What was found in Southwest Hbr's water
The level at the city's main supplier, the highest level anywhere in the city, the EPA limit for each, and where every figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Fluoride | 1010 µg/L 25% of the EPA limit 4000 µg/L Main supplier: SOUTHWEST HARBOR WATER & SEWER DISTRICT · 2,480 people · 2019 | 1/1 | SYR4 |
| Copper | 128 µg/L 9.8% of the EPA limit 1300 µg/L Main supplier: SOUTHWEST HARBOR WATER & SEWER DISTRICT · 2,480 people · 2019 | 1/1 | SYR4 |
| TTHM | 96.9 µg/L 121% of the EPA limit, at the 95th percentile of samples — 80 µg/L Main supplier: SOUTHWEST HARBOR WATER & SEWER DISTRICT · 2,480 people · 2019 | 1/1 | SYR4 |
| Chloroform | 69.4 µg/L No EPA limit set Main supplier: SOUTHWEST HARBOR WATER & SEWER DISTRICT · 2,480 people · 2017 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 61.9 µg/L 103% of the EPA limit, at the 95th percentile of samples — 60 µg/L Main supplier: SOUTHWEST HARBOR WATER & SEWER DISTRICT · 2,480 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 32.8 µg/L No EPA limit set Main supplier: SOUTHWEST HARBOR WATER & SEWER DISTRICT · 2,480 people · 2017 | 1/1 | SYR4 |
| Trichloroacetic Acid | 32.25 µg/L No EPA limit set Main supplier: SOUTHWEST HARBOR WATER & SEWER DISTRICT · 2,480 people · 2017 | 1/1 | SYR4 |
| Bromodichloromethane | 7.43 µg/L No EPA limit set Main supplier: SOUTHWEST HARBOR WATER & SEWER DISTRICT · 2,480 people · 2017 | 1/1 | SYR4 |
| Lead | 5.43 µg/L 36% of the EPA limit 15 µg/L Main supplier: SOUTHWEST HARBOR WATER & SEWER DISTRICT · 2,480 people · 2019 | 1/1 | SYR4 |
| Monochloroacetic Acid | 2.4 µg/L No EPA limit set Main supplier: SOUTHWEST HARBOR WATER & SEWER DISTRICT · 2,480 people · 2017 | 1/1 | SYR4 |
| Barium | 1.9 µg/L 0.1% of the EPA limit 2000 µg/L Main supplier: SOUTHWEST HARBOR WATER & SEWER DISTRICT · 2,480 people · 2019 | 1/1 | SYR4 |
| Combined Radium (-226 And -228) | 1.044 pCi/L 21% of the EPA limit 5 pCi/L Main supplier: SOUTHWEST HARBOR WATER & SEWER DISTRICT · 2,480 people · 2015 | 1/1 | SYR4 |
| Lead | 0.0021 mg/L 14% of the EPA limit 0.0150 mg/L Main supplier: SOUTHWEST HARBOR WATER & SEWER DISTRICT · 2,480 people · 2024 | 1/1 | LCR |
Water suppliers serving Southwest Hbr
| Supplier | Population served |
|---|---|
| SOUTHWEST HARBOR WATER & SEWER DISTRICT | 2,480 |
Frequently asked questions about Southwest Hbr tap water
Is Southwest Hbr tap water safe to drink?
EPA testing detected 13 contaminants in the water serving Southwest Hbr. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.
How many water suppliers serve Southwest Hbr?
1 public water supplier report drinking-water monitoring for Southwest Hbr, Maine to the EPA. Each is listed above with its population served.
What contaminants are in Southwest Hbr's water?
The contaminants EPA monitoring detected in Southwest Hbr include Fluoride, Copper, TTHM, Chloroform, Total Haloacetic Acids (HAA5). The full list, with the level at the main supplier and the data source, is in the table above.
Where does this data come from?
Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.