| Fluoride | 666 ppbaverage of all sampleshighest sample 710 ppbdetected in 5 of 5 samples | 4,000 ppb | None published | 2018-2022 |
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| Nitrate | 95 ppbaverage of all sampleshighest sample 170 ppbdetected in 5 of 6 samples | 10,000 ppb | None published | 2018-2022 |
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| Total trihalomethanes (TTHMs) | 42.2 ppbaverage of all sampleshighest sample 71.8 ppbdetected in 240 of 240 samples | 80 ppb | None published | 2018-2022 |
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| Haloacetic acids (HAA9) | 29.1 ppbaverage of all sampleshighest sample 43.1 ppbdetected in 48 of 48 samples | No federal limit | None published | 2019 |
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| Haloacetic acids (HAA5) | 25.4 ppbaverage of all sampleshighest sample 47.2 ppbdetected in 240 of 240 samples | 60 ppb | None published | 2018-2022 |
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| Barium | 13.9 ppbaverage of all sampleshighest sample 15.2 ppbdetected in 5 of 5 samples | 2,000 ppb | None published | 2018-2022 |
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| Chromium (total) | 2.52 ppbaverage of all sampleshighest sample 3.7 ppbdetected in 5 of 5 samples | 100 ppb | None published | 2018-2022 |
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| Manganese | 2 ppbaverage of all sampleshighest sample 2 ppbdetected in 1 of 1 sample | No federal limit | None published | 2020 |
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| Radium-226 | 1.7 pCi/Laverage of all sampleshighest sample 1.7 pCi/Ldetected in 1 of 1 sample | Counts toward the combined 5 pCi/L limit for radium-226 and radium-228 | None published | 2020 |
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| Selenium | 0.24 ppbaverage of all sampleshighest sample 1.2 ppbdetected in 1 of 5 samples | 50 ppb | None published | 2018-2022 |
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| Uranium | 0.22 ppbaverage of all sampleshighest sample 0.22 ppbdetected in 1 of 1 sample | 30 ppb | None published | 2020 |
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| Aluminum* | 15 ppbaverage of all sampleshighest sample 55 ppbdetected in 8 of 11 samples | No federal limit | None published | 2018-2022 |
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| Nitrite* | 7.81 ppbaverage of all sampleshighest sample 150 ppbdetected in 3 of 36 samples | 1,000 ppb | None published | 2018-2022 |
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| Trichloroacetic acid* | 2.88 ppbaverage of all sampleshighest sample 5.76 ppbdetected in 1 of 2 samples | Counts toward the 60 ppb limit for haloacetic acids (HAA5) | None published | 2020 |
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| Dichloroacetic acid* | 2.61 ppbaverage of all sampleshighest sample 5.21 ppbdetected in 1 of 2 samples | Counts toward the 60 ppb limit for haloacetic acids (HAA5) | None published | 2020 |
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| Dibromoacetic acid* | 0.77 ppbaverage of all sampleshighest sample 1.54 ppbdetected in 1 of 2 samples | Counts toward the 60 ppb limit for haloacetic acids (HAA5) | None published | 2020 |
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| Radium-226 + Radium-228* | 0.61 pCi/Lsum of the radium-226 and radium-228 averages | 5 pCi/L | None published | 2018-2022 |
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| Monobromoacetic acid* | 0.29 ppbaverage of all sampleshighest sample 0.58 ppbdetected in 1 of 2 samples | Counts toward the 60 ppb limit for haloacetic acids (HAA5) | None published | 2020 |
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| Copper* | 0.03 ppbaverage of all sampleshighest sample 0.9 ppbdetected in 2 of 35 samplesMeasured where water enters the distribution system, not at the tap. EPA's action level applies to tap samples. | 1,300 ppb (EPA action level, 90th percentile) | None published | 2018-2022 |
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| Gross alpha* | 0.6 pCi/Laverage of all sampleshighest sample 0.6 pCi/Ldetected in 1 of 1 sample | 15 pCi/L | None published | 2022 |
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| PFPeA* | 0.78 pptaverage of all sampleshighest sample 3.1 pptdetected in 1 of 4 samples | No federal limit | None published | 2023-2024 |
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| PFOS*EPA's 2024 rule sets a limit of 4.0 ppt; water systems must meet it by April 2029. In May 2026 EPA proposed allowing extensions to April 2031. EPA's goal (MCLG) is zero. | 0.21 pptaverage of all sampleshighest sample 5.9 pptdetected in 1 of 28 samples | 4 ppt | None published | 2024-2025 |
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| PFBS* | 0.11 pptaverage of all sampleshighest sample 3 pptdetected in 1 of 28 samples | No federal limit | 2,000 ppt | 2024-2025 |
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