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Harmonized System
U.S. exports of sewage sludge (HS 382520) totaled $12K in July 2026, traded with 3 countries.
Last updated: July 2026 dataSewage sludge — the semi-solid residual material produced during wastewater treatment — enters US commerce under tariff line 3825200000 and is subject to EPA regulation under the Clean Water Act's biosolids framework (40 CFR Part 503). Cross-border trade in this material is uncommon but does occur in the context of beneficial reuse programs, such as land application or composting, where treated sludge is marketed as a soil amendment. Importers must confirm that the material meets EPA pathogen-reduction and heavy-metal concentration standards before any land-application end use is permitted.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Potentially, but only if the material meets EPA's Part 503 biosolids standards for pathogen reduction and pollutant concentration limits. Importers should obtain documentation from the foreign treatment facility confirming compliance with equivalent standards before pursuing a land-application end use.
Sewage sludge (382520) is specifically the semi-solid residual from wastewater treatment processes, while municipal waste (382510) covers mixed solid refuse from households and commercial premises. The two streams have distinct regulatory profiles and should not be commingled for classification purposes.
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Subheading 8 of 9 in heading 3825
Subheading 382520 · $0 of $1.4M
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share |
|---|---|---|---|---|
| 3825200000 | Sewage Sludge | $0 | -- | -- |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 3825200000 | Sewage Sludge | $12K |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
ImportsExports
Imports
$0YoY · Pro
Exports
$12KYoY · Pro
12-mo low · imports
YoY · ProFewer than 6 of the last 12 months reported trade above $500K; the trend chart is not shown for thin series.
Through July 2026. Source: U.S. Census Bureau.
Exports · July 2026
destination
Canada and United Arab Emirates together take 100% of it.
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origin
entry
rate provision · imports
None recorded for this period.