RecordWell Data

Jewish Day School

5235 S CORNELL AVE, Chicago, IL 60615 · Cook County

64cited violations
4serious tier
22inspections
14tier not stated

Establishment

Type
Food establishment (School)
Inspected by
Chicago Department of Public Health
License / ID
2275647
Status
Risk 1 (High)
Official record
Chicago Department of Public Health inspection reports

Other public records for this business

Year by year

YearInspectionsViolationsSerious
2025240
2024110
2023120
2022120
2021110
2020100
2019281
20182142
2017250
2016120
2015150
2014130
2013260
2012140
2011231
2010140

Inspections

  1. Nov 19, 2025 Canvass Re-Inspection · Pass — Risk 1 (High)

    Result: Pass.

  2. Nov 5, 2025 Canvass · Fail — Risk 1 (High)
    • Not serious Priority Foundation

      INSECTS, RODENTS, & ANIMALS NOT PRESENT

      OBSERVED OVER 100 MICE DROPPINGS SCATTERED ON FLOOR ALONG WALLS AND CORNERS UNDER 3-COMPARTMENT SINK, DRAINBOARDS, EQUIPMENT, ETC, NEAR STOVE, REACH-IN COOLERS AND FREEZERS, SHELVING UNITS, ON SHEET PANS AND ROLLING CARTS, ON BOTTOM OF PREP TABLES UNDER MIXER, MULTI-USE EQUIPMENT AND UTENSILS IN PREP AREA, ON FLOOR AND SHELVES IN KITCHEN UTILITY CLOSET. INSTRUCTED MANAGER TO CALL AN EXTERMINATOR FOR SERVICE, CLEAN AND SANITIZE ALL AREAS. PRIORITY FOUNDATION 7-38-020(A) CITATION ISSUED

    • Severity not stated

      CONTAMINATION PREVENTED DURING FOOD PREPARATION, STORAGE & DISPLAY

      OBSERVED FOOD ITEMS STORED ON FLOOR IN PREP AREA. INSTRUCTED MANAGER TO ELEVATE ALL FOOD ITEMS SIX INCHES OFF FLOOR.

    • Severity not stated

      SINGLE-USE/SINGLE-SERVICE ARTICLES: PROPERLY STORED & USED

      OBSERVED SINGLE SERVICE ARTICLES STORED ON FLOOR IN PREP AREA. INSTRUCTED MANAGER TO ELEVATE ALL SINGLE SERVICE ARTICLES SIX INCHES OFF FLOOR.

    • Severity not stated

      TOILET FACILITIES: PROPERLY CONSTRUCTED, SUPPLIED, & CLEANED

      OBSERVED NO COVERED RECEPTACLES IN WOMEN AND UNISEX FIRST AND SECOND FLOOR WASHROOMS. INSTRUCTED MANAGER TO PROVIDE COVERED RECEPTACLES IN ALL WOMEN AND UNISEX WASHROOMS.

  3. Sep 24, 2024 Canvass · Pass — Risk 1 (High)
    • Severity not stated

      THERMOMETERS PROVIDED & ACCURATE

      INSTRUCTED MANAGER TO PROVIDE AND MAINTAIN A WORKING THERMOMETER INSIDE THE DAIRY COOLER.

  4. Dec 1, 2023 Canvass · Pass — Risk 1 (High)
    • Severity not stated

      PERSONAL CLEANLINESS

      ONE FOOD HANDLER NOT WEARING A HAIR RESTRAINT; MUST PROVIDE AND MAINTAIN AT ALL TIMES WHILE HANDLING FOOD.

    • Severity not stated

      ALL FOOD EMPLOYEES HAVE FOOD HANDLER TRAINING

      INSTRUCTED THAT NEW FOOD HANDLERS MUST OBTAIN THE REQUIRED FOOD HANDLER TRAINING.

  5. Oct 20, 2022 Canvass · Pass — Risk 1 (High)
    • Severity not stated

      PHYSICAL FACILITIES INSTALLED, MAINTAINED & CLEAN

      INSTRUCTED TO ORGANIZE AND MAINTAIN KITCHEN UTILITY CLOSET; REMOVE ITEMS FROM FLOOR AND STORE ON SHELVES.

    • Severity not stated

      PHYSICAL FACILITIES INSTALLED, MAINTAINED & CLEAN

      INSTRUCTED TO CLEAN THE FLOOR DRAINS AT BOTH SINKS IN KITCHEN (2 COMP AND 3 COMP). INSTRUCTED TO CLEAN FLOOR IN UTILITY CLOSET OF KITCHEN. ALSO REMOVE SOAP FROM THE FLOOR OF THE GIRLS WASHROOM OUTSIDE OF THE KTICHEN.

  6. Dec 1, 2021 Canvass · Pass — Risk 1 (High)
    • Severity not stated

      PHYSICAL FACILITIES INSTALLED, MAINTAINED & CLEAN

      INSTRUCTED TO CLEAN THE FLOOR DRAINS UNDERNEATH THE TWO AND THREE COMPARTMENT SINKS IN KITCHEN.

  7. Dec 3, 2020 Canvass · Pass — Risk 1 (High)

    Result: Pass.

  8. Mar 15, 2019 Canvass Re-Inspection · Pass — Risk 1 (High)
    • Severity not stated

      CONTAMINATION PREVENTED DURING FOOD PREPARATION, STORAGE & DISPLAY

      BARRIER PROVIDED BUT MUST HAVE A MORE ADEQUATE BARRIER/ENCLOSURE FOR SIDES AND FRONT OF CURRENT FIXTURE.

  9. Mar 12, 2019 Canvass · Fail — Risk 1 (High)
    • Severity not stated

      PERSON IN CHARGE PRESENT, DEMONSTRATES KNOWLEDGE, AND PERFORMS DUTIES

      NO PERSON IN CHARGE AT TIME OF INSPECTION.

    • Not serious Priority Foundation

      CITY OF CHICAGO FOOD SERVICE SANITATION CERTIFICATE

      NOTED NO CERTIFIED FOOD MANAGER WITH ORIGINAL OR VALID CITY OF CHICAGO FOOD SERVICE SANITATION CERTIFICATE. MUST PROVIDE. PRIORITY FOUNDATION VIOLATION 7-38-012.

    • Not serious Priority Foundation

      MANAGEMENT, FOOD EMPLOYEE AND CONDITIONAL EMPLOYEE; KNOWLEDGE, RESPONSIBILITIES AND REPORTING

      OBSERVED NO POLICY IN PLACE FOR EMPLOYEE HEALTH. MUST PROVIDE. PRIORITY FOUNDATION VIOLATION 7-38-010.

    • Serious Priority

      CONTAMINATION PREVENTED DURING FOOD PREPARATION, STORAGE & DISPLAY

      OBSERVED FOOD BEING SERVED CAFETERIA STYLE IN OPEN HALL AREA OUTSIDE OF KITCHEN. Instructed all hot holding and/or cold holding units must be protected from contamination. Foods may not be served without proper barrier, such as a sneeze guard. IF foods being served on tables, must be served with supervision and properly protected. PRIORITY VIOLATION 7-38-005.

    • Severity not stated

      PLUMBING INSTALLED; PROPER BACKFLOW DEVICES

      REPAIR FAUCET AT HAND SINK IN PREP AREA TO PREVENT FROM SPRAYING ALL OVER.

    • Severity not stated

      TOILET FACILITIES: PROPERLY CONSTRUCTED, SUPPLIED, & CLEANED

      MUST EMPTY TOILET ROOM RECEPTACLES OF OVER FLOWING PAPER TOWELS AT BOYS 1ST FLOOR WASH ROOM.

    • Severity not stated

      PHYSICAL FACILITIES INSTALLED, MAINTAINED & CLEAN

      CLEAN FLOOR OF FOOD DEBRIS IN KITCHEN AREA.

  10. Apr 26, 2018 Canvass Re-Inspection · Pass — Risk 1 (High)
    • Not serious Minor

      FOOD IN ORIGINAL CONTAINER, PROPERLY LABELED: CUSTOMER ADVISORY POSTED AS NEEDED

      Observed dry food items (pasta stored in tubs on shelves) without proper label. Must label all bulk food items with name. Must maintain same.

    • Not serious Minor

      FLOORS: CONSTRUCTED PER CODE, CLEANED, GOOD REPAIR, COVING INSTALLED, DUST-LESS CLEANING METHODS USED

      Observed excessive grease build up on floors under/ behind oven in kitchen. Must detail clean and sanitize. Must elevate all items stored directly on floors in storage closet in lunch room. Must maintain all.

    • Not serious Minor

      WALLS, CEILINGS, ATTACHED EQUIPMENT CONSTRUCTED PER CODE: GOOD REPAIR, SURFACES CLEAN AND DUST-LESS CLEANING METHODS

      Observed large gaps around pipes/ holes in walls in pre K classroom on 2nd floor. Must seal to prevent pest entry. Observed stained ceiling tiles in the last stall in the girls restroom on the 2nd floor. Must replace. Must maintain all.

    • Not serious Minor

      VENTILATION: ROOMS AND EQUIPMENT VENTED AS REQUIRED: PLUMBING: INSTALLED AND MAINTAINED

      Must install permanent, exposed hand sink with adequate city pressure, hot/cold water (with soap and sanitary means to dry hands) in the same room as the the food serving/dispensing area. Must have hand sink, which is connected to the city plumbing, as specified in the plumbing code. Must maintain same.

    • Not serious Minor

      REFRIGERATION AND METAL STEM THERMOMETERS PROVIDED AND CONSPICUOUS

      Must provide metal stem thermometers (kosher) at the serving line for food handlers to properly test internal food temperature. Must provide thermometers in a conspicuous spot in all pre-k refrigerators. Must maintain same.

    • Not serious Minor

      FOOD HANDLER REQUIREMENTS MET

      Must provide proof of food handler trainer for all food handling employees. Must maintain paper work and provide for inspection.

  11. Apr 24, 2018 Canvass · Fail — Risk 1 (High)
    • Serious Critical

      POTENTIALLY HAZARDOUS FOOD MEETS TEMPERATURE REQUIREMENT DURING STORAGE, PREPARATION DISPLAY AND SERVICE

      Observed potentially hazardous foods at improper temperatures on the serving table, in the lunchroom. Found fruit cups with canteloupe and honey dew @ 55.4F; sliced tomatoes @ 48.2F; and chopped, hard boiled eggs @ 51.3F. Must keep all potentially hazardous foods @ 40F or higher or 140F or less at all times. Critical violation 7-38-005(a).

    • Serious Critical

      ADEQUATE NUMBER, CONVENIENT, ACCESSIBLE, DESIGNED, AND MAINTAINED

      Observed portable hand sink in serving area (lunchroom) without hot water. Observed water temperature at 71.1F. Must provide hot water temperature of 85F or higher at all hand washing sinks, at all times. Must install exposed hand washing sink (with hot/cold water at adequate city pressure) per municipal code. Must Critical violation 7-38-030.

    • Not serious Minor

      FOOD IN ORIGINAL CONTAINER, PROPERLY LABELED: CUSTOMER ADVISORY POSTED AS NEEDED

      Observed dry food items (pasta stored in tubs on shelves) without proper label. Must label all bulk food items with name. Must maintain same.

    • Not serious Minor

      FLOORS: CONSTRUCTED PER CODE, CLEANED, GOOD REPAIR, COVING INSTALLED, DUST-LESS CLEANING METHODS USED

      Observed excessive grease build up on floors under/ behind oven in kitchen. Must detail clean and sanitize. Must elevate all items stored directly on floors in storage closet in lunch room. Must maintain all.

    • Not serious Minor

      WALLS, CEILINGS, ATTACHED EQUIPMENT CONSTRUCTED PER CODE: GOOD REPAIR, SURFACES CLEAN AND DUST-LESS CLEANING METHODS

      Observed large gaps around pipes/ holes in walls in pre K classroom on 2nd floor. Must seal to prevent pest entry. Observed stained ceiling tiles in the last stall in the girls restroom on the 2nd floor. Must replace. Must maintain all.

    • Not serious Minor

      VENTILATION: ROOMS AND EQUIPMENT VENTED AS REQUIRED: PLUMBING: INSTALLED AND MAINTAINED

      Observed middle sink in 1st floor boys restroom not working. Must repair. Must provide constant water flow of at least 15 seconds at all sink in the 2nd floor boys restroom. Must repair and maintain same.

    • Not serious Minor

      REFRIGERATION AND METAL STEM THERMOMETERS PROVIDED AND CONSPICUOUS

      Must provide metal stem thermometers (kosher) at the serving line for food handlers to properly test internal food temperature. Must provide thermometers in a conspicuous spot in all pre-k refrigerators. Must maintain same.

    • Not serious Minor

      FOOD HANDLER REQUIREMENTS MET

      Must provide proof of food handler trainer for all food handling employees. Must maintain paper work and provide for inspection.

  12. Mar 24, 2017 Canvass Re-Inspection · Pass — Risk 1 (High)

    Result: Pass.

  13. Mar 17, 2017 Canvass · Fail — Risk 1 (High)
    • Not serious Serious (Chicago's middle tier)

      DISH MACHINES: PROVIDED WITH ACCURATE THERMOMETERS, CHEMICAL TEST KITS AND SUITABLE GAUGE COCK

      NO CHEMICAL SANITIZER TEST KIT AVAILABLE DURING INSPECTION. INSTRUCTED MANAGER TO PROVIDE TEST KIT FOR PROPER SANITIZER CONCENTRATION IN 3-COMPARTMENT SINK. SERIOUS VIOLATION 7-38-030

    • Not serious Minor

      FOOD AND NON-FOOD CONTACT EQUIPMENT UTENSILS CLEAN, FREE OF ABRASIVE DETERGENTS

      CLEAN INTERIOR AND EXTERIOR OF ALL COOKING EQUIPMENT, COOLERS, FREEZERS, ROLLING CARTS, PREP TABLES, SINKS.

    • Not serious Minor

      FLOORS: CONSTRUCTED PER CODE, CLEANED, GOOD REPAIR, COVING INSTALLED, DUST-LESS CLEANING METHODS USED

      CLEAN FLOOR DRAIN UNDER 3-COMPARTMENT SINK. CLEAN FLOORS UNDER ALL EQUIPMENT, ALONG WALLS AND IN ALL CORNERS IN PREP AND STORAGE AREAS.

    • Not serious Minor

      VENTILATION: ROOMS AND EQUIPMENT VENTED AS REQUIRED: PLUMBING: INSTALLED AND MAINTAINED

      REMOVE HOSE FROM FAUCET OF 3-COMPARTMENT SINK.

    • Not serious Minor

      PREMISES MAINTAINED FREE OF LITTER, UNNECESSARY ARTICLES, CLEANING EQUIPMENT PROPERLY STORED

      ORGANIZE REACH-IN COOLERS IN KITCHEN AND STORAGE CLOSETS IN PRESCHOOL CLASSROOMS.

  14. May 4, 2016 Canvass · Pass — Risk 1 (High)
    • Not serious Minor

      FOOD AND NON-FOOD CONTACT EQUIPMENT UTENSILS CLEAN, FREE OF ABRASIVE DETERGENTS

      DETAIL CLEAN STUDENT STORAGE CUBBIES AS NEEDED IN PRE-SCHOOL CLASS ROOMS. DETAIL CLEAN THE INTERIOR OF THE UNDER COUNTER HOT HOLDING UNIT IN THE PREP KITCHEN.

    • Not serious Minor

      WALLS, CEILINGS, ATTACHED EQUIPMENT CONSTRUCTED PER CODE: GOOD REPAIR, SURFACES CLEAN AND DUST-LESS CLEANING METHODS

      MUST REPLACE STAINED CEILING TILES IN THE 2ND FLOOR GIRLS WASHROOM. (SOUTH BUILDING FOR SCHOOL AGE STUDENTS)

  15. May 13, 2015 Canvass · Pass — Risk 1 (High)
    • Not serious Minor

      FOOD AND NON-FOOD CONTACT SURFACES PROPERLY DESIGNED, CONSTRUCTED AND MAINTAINED

      MUST REMOVE RUST FROM SHELVING UNITS IN REACH IN COOLER.

    • Not serious Minor

      FOOD AND NON-FOOD CONTACT EQUIPMENT UTENSILS CLEAN, FREE OF ABRASIVE DETERGENTS

      MUST CLEAN REACH IN FREEZER.

    • Not serious Minor

      FLOORS: CONSTRUCTED PER CODE, CLEANED, GOOD REPAIR, COVING INSTALLED, DUST-LESS CLEANING METHODS USED

      MUST CLEAN DEBRI FROM FLOOR ALONG WALL BASES IN KITCHEN.

    • Not serious Minor

      WALLS, CEILINGS, ATTACHED EQUIPMENT CONSTRUCTED PER CODE: GOOD REPAIR, SURFACES CLEAN AND DUST-LESS CLEANING METHODS

      MUST CLEAN DEBRI FROM FILTERS AT HOOD.MUST SEAL ALL OPENINGS AROUND PIPES LEADING INTO CEILING IN KITCHEN.MUST REPLACE STAINED CEILING TILES IN 1ST FL. (G).

    • Not serious Minor

      VENTILATION: ROOMS AND EQUIPMENT VENTED AS REQUIRED: PLUMBING: INSTALLED AND MAINTAINED

      MUST REPAIR OR REPLACE 2ND FL. (B) LAST HAND SINK NOT WORKING.

  16. May 6, 2014 Canvass · Pass — Risk 1 (High)
    • Not serious Minor

      FOOD AND NON-FOOD CONTACT EQUIPMENT UTENSILS CLEAN, FREE OF ABRASIVE DETERGENTS

      MUST CLEAN INTERIORS OF REFRIGERATION UNITS AND FREEZERS.

    • Not serious Minor

      FLOORS: CONSTRUCTED PER CODE, CLEANED, GOOD REPAIR, COVING INSTALLED, DUST-LESS CLEANING METHODS USED

      CLEAN FLOOR IN KITCHEN AND UTILITY CLOSET IN KITCHEN. CLEAN FLOOR DRAIN UNDER SINK IN KITCHEN.

    • Not serious Minor

      WALLS, CEILINGS, ATTACHED EQUIPMENT CONSTRUCTED PER CODE: GOOD REPAIR, SURFACES CLEAN AND DUST-LESS CLEANING METHODS

      CLEAN VENTS ABOVE STOVE IN HOODED SYSTEM TO REMOVE DUST NOTED. CLEAN CEILING VENTS IN WASHROOMS IN SOUTH BUILDING TO REMOVE DUST NOTED.

  17. Jun 13, 2013 Canvass Re-Inspection · Pass — Risk 1 (High)
    • Not serious Minor

      WALLS, CEILINGS, ATTACHED EQUIPMENT CONSTRUCTED PER CODE: GOOD REPAIR, SURFACES CLEAN AND DUST-LESS CLEANING METHODS

      MUST REPLACE STAINED CEILING TILES ABOVE STAIRWELL IN NORTH BUILDING.

    • Not serious Minor

      VENTILATION: ROOMS AND EQUIPMENT VENTED AS REQUIRED: PLUMBING: INSTALLED AND MAINTAINED

      MUST REPAIR THE BROKEN HOT WATER FAUCET HANDLE IN THE 1ST FLOOR BOYS WASH ROOM. DETAIL CLEAN THE VENTILATION HOOD ABOVE THE MEAT PREPARATION STOVE.

  18. Jun 6, 2013 Canvass · Fail — Risk 1 (High)
    • Not serious Serious (Chicago's middle tier)

      CERTIFIED FOOD MANAGER ON SITE WHEN POTENTIALLY HAZARDOUS FOODS ARE PREPARED AND SERVED

      NO VAILD CITY OF CHICAGO FOODSERVICE MANAGERS CERTIFICATE POSTED. MUST PROVIDE AT ALL TIMES. SERIOUS CITATION ISSUED 7-38-012

    • Not serious Serious (Chicago's middle tier)

      ADEQUATE NUMBER, CONVENIENT, ACCESSIBLE, PROPERLY DESIGNED AND INSTALLED

      HAND WASHING FACILITIES NOT PROPERLY MAINTAINED. NO HOT WATER AVAILABLE AT WASH BOWLS IN THE BOYS AND GIRLS 2ND FLOOR WASH ROOMS. MUST REPAIR AND PROVIDE HOT AND COLD OR TEMPERED WATER AT EACH SINK. SERIOUS CITATION ISSUED 7-38-030

    • Not serious Minor

      WALLS, CEILINGS, ATTACHED EQUIPMENT CONSTRUCTED PER CODE: GOOD REPAIR, SURFACES CLEAN AND DUST-LESS CLEANING METHODS

      MUST REPLACE STAINED CEILING TILES ABOVE STAIRWELL IN NORTH BUILDING.

    • Not serious Minor

      VENTILATION: ROOMS AND EQUIPMENT VENTED AS REQUIRED: PLUMBING: INSTALLED AND MAINTAINED

      MUST REPAIR THE BROKEN HOT WATER FAUCET HANDLE IN THE 1ST FLOOR BOYS WASH ROOM. DETAIL CLEAN THE VENTILATION HOOD ABOVE THE MEAT PREPARATION STOVE.

  19. May 18, 2012 Canvass · Pass — Risk 1 (High)
    • Not serious Minor

      CLEAN MULTI-USE UTENSILS AND SINGLE SERVICE ARTICLES PROPERLY STORED: NO REUSE OF SINGLE SERVICE ARTICLES

      INVERT ALL UTENSILS TO PROTECT FROM CONTAMINATION. REMOVE CUPS, SPOONS, ETC FROM UNDER SINK. SEPARATE UTENSILS FROM CLEANING SUPPLIES.

    • Not serious Minor

      FOOD AND NON-FOOD CONTACT EQUIPMENT UTENSILS CLEAN, FREE OF ABRASIVE DETERGENTS

      CLEAN ALL CABINETS UNDER SINKS IN CLASSROOMS.

    • Not serious Minor

      FLOORS: CONSTRUCTED PER CODE, CLEANED, GOOD REPAIR, COVING INSTALLED, DUST-LESS CLEANING METHODS USED

      ELEVATE ALL STOCK OFF FLOOR IN STORAGE AREAS.

    • Not serious Minor

      PREMISES MAINTAINED FREE OF LITTER, UNNECESSARY ARTICLES, CLEANING EQUIPMENT PROPERLY STORED

      ORGANIZE ALL STORAGE CLOSETS TO PREVENT PEST HARBORAGE.

  20. Dec 6, 2011 Canvass Re-Inspection · Pass — Risk 1 (High)

    Result: Pass.

  21. Dec 2, 2011 Canvass · Fail — Risk 1 (High)
    • Serious Critical

      WATER SOURCE: SAFE, HOT & COLD UNDER CITY PRESSURE

      FOUND NO HOT WATER AT MAIN KITCHEN AREAS. CRITICAL VIOLATION. CITATION ISSUED.

    • Not serious Minor

      CLEAN MULTI-USE UTENSILS AND SINGLE SERVICE ARTICLES PROPERLY STORED: NO REUSE OF SINGLE SERVICE ARTICLES

      FOUND FOOD CONTAINERS NOT STORED PROPERLY ON SHELVING UNITS. MUST STORE INVERTED.

    • Not serious Minor

      PREMISES MAINTAINED FREE OF LITTER, UNNECESSARY ARTICLES, CLEANING EQUIPMENT PROPERLY STORED

      FOUND CLUTTER AT MAIN KITCHEN AREAS THAT MUST BE REMOVED. CLOTHES, SCHOOL SUPPLIES,ETC.

  22. Aug 24, 2010 Canvass · Pass — Risk 1 (High)
    • Not serious Minor

      FLOORS: CONSTRUCTED PER CODE, CLEANED, GOOD REPAIR, COVING INSTALLED, DUST-LESS CLEANING METHODS USED

      DETAIL CLEAN FLOORS THROUGHOUT, INCLUDING ALL CORNERS AND BEHIND CUBBIES/BOOK SHELVES.

    • Not serious Minor

      WALLS, CEILINGS, ATTACHED EQUIPMENT CONSTRUCTED PER CODE: GOOD REPAIR, SURFACES CLEAN AND DUST-LESS CLEANING METHODS

      DETAIL CLEAN WALLS THROUGHOUT AND ALL ATTACHED EQUIPTMENT.

    • Not serious Minor

      REFRIGERATION AND METAL STEM THERMOMETERS PROVIDED AND CONSPICUOUS

      PROVIDE THERMOMETERS INSIDE ALL COOLERS/FREEZERS.

    • Not serious Minor

      PREMISES MAINTAINED FREE OF LITTER, UNNECESSARY ARTICLES, CLEANING EQUIPMENT PROPERLY STORED

      ORGANIZE TEACHERS STORAGE CLOSETS, ELEVATING SUPPLOES/BOXES AND SOME EQUIPTMENT 6 INCHES FROM FLOOR.

Source: Chicago Department of Public Health. History last read Oct 1, 2026. Violation text is the inspector's wording. “Serious” is the source's own top tier. About this data.