Vermillion (SD) Water Quality Vermillion is a large public water system in EPA region 8 that provides tap water for the 57069 zip codes. It has 3 facilities where the water supply was tested for 65 chemical contaminants that impact tap water quality and human health.
The maximum reported level of HAA5 (five regulated haloacetic acids) was 3.46 µg/L. The maximum reported level of Manganese was 3.5 µg/L. There were 2 contamintants found in the Vermillion water supply at levels that were above the minimum reporting level.
Contaminants Jump To Contaminant 1,1-dichloroethane (2) 1,2,3-trichloropropane (2) 1,3-butadiene (2) 1,4-dioxane (2) 1-butanol (2) 11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (2) 1H,1H,2H,2H-perfluorodecane sulfonic acid (2) 1H,1H,2H,2H-perfluorohexane sulfonic acid (2) 1H,1H,2H,2H-perfluorooctane sulfonic acid (2) 2-methoxyethanol (2) 2-propen-1-ol (Allyl Alcohol) (2) 4,8-dioxa-3H-perfluorononanoic acid (2) 9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (2) alpha-hexachlorocyclohexane (2) bromochloromethane (Halon 1011) (2) bromomethane (2) Butylated Hydroxyanisole (2) chlorate (4) chlorodifluoromethane (HCFC-22) (2) chloromethane (2) chlorpyrifos (2) chromium (4) chromium-6 (4) cobalt (4) dimethipin (2) ethoprop (2) Germanium (1) HAA5 (five regulated haloacetic acids) (8) HAA6Br (six brominated haloacetic acids) (8) HAA9 (nine haloacetic acids) (8) hexafluoropropylene oxide dimer acid (GenX) (2) lithium (2) Manganese (1) molybdenum (4) N-ethyl perfluorooctanesulfonamidoacetic acid (2) N-methyl perfluorooctanesulfonamidoacetic acid (2) nonafluoro-3,6-dioxaheptanoic acid (2) o-toluidine (2) oxyfluorfen (2) perfluoro(2-ethoxyethane)sulfonic acid (2) perfluoro-3-methoxypropanoic acid (2) perfluoro-4-methoxybutanoic acid (2) perfluorobutanesulfonic acid (4) perfluorobutanoic acid (2) perfluorodecanoic acid (2) perfluorododecanoic acid (2) perfluoroheptanesulfonic acid (2) perfluoroheptanoic acid (4) perfluorohexanesulfonic acid (4) perfluorohexanoic acid (2) perfluorononanoic acid (4) perfluorooctanesulfonic acid (4) perfluorooctanoic acid (4) perfluoropentanesulfonic acid (2) perfluoropentanoic acid (2) perfluorotetradecanoic acid (2) perfluorotridecanoic acid (2) perfluoroundecanoic acid (2) profenofos (2) quinoline (2) strontium (4) tebuconazole (2) Total Permethrin (2) tribufos (2) vanadium (4)
Tap - Entry Point
<0.03 µg/L
Below Reporting Level
Tap - Entry Point
<0.03 µg/L
Below Reporting Level
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Tap - Entry Point
<0.03 µg/L
Below Reporting Level
Tap - Entry Point
<0.03 µg/L
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Tap - Entry Point
<0.1 µg/L
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Tap - Entry Point
<0.1 µg/L
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Tap - Entry Point
<0.07 µg/L
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Tap - Entry Point
<0.07 µg/L
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Entry Point Tap
<2 µg/L
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<2 µg/L
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Entry Point Tap
<0.005 µg/L
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<0.005 µg/L
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<0.005 µg/L
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<0.005 µg/L
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Entry Point Tap
<0.003 µg/L
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<0.003 µg/L
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Entry Point Tap
<0.005 µg/L
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<0.005 µg/L
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<0.4 µg/L
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<0.4 µg/L
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Entry Point Tap
<0.5 µg/L
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<0.5 µg/L
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Entry Point Tap
<0.003 µg/L
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<0.003 µg/L
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Entry Point Tap
<0.002 µg/L
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Entry Point Tap
<0.002 µg/L
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Entry Point Tap
<0.01 µg/L
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<0.01 µg/L
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Tap - Entry Point
<0.06 µg/L
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Tap - Entry Point
<0.06 µg/L
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Tap - Entry Point
<0.2 µg/L
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Tap - Entry Point
<0.2 µg/L
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Entry Point Tap
<0.03 µg/L
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<0.03 µg/L
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Tap - Entry Point
27.1 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 7.1 µg/L
Max. Res. Time in Dist. System
26.7 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 6.7 µg/L
Tap - Entry Point
<20 µg/L
Below Reporting Level
Max. Res. Time in Dist. System
<20 µg/L
Below Reporting Level
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Tap - Entry Point
<0.08 µg/L
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Tap - Entry Point
<0.08 µg/L
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Tap - Entry Point
<0.2 µg/L
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Tap - Entry Point
<0.2 µg/L
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Entry Point Tap
<0.03 µg/L
Below Reporting Level
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<0.03 µg/L
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Tap - Entry Point
0.4 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.2 µg/L
Max. Res. Time in Dist. System
<0.2 µg/L
Below Reporting Level
Max. Res. Time in Dist. System
0.8 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.6 µg/L
Tap - Entry Point
0.5 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.3 µg/L
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Tap - Entry Point
0.465 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.435 µg/L
Max. Res. Time in Dist. System
0.191 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.161 µg/L
Max. Res. Time in Dist. System
0.395 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.365 µg/L
Tap - Entry Point
0.355 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.325 µg/L
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Tap - Entry Point
<1 µg/L
Below Reporting Level
Max. Res. Time in Dist. System
<1 µg/L
Below Reporting Level
Tap - Entry Point
<1 µg/L
Below Reporting Level
Max. Res. Time in Dist. System
<1 µg/L
Below Reporting Level
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Entry Point Tap
<0.2 µg/L
Below Reporting Level
Entry Point Tap
<0.2 µg/L
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Entry Point Tap
<0.03 µg/L
Below Reporting Level
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<0.03 µg/L
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<0.3 µg/L
Below Reporting Level
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1932 Oscar Howe
3.46 µg/L
Meets Reporting Threshold
25 Center
1.6 µg/L
Meets Reporting Threshold
840 N. Crawford
1.4 µg/L
Meets Reporting Threshold
1530 S. Dakota St.
0.89 µg/L
Meets Reporting Threshold
1932 Oscar Howe
2.73 µg/L
Meets Reporting Threshold
25 Center
2.35 µg/L
Meets Reporting Threshold
840 N. Crawford
2.22 µg/L
Meets Reporting Threshold
1530 S. Dakota St.
2.06 µg/L
Meets Reporting Threshold
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1932 Oscar Howe
12.03 µg/L
840 N. Crawford
4.35 µg/L
1530 S. Dakota St.
1.68 µg/L
1932 Oscar Howe
1.53 µg/L
1530 S. Dakota St.
1.47 µg/L
840 N. Crawford
1.27 µg/L
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1932 Oscar Howe
12.39 µg/L
840 N. Crawford
4.35 µg/L
1530 S. Dakota St.
1.68 µg/L
1932 Oscar Howe
3.43 µg/L
840 N. Crawford
2.87 µg/L
1530 S. Dakota St.
2.77 µg/L
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Entry Point Tap
<0.005 µg/L
Below Reporting Level
Entry Point Tap
<0.005 µg/L
Below Reporting Level
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Entry Point Tap
440 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 431 µg/L
Entry Point Tap
430 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 421 µg/L
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Entry Point Tap
3.5 µg/L
Meets Reporting Threshold
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Max. Res. Time in Dist. System
5.8 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 4.8 µg/L
Tap - Entry Point
5.7 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 4.7 µg/L
Tap - Entry Point
5.5 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 4.5 µg/L
Max. Res. Time in Dist. System
5.2 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 4.2 µg/L
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Entry Point Tap
<0.005 µg/L
Below Reporting Level
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<0.005 µg/L
Below Reporting Level
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<0.006 µg/L
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<0.006 µg/L
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Entry Point Tap
<0.02 µg/L
Below Reporting Level
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<0.02 µg/L
Below Reporting Level
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Entry Point Tap
0.0092 µg/L
⚠️ Exceeds Reporting Level of 0.007 µg/L by 0.0022 µg/L
Entry Point Tap
<0.007 µg/L
Below Reporting Level
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Entry Point Tap
<0.05 µg/L
Below Reporting Level
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<0.05 µg/L
Below Reporting Level
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<0.003 µg/L
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<0.003 µg/L
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Entry Point Tap
<0.004 µg/L
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Entry Point Tap
<0.004 µg/L
Below Reporting Level
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Entry Point Tap
<0.003 µg/L
Below Reporting Level
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<0.003 µg/L
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Entry Point Tap
<0.003 µg/L
Below Reporting Level
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<0.003 µg/L
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Tap - Entry Point
<0.09 µg/L
Below Reporting Level
Tap - Entry Point
<0.09 µg/L
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Entry Point Tap
<0.005 µg/L
Below Reporting Level
Entry Point Tap
<0.005 µg/L
Below Reporting Level
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Entry Point Tap
<0.003 µg/L
Below Reporting Level
Entry Point Tap
<0.003 µg/L
Below Reporting Level
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Entry Point Tap
<0.003 µg/L
Below Reporting Level
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<0.003 µg/L
Below Reporting Level
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Entry Point Tap
<0.003 µg/L
Below Reporting Level
Entry Point Tap
<0.003 µg/L
Below Reporting Level
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Entry Point Tap
<0.003 µg/L
Below Reporting Level
Entry Point Tap
<0.003 µg/L
Below Reporting Level
Tap - Entry Point
<0.01 µg/L
Below Reporting Level
Tap - Entry Point
<0.01 µg/L
Below Reporting Level
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Entry Point Tap
<0.003 µg/L
Below Reporting Level
Entry Point Tap
<0.003 µg/L
Below Reporting Level
Tap - Entry Point
<0.03 µg/L
Below Reporting Level
Tap - Entry Point
<0.03 µg/L
Below Reporting Level
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Entry Point Tap
<0.003 µg/L
Below Reporting Level
Entry Point Tap
<0.003 µg/L
Below Reporting Level
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Entry Point Tap
<0.004 µg/L
Below Reporting Level
Entry Point Tap
<0.004 µg/L
Below Reporting Level
Tap - Entry Point
<0.02 µg/L
Below Reporting Level
Tap - Entry Point
<0.02 µg/L
Below Reporting Level
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Entry Point Tap
<0.004 µg/L
Below Reporting Level
Entry Point Tap
<0.004 µg/L
Below Reporting Level
Tap - Entry Point
<0.04 µg/L
Below Reporting Level
Tap - Entry Point
<0.04 µg/L
Below Reporting Level
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Entry Point Tap
<0.004 µg/L
Below Reporting Level
Entry Point Tap
<0.004 µg/L
Below Reporting Level
Tap - Entry Point
<0.02 µg/L
Below Reporting Level
Tap - Entry Point
<0.02 µg/L
Below Reporting Level
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Entry Point Tap
<0.004 µg/L
Below Reporting Level
Entry Point Tap
<0.004 µg/L
Below Reporting Level
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Entry Point Tap
<0.003 µg/L
Below Reporting Level
Entry Point Tap
<0.003 µg/L
Below Reporting Level
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Entry Point Tap
<0.008 µg/L
Below Reporting Level
Entry Point Tap
<0.008 µg/L
Below Reporting Level
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Entry Point Tap
<0.007 µg/L
Below Reporting Level
Entry Point Tap
<0.007 µg/L
Below Reporting Level
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Entry Point Tap
<0.002 µg/L
Below Reporting Level
Entry Point Tap
<0.002 µg/L
Below Reporting Level
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Entry Point Tap
<0.3 µg/L
Below Reporting Level
Entry Point Tap
<0.3 µg/L
Below Reporting Level
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Entry Point Tap
<0.02 µg/L
Below Reporting Level
Entry Point Tap
<0.02 µg/L
Below Reporting Level
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Tap - Entry Point
1200 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 1199.7 µg/L
Max. Res. Time in Dist. System
1040 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 1039.7 µg/L
Tap - Entry Point
1260 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 1259.7 µg/L
Max. Res. Time in Dist. System
1130 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 1129.7 µg/L
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Entry Point Tap
<0.2 µg/L
Below Reporting Level
Entry Point Tap
<0.2 µg/L
Below Reporting Level
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Entry Point Tap
<0.04 µg/L
Below Reporting Level
Entry Point Tap
<0.04 µg/L
Below Reporting Level
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Entry Point Tap
<0.07 µg/L
Below Reporting Level
Entry Point Tap
<0.07 µg/L
Below Reporting Level
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Max. Res. Time in Dist. System
0.8 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.6 µg/L
Tap - Entry Point
0.2 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0 µg/L
Max. Res. Time in Dist. System
0.3 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.1 µg/L
Tap - Entry Point
<0.2 µg/L
Below Reporting Level
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Sampling Facilities Treatment Plant
Ground Water (GW) Entry Point TapEntry Point to the Distribution System (EP)
Tap - Entry PointEntry Point to the Distribution System (EP)
Distribution System
Ground Water (GW) 840 N. CrawfordDistribution System (DS)
1932 Oscar HoweDistribution System (DS)
1530 S. Dakota St.Distribution System (DS)
25 CenterDistribution System (DS)
Distribution System
Ground Water (GW) Max. Res. Time in Dist. SystemMaximum Residence Time (MR)
FAQ Is Vermillion tap water safe to drink? When was Vermillion last tested for water contamination? The latest water samples were taken on May 6th, 2025.
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