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City of Gas reports lead and copper in drinking water well below action levels
Summary
Council minutes show the city's triennial lead and copper monitoring found 90th-percentile results of lead 0.0034 mg/L and copper 0.0640 mg/L, both far below action levels, and the council recorded no exceedances.
The City of Gas reported its triennial lead and copper monitoring results at the Oct. 14 council meeting, showing no exceedances of regulatory action levels. The calculated 90th-percentile concentration for lead was 0.0034 mg/L, and for copper it was 0.0640 mg/L; the minutes record the applicable action levels as 0.15 mg/L for lead and 1.3 mg/L for copper.
The monitoring was conducted on the city's drinking-water system as part of routine compliance sampling. The council's record notes the system's 90th-percentile values specifically and states that the city did not exceed the listed action levels during the triennial testing period. The minutes do not identify which staff member presented the data at the meeting.
For residents, the 90th-percentile metric means the vast majority of sampled sites measured concentrations at or below the reported values; the council did not record any follow-up actions or exceedance notifications tied to this report. No additional sampling schedule or remediation steps were listed in the meeting summary.
