Aluminum
City Of Nevada City
Aluminum is a metal released from metal refineries and mining operations. Too much aluminum exposure can impair children's brain development.
70
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 125.6 ppb | 13 | 12 | ND - 278.2 ppb |
| 2019 | 130.6 ppb | 12 | 12 | 26.0 ppb - 252.0 ppb |
| 2020 | 42.4 ppb | 13 | 9 | ND - 141.0 ppb |
| 2021 | 23.8 ppb | 9 | 5 | ND - 92.4 ppb |
| 2022 | 44.2 ppb | 11 | 3 | ND - 300.0 ppb |
| 2023 | 12.3 ppb | 12 | 2 | ND - 81.0 ppb |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 600 ppb
The EWG Health Guideline of 600 ppb for aluminum was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to the brain and nervous system.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-01-03 | CA2910002_002_002-201801031012 | 128.9 ppb |
| 2018-02-07 | CA2910002_002_002-201802071133 | 92.8 ppb |
| 2018-03-05 | CA2910002_002_002-201803051130 | 40.3 ppb |
| 2018-04-05 | CA2910002_002_002-201804050950 | 35.4 ppb |
| 2018-05-07 | CA2910002_002_002-201805071100 | 84.7 ppb |
| 2018-06-12 | CA2910002_002_002-201806121245 | 159.5 ppb |
| 2018-07-10 | CA2910002_002_002-201807100905 | 96.8 ppb |
| 2018-08-01 | CA2910002_002_002-201808010750 | 266.4 ppb |
| 2018-09-10 | CA2910002_002_002-201809100920 | 113.6 ppb |
| 2018-10-04 | CA2910002_002_002-201810040810 | 278.2 ppb |
| 2018-10-09 | CA2910002_002_002-201810090815 | 196.6 ppb |
| 2018-11-30 | CA2910002_002_002-201811300800 | 140.1 ppb |
| 2018-12-12 | CA2910002_002_002-201812120825 | ND |
| 2019-01-14 | CA2910002_002_002-201901140745 | 69.9 ppb |
| 2019-02-08 | CA2910002_002_002-201902080905 | 26.0 ppb |
| 2019-03-11 | CA2910002_002_002-201903110910 | 116.5 ppb |
| 2019-05-20 | CA2910002_002_002-201905200850 | 165.5 ppb |
| 2019-06-05 | CA2910002_002_002-201906050730 | 215.8 ppb |
| 2019-07-17 | CA2910002_002_002-201907171015 | 226.0 ppb |
| 2019-08-20 | CA2910002_002_002-201908201215 | 252.0 ppb |
| 2019-09-09 | CA2910002_002_002-201909091040 | 228.9 ppb |
| 2019-10-22 | CA2910002_002_002-201910221055 | 72.2 ppb |
| 2019-11-04 | CA2910002_002_002-201911040930 | 93.7 ppb |
| 2019-11-18 | CA2910002_002_002-201911180920 | 64.3 ppb |
| 2019-12-09 | CA2910002_002_002-201912091115 | 35.9 ppb |
| 2020-01-07 | CA2910002_002_002-202001070930 | 65.9 ppb |
| 2020-02-06 | CA2910002_002_002-202002060900 | 27.0 ppb |
| 2020-03-04 | CA2910002_002_002-202003040900 | 80.2 ppb |
| 2020-04-01 | CA2910002_002_002-202004010900 | ND |
| 2020-05-04 | CA2910002_002_002-202005041100 | 65.4 ppb |
| 2020-06-04 | CA2910002_002_002-202006041200 | 57.3 ppb |
| 2020-07-06 | CA2910002_002_002-202007061000 | ND |
| 2020-08-03 | CA2910002_002_002-202008030830 | 141.0 ppb |
| 2020-09-02 | CA2910002_002_002-202009020800 | 27.4 ppb |
| 2020-10-05 | CA2910002_002_002-202010050900 | ND |
| 2020-11-04 | CA2910002_002_002-202011040900 | 60.2 ppb |
| 2020-12-07 | CA2910002_002_002-202012071100 | ND |
| 2020-12-14 | CA2910002_002_002-202012141100 | 27.1 ppb |
| 2021-01-04 | CA2910002_002_002-202101040900 | 13.8 ppb |
| 2021-02-10 | CA2910002_002_002-202102101000 | 79.1 ppb |
| 2021-03-03 | CA2910002_002_002-202103031100 | 13.1 ppb |
| 2021-04-12 | CA2910002_002_002-202104121200 | 16.0 ppb |
| 2021-05-10 | CA2910002_002_002-202105100800 | ND |
| 2021-06-02 | CA2910002_002_002-202106020900 | 92.4 ppb |
| 2021-07-12 | CA2910002_003_003-202107120900 | ND |
| 2021-10-07 | CA2910002_002_002-202110070800 | ND |
| 2021-11-04 | CA2910002_002_002-202111040800 | ND |
| 2022-01-12 | CA2910002_002_002-202201120800 | 100.0 ppb |
| 2022-02-07 | CA2910002_002_002-202202070800 | 86.0 ppb |
| 2022-03-07 | CA2910002_002_002-202203070800 | ND |
| 2022-04-07 | CA2910002_002_002-202204070800 | ND |
| 2022-05-04 | CA2910002_002_002-202205040800 | ND |
| 2022-06-06 | CA2910002_002_002-202206060800 | ND |
| 2022-08-08 | CA2910002_002_002-202208080800 | ND |
| 2022-08-25 | CA2910002_002_002-202208250800 | 300.0 ppb |
| 2022-09-06 | CA2910002_002_002-202209060800 | ND |
| 2022-09-07 | CA2910002_003_003-202209070800 | ND |
| 2022-11-07 | CA2910002_002_002-202211070800 | ND |
| 2023-01-12 | CA2910002_002_002-202301120800 | ND |
| 2023-03-09 | CA2910002_002_002-202303090800 | ND |
| 2023-04-05 | CA2910002_002_002-202304050800 | ND |
| 2023-05-03 | CA2910002_002_002-202305030800 | ND |
| 2023-06-07 | CA2910002_002_002-202306070800 | ND |
| 2023-07-06 | CA2910002_002_002-202307060800 | 66.7 ppb |
| 2023-08-02 | CA2910002_002_002-202308020800 | ND |
| 2023-09-06 | CA2910002_002_002-202309060800 | ND |
| 2023-10-04 | CA2910002_002_002-202310040800 | ND |
| 2023-11-01 | CA2910002_002_002-202311010800 | ND |
| 2023-11-13 | CA2910002_003_003-202311130800 | 81.0 ppb |
| 2023-12-04 | CA2910002_002_002-202312040800 | ND |