Lake (103)
Spring (105)
River (104)
Well (106)
Cat_1b_Streams_2020 (90)
Cat_4a_Streams_2020 (66)
Cat_4a_Lakes_2020 (77)
Cat_4b_2020 (79)
Cat_5alt_Lakes_2020 (82)
Cat_5alt_Streams_2020 (83)
Cat_5_Lakes_2020 (80)
Cat_5_Streams_2020 (81)
2022 303(d) list Category 1b (19)
2022 303(d) list Category 4a (20)
2022 303(d) list Category 4a Lakes (24)
2022 303(d) list Category 4b (21)
2022 303(d) list Category 5 (22)
2022 303(d) list Category 5 alt (23)
2022 303(d) list Category 5 Lakes (25)
2022 303(d) list Category 5 alt Lakes (26)
Fish Data (1)
Macroinvertebrates (2)
Mercury in Fish (3)
Mercury Advisory Rivers (4)
Mercury Advisory (Lakes) (5)
Mercury Advisory (Counties) (6)
NPDES (Active) (7)
Potential Losing Streams HUC12 (8)
ARR15 (107)
STAA (10)
State Permits Branch (Active) (11)
Environmental Improvement Projects (EIP) Streams (12)
Environmental Improvement Project (EIP) Lakes (13)
Extraordinary Resource Waters (ERW) Lakes (15)
Natural and Scenic Waterways (NSW) (18)
BASE_STREAMS_2025 (93)
BASE_LAKES_2025 (91)
ERW_streams (95)
ESW_streams (94)
ESW_Springs_Seeps (96)
Trout Streams (42)
Trout Lakes (97)
Use Attainability Analysis Segments (UAA) Streams (98)
DEQ Planning Segments (45)
ANRC Nutrient Surplus Areas (46)
| 11010001 |
| 11010003 |
| 11070206 |
| 11070208 |
| 11070209 |
| 11110103 |
| 11110104 |
| 11110105 |
| 11140108 |
ASWCC Nutrient Surplus areas (47)
Buffalo National River Watershed (48)
Lake Maumelle Watershed (49)
Engineering Institutional Controls (50)
NHD High Res Flowline (51)
| Artificial Path |
| Canal Ditch |
| Connector |
| Ephemeral |
| Intermittent |
| Perennial |
| Pipeline |
| Underground Conduit |
| <all other values> |
Counties (52)
Ecoregions (Omernik – Level 4 Based) (53)
| Ozark Highlands |
| Ouachita Mountains |
| Gulf Coastal Plain |
| Delta |
| Boston Mountains |
| Arkansas River Valley |
Ecoregions – Regulation No. 2 boundaries (54)
| Arkansas River Valley |
| Boston Mountains |
| Delta |
| Gulf Coastal Plain |
| Ouachita Mountains |
| Ozark Highlands |
Hydrologic Unit Code (HUC8) (55)
Hydrologic Unit Code (HUC12) (56)
Flow Direction (zoom in to see this layer) (61)
TNC_drastik_oz_ar.tif (62)
States_Merge (64)
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