659 samples, standard-grown
2024 · United States · USDA Pesticide Data Program · Calendar year
Pesticide residues found on lettuce, leaf
93.8% of standard-grown samples had at least one detected residue. Standard-grown means samples not identified as organic (called conventional in the source data). Detection does not, by itself, mean the food was unsafe.
All reported results below quantification
Two or more residues detected
Highest observed count: 16
Compared with the recorded EPA tolerance
47 samples, interpret cautiously
Residue detail
What was found on lettuce, leaf?
The most frequently detected residues across all 706 samples. This is the complete available table for this monitoring entry.
706samples checked
Detection does not establish harm. Health risk depends on both toxicity and the amount a person is exposed to.
What do these types mean?
- FungicideControls fungal diseases such as moulds and mildews.
- InsecticideControls insects that damage crops or stored food.
- HerbicideControls weeds competing with a crop.
- Growth regulatorChanges plant growth, development or ripening.
- Other / mixedCovers multiple substances or a role that cannot be reliably assigned from the published name.
These labels describe agricultural function, not a toxicity ranking.
| Residue | Type | Samples | Median | Higher result | Typical published limit |
|---|---|---|---|---|---|
| Mandipropamid | Other / mixed | 249 (35.3%) | 0.233 mg/kg | 1.81 mg/kg | 25 mg/kg |
Health summary pending No reviewed substance-specific summary is available, so no health effect is inferred. Search WHO/FAO JMPR ↗ | |||||
| Ametoctradin | Other / mixed | 230 (32.6%) | 0.145 mg/kg | 5.356 mg/kg | 40 mg/kg |
Health summary pending No reviewed substance-specific summary is available, so no health effect is inferred. Search WHO/FAO JMPR ↗ | |||||
| Permethrin cis | Other / mixed | 209 (29.6%) | 0.119 mg/kg | 0.636 mg/kg | 20 mg/kg |
Health summary pending No reviewed substance-specific summary is available, so no health effect is inferred. Search WHO/FAO JMPR ↗ | |||||
| Propamocarb hydrochloride | Other / mixed | 208 (29.5%) | 0.343 mg/kg | 16.897 mg/kg | 150 mg/kg |
Health summary pending No reviewed substance-specific summary is available, so no health effect is inferred. Search WHO/FAO JMPR ↗ | |||||
| DCPA | Other / mixed | 178 (25.2%) | 0.003 mg/kg | 0.014 mg/kg | 2 mg/kg |
Health summary pending No reviewed substance-specific summary is available, so no health effect is inferred. Search WHO/FAO JMPR ↗ | |||||
| Permethrin trans | Other / mixed | 172 (24.4%) | 0.136 mg/kg | 0.753 mg/kg | 20 mg/kg |
Health summary pending No reviewed substance-specific summary is available, so no health effect is inferred. Search WHO/FAO JMPR ↗ | |||||
| Dimethomorph | Other / mixed | 158 (22.4%) | 0.117 mg/kg | 2.042 mg/kg | 30 mg/kg |
Health summary pending No reviewed substance-specific summary is available, so no health effect is inferred. Search WHO/FAO JMPR ↗ | |||||
| Flupyradifurone | Insecticide | 140 (19.8%) | 0.13 mg/kg | 1.3 mg/kg | 30 mg/kg |
Health summary pending No reviewed substance-specific summary is available, so no health effect is inferred. Search WHO/FAO JMPR ↗ | |||||
| Flonicamid | Other / mixed | 131 (18.6%) | 0.073 mg/kg | 0.671 mg/kg | 8 mg/kg |
Health summary pending No reviewed substance-specific summary is available, so no health effect is inferred. Search WHO/FAO JMPR ↗ | |||||
| DDE p,p' | Other / mixed | 111 (15.7%) | 0.003 mg/kg | 0.008 mg/kg | 0.5 mg/kg |
Health summary pending No reviewed substance-specific summary is available, so no health effect is inferred. Search WHO/FAO JMPR ↗ | |||||
| Fluopyram | Fungicide | 102 (14.4%) | 0.003 mg/kg | 0.014 mg/kg | 40 mg/kg |
Health summary pending No reviewed substance-specific summary is available, so no health effect is inferred. Search WHO/FAO JMPR ↗ | |||||
| Spinetoram | Other / mixed | 98 (13.9%) | 0.01 mg/kg | 0.068 mg/kg | 10 mg/kg |
Health summary pending No reviewed substance-specific summary is available, so no health effect is inferred. Search WHO/FAO JMPR ↗ | |||||
| Chlorantraniliprole | Insecticide | 97 (13.7%) | 0.021 mg/kg | 0.336 mg/kg | 13 mg/kg |
Health summary pending No reviewed substance-specific summary is available, so no health effect is inferred. Search WHO/FAO JMPR ↗ | |||||
| Fenamidone | Other / mixed | 91 (12.9%) | 0.073 mg/kg | 1.593 mg/kg | 60 mg/kg |
Health summary pending No reviewed substance-specific summary is available, so no health effect is inferred. Search WHO/FAO JMPR ↗ | |||||
| Spirotetramat | Other / mixed | 81 (11.5%) | 0.021 mg/kg | 0.317 mg/kg | 9 mg/kg |
Health summary pending No reviewed substance-specific summary is available, so no health effect is inferred. Search WHO/FAO JMPR ↗ | |||||
| Cyhalothrin, Total (Cyhalothrin-L + R157836 epimer) | Other / mixed | 72 (10.2%) | 0.079 mg/kg | 0.298 mg/kg | 2 mg/kg |
Health summary pending No reviewed substance-specific summary is available, so no health effect is inferred. Search WHO/FAO JMPR ↗ | |||||
| Imidacloprid | Insecticide | 64 (9.1%) | 0.059 mg/kg | 0.138 mg/kg | 3.5 mg/kg |
Health summary pending No reviewed substance-specific summary is available, so no health effect is inferred. Search WHO/FAO JMPR ↗ | |||||
| Oxathiapiprolin | Other / mixed | 55 (7.8%) | 0.063 mg/kg | 0.223 mg/kg | 15 mg/kg |
Health summary pending No reviewed substance-specific summary is available, so no health effect is inferred. Search WHO/FAO JMPR ↗ | |||||
| Fluopicolide | Other / mixed | 51 (7.2%) | 0.038 mg/kg | 1.117 mg/kg | 25 mg/kg |
Health summary pending No reviewed substance-specific summary is available, so no health effect is inferred. Search WHO/FAO JMPR ↗ | |||||
| Methoxyfenozide | Insecticide | 46 (6.5%) | 0.002 mg/kg | 1.143 mg/kg | 30 mg/kg |
Health summary pending No reviewed substance-specific summary is available, so no health effect is inferred. Search WHO/FAO JMPR ↗ | |||||
“Higher result” is an approximate 95th-percentile observed concentration, not a safety threshold. Amounts of different pesticides should not be added together or compared directly. Functional types describe their usual agricultural role; they are not hazard or toxicity rankings.
ADI and ARfD are intake reference values, not limits for one food sample. A personal assessment would also require consumption, body-weight and wider exposure data. Source programmes report legal Maximum Residue Level results separately.
What this tells you
A monitoring result, not a verdict.
USDA PDP selects rotating commodities, with emphasis on foods important to consumer diets, including foods eaten by infants and children. It is not a test of every lettuce, leaf product sold in United States. This entry’s latest included calendar year release is from 2024.
Published MRLs or tolerances are regulatory limits associated with pesticide use. Consumer-risk assessment is a separate process.
Broader sample coverage. At least 50 samples: broader monitoring coverage, but still targeted rather than random.
Compare organic and standard-grown results →Common questions
How to read these lettuce, leaf results
Were pesticide residues detected on lettuce, leaf?
93.8% of 659 standard-grown samples in the 2024 USDA Pesticide Data Program dataset had at least one quantified residue.
Does that mean lettuce, leaf were unsafe?
No. A laboratory detection is not, by itself, a consumer-risk finding. Regulators assess dietary risk separately.
Should I buy organic lettuce, leaf?
The monitored organic samples had a 25.5% detection rate, compared with 93.8% for standard-grown samples. This is a shopping-priority comparison, not a health-risk score.