line grease traps are allowed only with written approval where an interceptor is impractical. ✓ checked against source
Sizing rule	Plan review sizes interceptors by the UPC meals-per-peak-hour formula, a fixture-unit formula (DFU × 7.5 gpm × 5 minutes), or a school formula. ✓ checked against source
Pumping / cleaning frequency	Grease interceptors must be pumped and cleaned quarterly or more often as needed, and need service when settled solids and FOG exceed twenty-five percent (25%) of either compartment. Partial cleaning is not allowed. ✓ checked against source
Permit required?	Commercial users must file a Commercial Wastewater Discharge Permit application and questionnaire before connecting or changing discharge. ✓ checked against source
Permit & program fees	Not stated in the sources we checked
Inspections	Aurora Water performs periodic inspections and may set a specific pumping interval. Biological, enzymatic and chemical treatments are not allowed. ✓ checked against source
Record keeping	Keep maintenance and pumping records on site for at least three years; Aurora Water may require routine submittal. ✓ checked against source
Pumper / hauler approval	Pumping and hauling companies must be accredited and licensed under Colorado state law. ✓ checked against source
Reporting portal	Not stated in the sources we checked
Fines & penalties	Not stated in the sources we checked
Program contact	Not stated in the sources we checked

Sources

https://www.auroragov.org/UserFiles/Servers/Server_1881137/File/Business%20Services/Development%20Center/Water%20%26%20Other%20Utilities/Appendix%20C_Rules%20and%20Regulations%20Governing%20Wastewater%20Control.pdf · checked 2026-10-19

Featured spots in Aurora: 3 of 3 available. Limited to 3 companies per city. For pumping companies

Grease trap cleaning & pumping companies in Aurora, CO

No verified pumping company for Aurora yet. Free listings are sorted A–Z. A listing is not an endorsement.

Before you book: Aurora has hauler rules (see the table above). Ask the company to confirm it is approved for Aurora, and keep a signed manifest for every pump-out.

Featured spot open. Be the first pumper restaurants see in Aurora. 3 of 3 spots left
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Try the Colorado pumper list for companies serving nearby cities.

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Size your interceptor

Use the grease interceptor sizing calculator (UPC, IPC and PDI methods), then confirm Aurora's own minimums above. Not sure how often to pump? Read how often to pump a grease trap.

Aurora grease trap FAQ

How often do grease traps have to be pumped in Aurora, CO?

Pump quarterly; before grease + solids reach 25% of either compartment. Source: Aurora Water, Industrial Pretreatment (Rules & Regulations Governing Wastewater Control, Appendix C, City Code Ch. 138), checked 2026-10-19. Rules change; confirm with the local sewer authority.

Do restaurants in Aurora need a grease trap permit?

Commercial wastewater discharge permit application required, per the official source checked 2026-10-19.

Who enforces grease trap rules in Aurora, CO?

Aurora Water, Industrial Pretreatment (Rules & Regulations Governing Wastewater Control, Appendix C, City Code Ch. 138). Contact them for permits, inspections and approved haulers.

Nearby Colorado cities

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Grease trap guides

For property and building managersTenant vs landlord, shared interceptors, records How often to pumpThe 25% rule and city schedules FOG inspection checklistWhat inspectors check Printable maintenance logPlus record-keeping rules All guidesSizing, trap vs interceptor, cost factors

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