Site Remediation Program NFR Letter Registry

Illinois EPA's standing SRP/NFR product identifies parcel-reachable SRP sites by IEPA and optional USEPA identifiers, site name, address, and coordinates, and reports the count and earliest/latest dates of NFR letters aggregated for each site. This establishes bounded official NFR-determination history and site identity, not a complete remediation-case chronology or a distinct case number.

For an identified SRP site, the site-aggregated product reports issuance of one or more NFR determinations, NfrLetterCount, EarliestNfrLetterDate, LatestNfrLetterDate, the latest determination's comprehensive/focused scope and land-use value, and the raw ActiveSite indicator. These provide official completion-determination, dated-milestone, and raw activity-status evidence. Preserve site-aggregate grain and raw values; an NFR does not prove current absence of contamination or remedy effectiveness, ActiveSite has no status-effective date, and the Source does not supply contaminants, affected media, or a complete phase chronology.

The site-aggregated NFR product reports whether any NFR letter identifies an engineered barrier and distinguishes asphalt, concrete, building slab, three- or ten-foot clean soil, alternate, and other barrier types. This directly supplies officially recorded engineering-control presence and type. The earliest/latest NFR dates bound the site's determination history but cannot be assigned as a control-specific implementation or effective date when several letters exist; the product does not establish present operation, lifted status, or termination date.

The site-aggregated NFR product reports whether any NFR letter identifies an institutional control and distinguishes industrial/commercial restriction, groundwater-use restriction, ordinance, worker caution, slab-on-grade, highway-authority agreement, BCT, ELUC groundwater-use restriction, and other control indicators. LatestLandUse is specifically taken from the latest NFR letter and can be read with LatestNfrLetterDate. This supplies official remediation-related restriction/control presence and type, but not land-record instrument identity, title enforceability, continuing current status, lift, or termination dates; the other any-letter indicators cannot be tied to a particular letter date after aggregation.