Information on Ecoregional Nutrient Criteria Documents for Lakes and Reservoirs.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Ecoregion II: Western Forested Mountains (PDF)(107 pp, 389 K, December 2000, EPA 822-B-00-007)
- Ecoregion III: Xeric West (PDF)(142 pp, 3 MB, December 2001, EPA 822-B-01-008)
- Ecoregion IV: Great Plains Grass and Shrublands (PDF)(126 pp, 3 MB, December 2001, EPA 822-B-01-009)
- Ecoregion V: South Central Cultivated Great Plains (PDF)(123 pp, 3 MB, December 2001, EPA 822-B-01-010)
- Ecoregion VI: Corn Belt And Northern Great Plains (PDF)(85 pp, 315 K, December 2000, EPA 822-B-00-008)
- Ecoregion VII: Mostly Glaciated Dairy Region (PDF)(91 pp, 342 K, December 2000, EPA 822-B-00-009)
- Ecoregion VIII: Nutrient Poor Largely Glaciated Upper Midwest and Northeast (PDF)(87 pp, 361 K, December 2000, EPA 822-B-00-010)
- Ecoregion IX: Southeastern Temperate Forested Plains and Hills (PDF)(99 pp, 384 K, December 2000, EPA 822-B-00-011)
- Ecoregion XI: The Central and Eastern Forested Uplands (PDF)(95 pp, 355 K, December 2000, EPA 822-B-00-012)
- Ecoregion XII: Southeastern Coastal Plain (PDF)(77 pp, 287 K, December 2000, EPA 822-B-00-013)
- Ecoregion XIII: Southern Florida Coastal Plain (PDF)(77 pp, 314 K, December 2000, EPA 822-B-00-014)
- Ecoregion XIV: Eastern Coastal Plain (PDF)(123 pp, 3 MB, December 2001, EPA 822-B-01-011)