| Total trihalomethanes (TTHMs) | 34.3 ppbaverage of all sampleshighest sample 42.2 ppbdetected in 4 of 4 samples | 80 ppb | None published | 2019-2022 |
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| Haloacetic acids (HAA5) | 25.5 ppbaverage of all sampleshighest sample 32.8 ppbdetected in 4 of 4 samples | 60 ppb | None published | 2019-2022 |
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| Fluoride* | 616 ppbaverage of all sampleshighest sample 927 ppbdetected in 8 of 8 samples | 4,000 ppb | None published | 2020 |
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| Nitrate* | 85.6 ppbaverage of all sampleshighest sample 680 ppbdetected in 13 of 20 samples | 10,000 ppb | None published | 2018-2022 |
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| Haloacetic acids (HAA9)* | 27.5 ppbaverage of all sampleshighest sample 52.9 ppbdetected in 22 of 22 samples | No federal limit | None published | 2018-2019 |
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| Aluminum* | 24.2 ppbaverage of all sampleshighest sample 57.8 ppbdetected in 2 of 4 samples | No federal limit | None published | 2020 |
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| Copper* | 18.6 ppbaverage of all sampleshighest sample 53.2 ppbdetected in 4 of 4 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 | 2020 |
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| Barium* | 5.65 ppbaverage of all sampleshighest sample 7.3 ppbdetected in 4 of 4 samples | 2,000 ppb | None published | 2020 |
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| Nitrite* | 4.7 ppbaverage of all sampleshighest sample 13 ppbdetected in 9 of 20 samples | 1,000 ppb | None published | 2018-2022 |
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| PFOA*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. | 3.71 pptaverage of all sampleshighest sample 9 pptdetected in 4 of 8 samples | 4 ppt | None published | 2024-2025 |
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| PFPeA* | 3.46 pptaverage of all sampleshighest sample 7.7 pptdetected in 4 of 8 samples | No federal limit | None published | 2024-2025 |
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| PFHxA* | 2.76 pptaverage of all sampleshighest sample 6.5 pptdetected in 4 of 8 samples | No federal limit | None published | 2024-2025 |
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| PFHxS*EPA set a limit in 2024 and proposed withdrawing it in May 2026. | 2.44 pptaverage of all sampleshighest sample 6.4 pptdetected in 4 of 8 samples | 10 ppt | None published | 2024-2025 |
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| PFBS* | 2.33 pptaverage of all sampleshighest sample 6.1 pptdetected in 4 of 8 samples | No federal limit | 2,000 ppt | 2024-2025 |
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| 6:2 FTSA* | 1.63 pptaverage of all sampleshighest sample 13 pptdetected in 1 of 8 samples | No federal limit | None published | 2024-2025 |
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| Gross alpha* | 0.99 pCi/Laverage of all sampleshighest sample 0.99 pCi/Ldetected in 1 of 1 sample | 15 pCi/L | None published | 2020 |
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| PFHpA* | 0.76 pptaverage of all sampleshighest sample 3.1 pptdetected in 2 of 8 samples | No federal limit | None published | 2024-2025 |
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| PFBA* | 0.63 pptaverage of all sampleshighest sample 5 pptdetected in 1 of 8 samples | No federal limit | None published | 2024-2025 |
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| Manganese* | 0.31 ppbaverage of all sampleshighest sample 0.68 ppbdetected in 4 of 8 samples | No federal limit | None published | 2018-2019 |
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| Simazine* | 0.0035 ppbaverage of all sampleshighest sample 0.04 ppbdetected in 1 of 11 samples | 4 ppb | None published | 2020 |
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| Atrazine* | 0.0013 ppbaverage of all sampleshighest sample 0.01 ppbdetected in 1 of 11 samples | 3 ppb | None published | 2020 |
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| Uranium* | 0.48 ppbaverage of all sampleshighest sample 0.48 ppbdetected in 1 of 1 sample | 30 ppb | None published | 2019 |
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| Radium-226 + Radium-228* | 0.21 pCi/Lsum of the radium-226 and radium-228 averages | 5 pCi/L | None published | 2018-2022 |
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| Radium-226* | 0.17 pCi/Laverage of all sampleshighest sample 0.67 pCi/Ldetected in 2 of 5 samples | Counts toward the combined 5 pCi/L limit for radium-226 and radium-228 | None published | 2018-2022 |
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