NPDES data group
NPDES data group means the group of related data elements identified in Table 1 in appendix A to this part. These NPDES data groups have similar regulatory reporting requirements and have similar data sources.
Source
40 CFR § 127.2
Scoping language
The definitions in 40 CFR parts 122, 123, 124, 125, 403, 501 and 503 apply to all subparts of this part.