Grease Trap Requirements by City

Clean often enough that combined FOG and solids do...

Every 90 days or when 25% capacity reached, whiche...

Every 90 days minimum or when FOG accumulation rea...

Grease traps serviced at least monthly; grease int...

Every 1-3 months depending on kitchen volume; befo...

At minimum every 90 days; more frequent pumping re...

Every 90 days or when 25% full, whichever comes fi...

Grease traps every 90 days or when 25% rule trigge...

Per 25% rule; minimum every 6 months per Californi...

annual; or when grease/solids reach 25% of capacit...

As needed to prevent FOG accumulation from exceedi...

Per UPC requirements; typically every 90 days or w...

Monthly for hydromechanical units; every 90 days f...

Every 6 month(s); or when grease/solids reach 25% ...

quarterly; or when grease/solids reach 25% of capa...

Periodically; grease removed from interceptors mus...

As required to maintain compliance; minimum every ...

Per Cucamonga Valley Water District requirements...

Per FOG program requirements; typically every 90 d...

Every 90 days or when 25% full...

Per FOG Control Program guidelines; typically ever...

Every 3 months or when combined FOG and solids rea...

monthly...

Per FOG program requirements; typically every 90 d...

When FOG and solids reach 25% of device depth (LA ...

Small traps every 4-8 weeks; large interceptors ev...

Per 25% rule; typically quarterly or as needed...

Per 25% rule; minimum every 6 months...

Before FOG and solids reach 25% of trap capacity; ...

Before FOG/solids reach 25% of trap depth; inspect...

Before FOG/solids exceed 25% capacity; frequency p...

Before FOG/solids reach 25% capacity; typically ev...

Before FOG/solids reach 25% capacity; inside traps...

Per wastewater permit schedule; pump when floatabl...

Per 25% rule; pump when FOG/solids reach 25% of tr...

At minimum every 6 months; more frequently if FOG/...

When FOG/solids reach 25% of trap capacity; typica...

Per 25% rule; grease traps daily to weekly, grease...

Every 90 days minimum, or per 25% rule, whichever ...

Every 90 days (quarterly) minimum, or more frequen...

Minimum every 6 months; per 25% rule if sooner...

Quarterly minimum (checked and maintained quarterl...

Minimum every 6 months; per 25% rule if sooner...

Per maintenance schedule set by director; variance...

Per 25% rule and wastewater discharge permit condi...

Verify the current service interval with the City ...

Every 90 days minimum; more frequently if grease a...

At minimum every 90 days; must be pumped when FOG ...

Per TCEQ model standards; minimum every 90 days or...

Every 90 days minimum; SAWS Grease Trap Procedure ...

Every 90 days minimum; more frequently if grease a...

Minimum every 90 days; more frequently if 25% rule...

Every 90 days...

Every 60 days standard; increased to every 30 days...

annual...

Per TCEQ model standards; when FOG exceeds 25% cap...

Every 180 days (semi-annually)...

Every 90 days (quarterly)...

Per FOGS program requirements; typically every 90 ...

Per 25% rule; typically every 1-3 months...

Every 90 days minimum or when 25% capacity reached...

Minimum every 90 days...

Minimum every 90 days per TCEQ model standards...

Minimum every 90 days per TCEQ model standards...

Minimum every 90 days per TCEQ model standards...

Minimum every 90 days per TCEQ model standards...

Minimum every 90 days per TCEQ model standards...

As needed to maintain efficiency and prevent visib...

Every 90 days minimum; or when grease/solids reach...

Every 90 days (vacuum truck cleaning required)...

Per McAllen Public Utility Pretreatment/Grease Tra...

Minimum twice annually (semi-annual)...

As specified in FOG permit conditions; typically e...

Every 90 days typically; complete removal of all c...

Minimum every 90 days (quarterly). Must be pumped ...

Minimum every 90 days (quarterly). More frequent p...

At minimum every 90 days, or more frequently as ne...

At least every 30 days unless a variance is approv...

annual; or when grease/solids reach 25% of capacit...

Every 90 days or when 25% full...

Annual...

Every 90 days (3 months) recommended; more frequen...

Every 90 days minimum or more frequently as needed...

Every 90 days or as required by Collier County FOG...

Every 7 days (monthly)...

monthly...

monthly; or when grease/solids reach 25% of capaci...

Every 90 days or when 25% full...

At least once per month (variance available up to ...

Per 25% rule; typically every 1-3 months for comme...

Grease traps every 30 days; interceptors every 90 ...

Every 90 days or when 25% capacity is reached, whi...

Grease traps every 30 days; interceptors every 90 ...

Per FOG program schedule; typically quarterly for ...

Small traps (under-sink): every 30 days; Large int...

Per 25% rule - when combined grease and solids rea...

Grease traps: minimum twice per month; Grease inte...

At minimum every 90 days; must be pumped before FO...

Minimum every 90 days (quarterly). Must be pumped ...

Every 60 days; FSEs may apply for Service Variance...

Every 90 days or when 25% full...

weekly...

Every 60 days maximum for grease traps; daily or p...

Quarterly (every 90 days minimum) or when 25% full...

quarterly...

Annual...

Every 90 days (quarterly)...

annual...

monthly; or when grease/solids reach 25% of capaci...

Annual...

Monthly...

Minimum quarterly (4x/year) or when 25% full...

Per manufacturer recommendations and BMP; typicall...

Minimum every 90 days (quarterly) or when 25% capa...

weekly; or when grease/solids reach 25% of capacit...

Minimum every 4 months or when 25% capacity reache...

Per Virginia Plumbing Code and local requirements...

Per local ordinance; Sections 90-208 and 90-212...

Regular pumping before FOG/solids exceed 25%; typi...

Per FOG program requirements; maintenance schedule...

Every 90 days minimum; more frequently if grease a...

Every 90 days or when FOG/solids reach 25% capacit...

Minimum every 90 days (quarterly). Pumping require...

Every 30 days for <100-gal HGI; every 60 days for ...

Every 90 days (quarterly); or when grease/solids r...

Per 25% rule; regular maintenance required...

As needed to prevent FOG discharge exceeding 100 m...

Regular basis; before FOG/solids exceed 25%...

Regular basis; varies by restaurant size and food ...

Per pretreatment program requirements; typically e...

At minimum every 90 days for the first year; frequ...

Must be pumped when grease and solids reach 25% of...

Every 90 days (grease traps); Quarterly (grease in...

annual...

weekly...

Every 90 days (quarterly); or when grease/solids r...

When FOG/solids reach 25% of overall liquid depth;...

As needed to prevent FOG discharge violations; mai...

At minimum every 90 days; must pump when FOG and s...

monthly; or when grease/solids reach 25% of capaci...

Quarterly (every 90 days) or more frequently as ne...

Every 90 days for interceptors; every 7 days for g...

Every 90 days (quarterly); or when grease/solids r...

annual; or when grease/solids reach 25% of capacit...

As needed; must pump before FOG/solids exceed 33% ...

As needed to prevent discharge exceeding 100 mg/L ...

Must be pumped when grease and solids reach 25% of...

Every 90 days (grease traps); Quarterly (grease in...

Every 60 days (quarterly)...

Per New York Plumbing Code and local requirements...

As needed to maintain accumulated FOG and solids b...

Frequently and effectively serviced to maintain sa...

Every 3 months or when 25% capacity is reached, wh...

At minimum every 90 days; Metro Water Services may...

Every 90 days minimum; or when FOG and solids reac...

Minimum quarterly; frequency determined by KUB ins...

Must be pumped when grease and solids reach 25% of...

monthly...

Must be pumped when grease and solids reach 25% of...

Every 90 days (quarterly); or when grease/solids r...

As required to maintain compliance; cleaning and m...

Minimum every 90 days (quarterly). More frequent p...

weekly...

Must be pumped when grease and solids reach 25% of...

Every 90 days minimum or more often as needed; whe...

Every 90 days minimum or when FOG reaches 25% of t...

Every 90 days or when grease and settled solids re...

Every 90 days or when FOG/solids reach 25% of tank...

Quarterly minimum (every 90 days); must be pumped ...

Monthly (internal grease traps); Every 90 days (ex...

As determined by Executive Director; must not allo...

Monthly or when FOG/sludge reaches 25% of effectiv...

At least every 3 months or when 25% rule is trigge...

Quarterly per 248 CMR 10.00 (Massachusetts Uniform...

Internal traps: monthly; External traps: every 90 ...

At minimum every 90 days, or when FOG and solids r...

Minimum every 90 days (quarterly). Must be cleaned...

Every 90 days or when 25% full...

Every 90 days (30-90 days depending on usage)...

Quarterly (every 90 days) or when 25% rule is trig...

monthly...

Every 90 days minimum or when 25% full (whichever ...

Quarterly...

Per Illinois Administrative Code Section 890...

Quarterly (every 90 days) or as often as necessary...

Regular cleaning per manufacturer specifications a...

Monthly minimum by licensed grease hauler (unless ...

At minimum every 90 days; facilities may request a...

Monthly...

Every 6 month(s); or when grease/solids reach 25% ...

Indoor grease traps: 2x per week minimum; outdoor ...

Regular pumping required; frequency based on estab...

Every 90 days minimum or more frequently as needed...

As needed to maintain efficiency; typically 90 day...

Per Michigan Plumbing Code and local requirements...

Per Lansing Municipal Code Section 1040.12...

Gravity grease interceptors: quarterly minimum; Hy...

Every 90 days minimum or more frequently as needed...

Maximum every 90 days; per PA IPC Chapter 10 requi...

Must be pumped when grease and solids reach 25% of...

When FOG and solids exceed 25% of trap volume; und...

Routine servicing required; frequency determined b...

Every 30-90 days depending on volume; quarterly fo...

Must be pumped when grease and solids reach 25% of...

Per 25% rule; indoor traps require more frequent m...

Per 25% rule and MWWSSB requirements; frequency ba...

Regular cleaning required; frequency determined by...

Quarterly or when 25% full, whichever comes first;...

weekly; or when grease/solids reach 25% of capacit...

Per maintenance schedule; 25% rule referenced in p...

Minimum every 90 days (quarterly). Some establishm...

Every 90 days or when 25% full...

Every 90 days or when 25% full...

weekly; or when grease/solids reach 25% of capacit...

Must be pumped when grease and solids reach 25% of...

Every 90 days or when FOG reaches 25% of design ca...

Every 180 days (semi-annually)...

monthly...

Minimum every 90 days (quarterly) or when 25% full...

Per local ordinance; typically every 90 days...

Annual...

As required to maintain compliance; per CT DEEP Ge...

Every 90 days minimum, or when FOG/solids reach 25...

Annual...

Per 25% rule; frequency determined by inspection —...

Quarterly minimum; must clean when FOG/solids reac...

Every 90 days or more frequently if required by ci...

Every 90 days minimum; or more frequently based on...

Per local code requirements; typically every 90 da...

annual...

Weekly...

Every 90 days minimum; more frequently if grease a...

Every 90 days or when 25% full...

As needed per maintenance program; must maintain i...

As needed to prevent non-compliance; per UPC maint...

Every 90 days minimum; must be pumped when grease ...

City-set cleaning schedules (specific frequency va...

Per city FOG program requirements...

Grease traps may require weekly cleaning; grease i...

Quarterly minimum (at least 4 times per year), or ...

Weekly for traps; at minimum every 6 months for in...

annual...

Annual...

Maintain the device so it remains accessible and e...

Must be pumped when grease and solids reach 25% of...

Per manufacturer recommendation and use; regular b...

Regular pumping required; annual proof of maintena...

Every 90 days or when 25% full...

weekly; or when grease/solids reach 25% of capacit...

When FOG and solids exceed 20% of unit volume; hig...

Every 90 days minimum; must be serviced when greas...

External interceptors: every 6 months minimum; int...

Minimum every 90 days (quarterly). FSEs with high-...

Every 30-90 days; before FOG/solids reach 25% of t...

Inside traps: weekly cleaning. Outside traps: mont...

Twice annually minimum (gravity interceptors); as ...

Every 90 days (quarterly); or when grease/solids r...

Per local ordinance Chapters 17.34 and 17.36...

Per manufacturer specifications; must maintain int...

Every 90 days minimum for standard restaurants; mo...

When storage reaches 75% capacity (per NJ state ru...

Every 1-3 months; high-volume restaurants may requ...

When FOG reaches 75% alarm threshold; regular pump...

Every 90 days or when FOG reaches 25% of design ca...

Every 90 days or when 25% full...

Regular servicing required; manifests checked duri...

quarterly; or when grease/solids reach 25% of capa...

Per Municipal Code Chapter 22, Article VI requirem...

Interceptors: completely pumped every 90 days mini...

Minimum every 90 days (quarterly) per City ordinan...

Annual...

Per local ordinance requirements; typically every ...

Monthly (standard); annually for some exempted est...

At minimum every 90 days; must be pumped when comb...

Must be pumped when grease and solids reach 25% of...

Before FOG/solids reach 25% capacity; typically qu...

Monthly initially for new installations; adjusted ...

Gravity interceptors: every 90 days or sooner abov...

Every 90 days minimum; must be pumped when grease ...

Twice per month or when 25% full...

Annual minimum by licensed hauler per NBC Wastewat...

annual; or when grease/solids reach 25% of capacit...