| Arsenic | 0.7 ppb. average of all samples highest sample 0.7 ppb detected in 1 of 1 sample | 0.004 ppb (California OEHHA 2004) | 10 ppb | 175× the health guideline |
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| Bromodichloromethane | 4.14 ppb. average of all samples highest sample 4.96 ppb detected in 2 of 2 samples | 0.06 ppb (California OEHHA 2020) | Counts toward the 80 ppb limit for total trihalomethanes (TTHMs) | 69× the health guideline |
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| Chloroform | 17.1 ppb. average of all samples highest sample 19.4 ppb detected in 2 of 2 samples | 0.4 ppb (California OEHHA 2020) | Counts toward the 80 ppb limit for total trihalomethanes (TTHMs) | 43× the health guideline |
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| Dibromochloromethane | 0.94 ppb. average of all samples highest sample 1.88 ppb detected in 1 of 2 samples | 0.1 ppb (California OEHHA 2020) | Counts toward the 80 ppb limit for total trihalomethanes (TTHMs) | 9.4× the health guideline |
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| PFOS | 29 ppt. average of all samples highest sample 34.7 ppt detected in 2 of 2 samples | zero (EPA MCLG) | 4 ppt (from 2029) | Not above its guideline, or no guideline |
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| PFOA | 12.3 ppt. average of all samples highest sample 14.4 ppt detected in 2 of 2 samples | zero (EPA MCLG) | 4 ppt (from 2029) | Not above its guideline, or no guideline |
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| PFHxS | 7.6 ppt. average of all samples highest sample 9.1 ppt detected in 2 of 2 samples | 10 ppt (EPA MCLG) | 10 ppt (from 2029) | Not above its guideline, or no guideline |
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| Haloacetic acids (HAA5) | 19 ppb. average of all samples highest sample 52 ppb detected in 51 of 51 samples | None published | 60 ppb | Not above its guideline, or no guideline |
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| Total trihalomethanes (TTHMs) | 22.2 ppb. average of all samples highest sample 39 ppb detected in 51 of 51 samples | None published | 80 ppb | Not above its guideline, or no guideline |
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| Fluoride | 578 ppb. average of all samples highest sample 578 ppb detected in 2 of 2 samples |
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