Water Quality Monitoring Station (0)
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 (9)
STAA (10)
State Permits Branch (Active) (11)
Environmental Improvement Projects (EIP) Streams (12)
Environmental Improvement Project (EIP) Lakes (13)
Extraordinary Resource Waters (ERW) Segments (14)
Extraordinary Resource Waters (ERW) Lakes (15)
Ecologically Sensitive Waterbodies (ESW-Streams) (16)
Ecologically Sensitive Waterbodies (ESW-Springs & Seeps) (17)
Natural and Scenic Waterways (NSW) (18)
2022 303(d) list Category 1b Draft (19)
2022 303(d) list Category 4a Draft (20)
2022 303(d) list Category 4b Draft (21)
2022 303(d) list Category 5 Draft (22)
2022 303(d) list Category 5 alt Draft (23)
2022 303(d) list Category 4a Lakes Draft (24)
2022 303(d) list Category 5 Lakes Draft (25)
2022 303(d) list Category 5 alt Lakes Draft (26)
2020 303(d) list Category 4a Draft (27)
2020 303(d) list Category 4b Draft (28)
2020 303(d) list Category 5 Draft (29)
2020 303(d) list Category 5 alt Draft (30)
2020 303(d) list Category 4a Lakes Draft (31)
2020 303(d) list Category 5 Lakes Draft (32)
2020 303(d) list Category 5 alt Lakes Draft (33)
2018 303(d) list Category 1b (34)
2018 303(d) list Category 4a (35)
2018 303(d) list Category 4b (36)
2018 303(d) list Category 5 (37)
2018 303(d) list Category 5 alt (38)
2018 303(d) list Category 4a Lakes (39)
2018 303(d) list Category 5 Lakes (40)
2018 303(d) list Category 5 alt Lakes (41)
Trout Streams (42)
Trout Lakes (43)
Use Attainability Analysis Segments (UAA) (44)
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)
| <all other values> |
| Artificial Path |
| Canal Ditch |
| Connector |
| Ephemeral |
| Intermittent |
| Perennial |
| Pipeline |
| Underground Conduit |
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)
NHD DEQ Base Lakes 2020 (57)
NHD ADEQ Base Water Layer 2020 (58)
NHD ADEQ Base Lakes Layer 2022 (59)
NHD ADEQ Base Streams Layer 2022 (60)
Flow Direction (zoom in to see this layer) (61)
TNC_drastik_oz_ar.tif (62)
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