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Legend (MDE_WSA/Final_TMDL_IR_MAP_2020_2022)

IR - Water Contact Recreation Bacteria Point Source (2)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
3-Insufficient Information 3-Insufficient Information
4a-Impaired, TMDL Complete 4a-Impaired, TMDL Complete
IR - Bacteria- Streams (3)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
3-Insufficient Information 3-Insufficient Information
4a-Impaired, TMDL Complete 4a-Impaired, TMDL Complete
5-Impaired, TMDL Needed 5-Impaired, TMDL Needed
IR - Bacteria- Impoundments (4)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Water Contact Recreation Bacteria- Tidal Water (5)
4a-Impaired, TMDL Complete 4a-Impaired, TMDL Complete
5-Impaired, TMDL Needed 5-Impaired, TMDL Needed
IR - Shellfish Harvesting Bacteria- Tidal Water (6)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
4a-Impaired, TMDL Complete 4a-Impaired, TMDL Complete
5-Impaired, TMDL Needed 5-Impaired, TMDL Needed
TMDL- Ecoli - Streams (8)
TMDL - Enterococci- Streams (9)
TMDL - Enterococci - Tidal Water (10)
TMDL - Fecal Coliform Shellfish Harvesting - Tidal Water (11)
Mainstem Mainstem
Tributary Tributary
IR - Biological - Streams (14)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
3-Insufficient Information 3-Insufficient Information
5-Impaired, TMDL Needed 5-Impaired, TMDL Needed
IR - Biological - Tidal Water (15)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
3-Insufficient Information 3-Insufficient Information
5-Impaired, TMDL Needed 5-Impaired, TMDL Needed
IR - Chlorides - Streams (18)
5s-Impaired, Chloride From Road Salt 5s-Impaired, Chloride From Road Salt
IR - Sulfates - Streams (19)
5-Impaired, TMDL Needed 5-Impaired, TMDL Needed
IR - Aluminum - Streams (23)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
4a-Impaired, TMDL Complete 4a-Impaired, TMDL Complete
TMDL - Aluminum - Streams (25)
IR - Arsenic - Streams (28)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Arsenic - Impoundments (29)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Arsenic - Tidal Water (30)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Cadmium - Streams (33)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Cadmium - Impoundments (34)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Cadmium - Tidal Water (35)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Chromium - Streams (38)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Chromium - Impoundments (39)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Chromium - Tidal Water (40)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Copper Point Sources - Tidal Water (43)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
4b-Impaired, Technology Solution Initiated 4b-Impaired, Technology Solution Initiated
IR - Copper - Streams (44)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Copper - Impoundments (45)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Copper - Tidal Water (46)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Iron - Streams (49)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
4a-Impaired, TMDL Complete 4a-Impaired, TMDL Complete
TMDL - Iron - Streams (51)
IR - Lead - Streams (54)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Lead - Impoundments (55)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Lead - Tidal Water (56)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
5-Impaired, TMDL Needed 5-Impaired, TMDL Needed
IR - Manganese - Streams (59)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Mercury - Streams (62)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
3-Insufficient Information 3-Insufficient Information
5-Impaired, TMDL Needed 5-Impaired, TMDL Needed
IR - Mercury - Impoundments (63)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
4a-Impaired, TMDL Complete 4a-Impaired, TMDL Complete
5-Impaired, TMDL Needed 5-Impaired, TMDL Needed
IR - Mercury - Tidal Water (64)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
3-Insufficient Information 3-Insufficient Information
TMDL - Mercury - Impoundments (66)
IR - Nickel Point Sources - Tidal Water (69)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Nickel - Streams (70)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Nickel - Impoundments (71)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Nickel - Tidal Water (72)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Silver - Streams (75)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Silver - Tidal Water (76)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Zinc - Streams (79)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Zinc - Impoundments (80)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Zinc - Tidal Water (81)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
5-Impaired, TMDL Needed 5-Impaired, TMDL Needed
IR - BOD - Streams (85)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
4a-Impaired, TMDL Complete 4a-Impaired, TMDL Complete
IR - BOD - Tidal Water (86)
4a-Impaired, TMDL Complete 4a-Impaired, TMDL Complete
TMDL - BOD - Streams (88)
TMDL - BOD - Tidal Water (89)
IR - Chlorophyll a - Impoundments (92)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
4a-Impaired, TMDL Complete 4a-Impaired, TMDL Complete
5-Impaired, TMDL Needed 5-Impaired, TMDL Needed
IR - Nitrogen - Streams (95)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
3-Insufficient Information 3-Insufficient Information
4a-Impaired, TMDL Complete 4a-Impaired, TMDL Complete
IR - Nitrogen - Impoundments (96)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Nitrogen - Tidal Water (97)
3-Insufficient Information 3-Insufficient Information
4a-Impaired, TMDL Complete 4a-Impaired, TMDL Complete
TMDL - Nitrogen - Streams (99)
TMDL - Nitrogen - Tidal Water (100)
IR - Phosphorus - Streams (103)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
3-Insufficient Information 3-Insufficient Information
4a-Impaired, TMDL Complete 4a-Impaired, TMDL Complete
5-Impaired, TMDL Needed 5-Impaired, TMDL Needed
IR - Phosphorus - Impoundments (104)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
3-Insufficient Information 3-Insufficient Information
4a-Impaired, TMDL Complete 4a-Impaired, TMDL Complete
5-Impaired, TMDL Needed 5-Impaired, TMDL Needed
IR - Phosphorus _ Tidal Water (105)
3-Insufficient Information 3-Insufficient Information
4a-Impaired, TMDL Complete 4a-Impaired, TMDL Complete
TMDL - Phosphorus - Streams (107)
TMDL - Phosphorus - Impoundments (108)
TMDL - Phosphorus - Tidal Water (109)
IR - Benzo(a)pyrene - Streams (112)
3-Insufficient Information 3-Insufficient Information
IR - PCBs - Streams (115)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
4a-Impaired, TMDL Complete 4a-Impaired, TMDL Complete
5-Impaired, TMDL Needed 5-Impaired, TMDL Needed
IR - PCBs - Impoundments (116)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
4a-Impaired, TMDL Complete 4a-Impaired, TMDL Complete
5-Impaired, TMDL Needed 5-Impaired, TMDL Needed
IR - PCBs - Tidal Water (117)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
3-Insufficient Information 3-Insufficient Information
4a-Impaired, TMDL Complete 4a-Impaired, TMDL Complete
5-Impaired, TMDL Needed 5-Impaired, TMDL Needed
TMDL - PCBs - Streams (119)
TMDL - PCBs - Impoundments (120)
TMDL - PCBs - Tidal Water (121)
IR - Chlordane - Streams (125)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Chlordane - Impoundments (126)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Chlordane - Tidal Water (127)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
4a-Impaired, TMDL Complete 4a-Impaired, TMDL Complete
TMDL - Chlordane - Impoundments (129)
TMDL - Chlordane - Tidal Water (130)
IR - Chlorpyrifos - Tidal Water (133)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Hepachlor Epoxide - Streams (136)
5-Impaired, TMDL Needed 5-Impaired, TMDL Needed
IR - Hepachlor Epoxide - Tidal Water (137)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
5-Impaired, TMDL Needed 5-Impaired, TMDL Needed
IR - PFOS in Fish Tissue - Streams (140)
5-Impaired, TMDL Needed 5-Impaired, TMDL Needed
IR - PFOS in Fish Tissue - Tidal Water (141)
5-Impaired, TMDL Needed 5-Impaired, TMDL Needed
IR - pH Low - Streams (144)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
3-Insufficient Information 3-Insufficient Information
4a-Impaired, TMDL Complete 4a-Impaired, TMDL Complete
4b-Impaired, Technology Solution Initiated 4b-Impaired, Technology Solution Initiated
5-Impaired, TMDL Needed 5-Impaired, TMDL Needed
IR - pH High - Streams (145)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
3-Insufficient Information 3-Insufficient Information
5-Impaired, TMDL Needed 5-Impaired, TMDL Needed
TMDL - pH - Streams (147)
IR - Sediments - Streams (150)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
4a-Impaired, TMDL Complete 4a-Impaired, TMDL Complete
5-Impaired, TMDL Needed 5-Impaired, TMDL Needed
IR - Sediments - Impoundments (151)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
3-Insufficient Information 3-Insufficient Information
4a-Impaired, TMDL Complete 4a-Impaired, TMDL Complete
IR - Sediments - Tidal Water (152)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
3-Insufficient Information 3-Insufficient Information
4a-Impaired, TMDL Complete 4a-Impaired, TMDL Complete
TMDL - Sediments - Streams (154)
TMDL - Sediments - Impoundments (155)
TMDL - Sediments - Tidal Water (156)
IR - Habitat Alterations - Streams (159)
4c-Impaired, Non Conventional Pollutant 4c-Impaired, Non Conventional Pollutant
IR - Lack of Riparian Buffer - Streams (160)
4c-Impaired, Non Conventional Pollutant 4c-Impaired, Non Conventional Pollutant
IR - Flow Alteration - Tidal Water (161)
4c-Impaired, Non Conventional Pollutant 4c-Impaired, Non Conventional Pollutant
IR - Temperature - Streams (164)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
3-Insufficient Information 3-Insufficient Information
5-Impaired, TMDL Needed 5-Impaired, TMDL Needed
IR - Ammonia - Streams (168)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Cyanide Point Sources - Tidal Water (170)
4b-Impaired, Technology Solution Initiated 4b-Impaired, Technology Solution Initiated
IR - Cyanide - Streams (171)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Oil Spill - Tidal Water (173)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
4b-Impaired, Technology Solution Initiated 4b-Impaired, Technology Solution Initiated
IR - Selenium - Streams (175)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Selenium - Impoundments (176)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Selenium - Tidal Water (177)
2-Meets Water Quality Criterion 2-Meets Water Quality Criterion
IR - Toxicity - Tidal Water (179)
5-Impaired, TMDL Needed 5-Impaired, TMDL Needed
IR - Trash - Streams (182)
4a-Impaired, TMDL Complete 4a-Impaired, TMDL Complete
IR - Patapsco Trash - Tidal Water (183)
4a-Impaired, TMDL Complete 4a-Impaired, TMDL Complete
IR - Floating Debris - Impoundments (184)
3-Insufficient Information 3-Insufficient Information
IR - Contact Recreation Trash - Tidal Water (185)
4a-Impaired, TMDL Complete 4a-Impaired, TMDL Complete
TMDL - Trash - Streams (187)
TMDL - Trash - Tidal Water (188)