This is a rebuild of Drinking Water Watch and not yet the official record. Use the agency’s current Drinking Water Watch for anything you need to rely on.
Chemical and radiological sample results
MS0240251 , Ridgecrest Estates
36 of the 72 analytes this system has been tested for have been detected at least once, across 156 samples on record.
The other 36 were tested for and never found. An analyte is counted here if any result on record measured it, so this covers the whole history and not the samples listed below.
Across all 156 samples on record, detections range from December 12, 2000 to February 11, 2025. These figures cover the whole record.
What counts as a non-detect is defined in the help: Less than Indicator. This system’s violations.
What has been detected, ever
Every analyte measured above its reporting level at any point in this system’s record, most often detected first. This is not limited to the samples listed below.
| Analyte | Kind | Detected in | First detected | Last detected |
|---|---|---|---|---|
| Copper, Free 1022 | Inorganic Chemical | 67 of 67 results | Dec 12, 2000 | Aug 21, 2024 |
| Lead 1030 | Inorganic Chemical | 28 of 67 results | Dec 12, 2000 | Aug 21, 2024 |
| Barium 1010 | Inorganic Chemical | 10 of 10 results | Sep 15, 2003 | Feb 11, 2025 |
| Fluoride 1025 | Inorganic Chemical | 10 of 11 results | Sep 15, 2003 | Feb 11, 2025 |
| Total Haloacetic Acids (Haa5) 2456 | Organic Chemical | 7 of 8 results | Jun 7, 2004 | Apr 9, 2024 |
| TTHM 2950 | Organic Chemical | 7 of 7 results | Jun 7, 2004 | Apr 9, 2024 |
| Chromium 1020 | Inorganic Chemical | 5 of 10 results | Sep 15, 2003 | Mar 9, 2015 |
| Sodium 1052 | Inorganic Chemical | 4 of 4 results | Jul 12, 2017 | Feb 12, 2024 |
| Chloroform 2941 | Organic Chemical | 4 of 4 results | Jul 30, 2007 | Sep 24, 2014 |
| Sulfate 1055 | Inorganic Chemical | 3 of 3 results | Sep 15, 2003 | Jul 12, 2017 |
| Bromodichloromethane 2943 | Organic Chemical | 3 of 4 results | Jul 30, 2007 | Sep 24, 2014 |
| Xylenes, Total 2955 | Organic Chemical | 2 of 23 results | Aug 19, 2013 | Feb 3, 2014 |
| Dichloroacetic Acid 2451 | Organic Chemical | 2 of 4 results | Sep 22, 2008 | Jul 23, 2012 |
| Nickel 1036 | Inorganic Chemical | 2 of 10 results | Feb 6, 2006 | Apr 7, 2008 |
| Selenium 1045 | Inorganic Chemical | 2 of 10 results | Mar 7, 2005 | Feb 6, 2006 |
| Monochloroacetic Acid 2450 | Organic Chemical | 1 of 4 results | Aug 1, 2018 | Aug 1, 2018 |
| Calcium 1016 | Inorganic Chemical | 1 of 1 result | Jul 12, 2017 | Jul 12, 2017 |
| Chloride 1017 | Inorganic Chemical | 1 of 1 result | Jul 12, 2017 | Jul 12, 2017 |
| Iron 1028 | Inorganic Chemical | 1 of 1 result | Jul 12, 2017 | Jul 12, 2017 |
| Magnesium 1031 | Inorganic Chemical | 1 of 1 result | Jul 12, 2017 | Jul 12, 2017 |
| Manganese 1032 | Inorganic Chemical | 1 of 1 result | Jul 12, 2017 | Jul 12, 2017 |
| Potassium 1042 | Inorganic Chemical | 1 of 1 result | Jul 12, 2017 | Jul 12, 2017 |
| Residue, Total, Filterable 1057 | Water Quality | 1 of 1 result | Jul 12, 2017 | Jul 12, 2017 |
| Alkalinity, Caco3 Stability 1067 | Water Quality | 1 of 1 result | Jul 12, 2017 | Jul 12, 2017 |
| Carbon Dioxide 1901 | Water Quality | 1 of 1 result | Jul 12, 2017 | Jul 12, 2017 |
| Color 1905 | Water Quality | 1 of 1 result | Jul 12, 2017 | Jul 12, 2017 |
| Hardness, Total (As Caco3) 1915 | Water Quality | 1 of 1 result | Jul 12, 2017 | Jul 12, 2017 |
| Alkalinity, Total 1927 | Water Quality | 1 of 1 result | Jul 12, 2017 | Jul 12, 2017 |
| Calculated Sodium NACA | Water Quality | 1 of 1 result | Jul 12, 2017 | Jul 12, 2017 |
| PH, Field Result PHFD | Water Quality | 1 of 1 result | Jul 12, 2017 | Jul 12, 2017 |
| Gross Alpha Particle Activity 4109 | Radionuclide | 1 of 4 results | Sep 13, 2012 | Sep 13, 2012 |
| Combined Radium (-226 & -228) 4010 | Radionuclide | 1 of 2 results | Nov 28, 2011 | Nov 28, 2011 |
| Radium-226 4020 | Radionuclide | 1 of 2 results | Nov 28, 2011 | Nov 28, 2011 |
| Arsenic 1005 | Inorganic Chemical | 1 of 10 results | Apr 7, 2008 | Apr 7, 2008 |
| Dibromochloromethane 2944 | Organic Chemical | 1 of 4 results | Jul 30, 2007 | Jul 30, 2007 |
| Cadmium 1015 | Inorganic Chemical | 1 of 10 results | Feb 6, 2006 | Feb 6, 2006 |
No date range is applied: this list draws on every sample on record. Show the last two years only.
The most recent samples, result by result
The table below lists 21–30 of 156 samples, newest first — collected October 27, 2020 to August 3, 2021. The summary above covers all 156.
39 results from the 10 samples listed here: 8 detected, 31 not detected. Across the whole record it is 177 of 892. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.
| Result | Analyte | Monitoring period |
|---|---|---|
|
||
| 0.0078 mg/l , sample collected Aug 3, 2021 05:45, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2019 – Dec 31, 2021 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 3, 2021 05:45, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2019 – Dec 31, 2021 |
|
||
| 0.028 mg/l , sample collected Aug 3, 2021 04:18, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2019 – Dec 31, 2021 |
| 2.8 ug/l , sample collected Aug 3, 2021 04:18, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2019 – Dec 31, 2021 |
|
||
| 0.0021 mg/l , sample collected Aug 3, 2021 09:00, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2019 – Dec 31, 2021 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 3, 2021 09:00, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2019 – Dec 31, 2021 |
|
||
| 0.0033 mg/l , sample collected Aug 3, 2021 06:20, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2019 – Dec 31, 2021 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 3, 2021 06:20, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2019 – Dec 31, 2021 |
|
||
| 0.0158 mg/l , sample collected Aug 2, 2021 18:30, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2019 – Dec 31, 2021 |
| 1.6 ug/l , sample collected Aug 2, 2021 18:30, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2019 – Dec 31, 2021 |
|
||
| Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 10, 2021 12:10, sampling point TF101 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2020 – Dec 31, 2022 |
|
||
| 69.1 mg/l , sample collected Feb 23, 2021 12:30, sampling point TF101 | Sodium 1052 EPA method 200.7 | Not recorded |
|
||
| Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 23, 2021 12:30, sampling point TF101 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2021 – Dec 31, 2021 |
| Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 23, 2021 12:30, sampling point TF101 | Nitrate 1040 EPA method QC10107041C | Jan 1, 2021 – Dec 31, 2021 |
| Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 23, 2021 12:30, sampling point TF101 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2021 – Dec 31, 2021 |
|
||
| Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Dec 2, 2020 12:30, sampling point TF101 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2020 – Dec 31, 2020 |
| Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Dec 2, 2020 12:30, sampling point TF101 | Nitrate 1040 EPA method QC10107041C | Jan 1, 2020 – Dec 31, 2020 |
| Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Dec 2, 2020 12:30, sampling point TF101 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2020 – Dec 31, 2020 |
|
||
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 27, 2020 12:10, sampling point TF101 | 1,2,4-Trichlorobenzene 2378 EPA method 524.2 | Jan 1, 2020 – Dec 31, 2020 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 27, 2020 12:10, sampling point TF101 | Cis-1,2-Dichloroethylene 2380 EPA method 524.2 | Jan 1, 2020 – Dec 31, 2020 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 27, 2020 12:10, sampling point TF101 | Xylenes, Total 2955 EPA method 524.2 | Jan 1, 2020 – Dec 31, 2020 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 27, 2020 12:10, sampling point TF101 | Dichloromethane 2964 EPA method 524.2 | Jan 1, 2020 – Dec 31, 2020 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 27, 2020 12:10, sampling point TF101 | O-Dichlorobenzene 2968 EPA method 524.2 | Jan 1, 2020 – Dec 31, 2020 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 27, 2020 12:10, sampling point TF101 | P-Dichlorobenzene 2969 EPA method 524.2 | Jan 1, 2020 – Dec 31, 2020 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 27, 2020 12:10, sampling point TF101 | Vinyl Chloride 2976 EPA method 524.2 | Jan 1, 2020 – Dec 31, 2020 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 27, 2020 12:10, sampling point TF101 | 1,1-Dichloroethylene 2977 EPA method 524.2 | Jan 1, 2020 – Dec 31, 2020 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 27, 2020 12:10, sampling point TF101 | Trans-1,2-Dichloroethylene 2979 EPA method 524.2 | Jan 1, 2020 – Dec 31, 2020 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 27, 2020 12:10, sampling point TF101 | 1,2-Dichloroethane 2980 EPA method 524.2 | Jan 1, 2020 – Dec 31, 2020 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 27, 2020 12:10, sampling point TF101 | 1,1,1-Trichloroethane 2981 EPA method 524.2 | Jan 1, 2020 – Dec 31, 2020 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 27, 2020 12:10, sampling point TF101 | Carbon Tetrachloride 2982 EPA method 524.2 | Jan 1, 2020 – Dec 31, 2020 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 27, 2020 12:10, sampling point TF101 | 1,2-Dichloropropane 2983 EPA method 524.2 | Jan 1, 2020 – Dec 31, 2020 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 27, 2020 12:10, sampling point TF101 | Trichloroethylene 2984 EPA method 524.2 | Jan 1, 2020 – Dec 31, 2020 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 27, 2020 12:10, sampling point TF101 | 1,1,2-Trichloroethane 2985 EPA method 524.2 | Jan 1, 2020 – Dec 31, 2020 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 27, 2020 12:10, sampling point TF101 | Tetrachloroethylene 2987 EPA method 524.2 | Jan 1, 2020 – Dec 31, 2020 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 27, 2020 12:10, sampling point TF101 | Chlorobenzene 2989 EPA method 524.2 | Jan 1, 2020 – Dec 31, 2020 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 27, 2020 12:10, sampling point TF101 | Benzene 2990 EPA method 524.2 | Jan 1, 2020 – Dec 31, 2020 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 27, 2020 12:10, sampling point TF101 | Toluene 2991 EPA method 524.2 | Jan 1, 2020 – Dec 31, 2020 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 27, 2020 12:10, sampling point TF101 | Ethylbenzene 2992 EPA method 524.2 | Jan 1, 2020 – Dec 31, 2020 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 27, 2020 12:10, sampling point TF101 | Styrene 2996 EPA method 524.2 | Jan 1, 2020 – Dec 31, 2020 |
-
- Collected
- Aug 3, 2021 05:45
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- PB-210804-151
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2019 – Dec 31, 2021
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0078 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Aug 3, 2021 04:18
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- PB-210804-153
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2019 – Dec 31, 2021
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.028 mg/l
-
Lead 1030 EPA method 200.8
- Result
- 2.8 ug/l
-
- Collected
- Aug 3, 2021 09:00
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- PB-210804-154
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2019 – Dec 31, 2021
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0021 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Aug 3, 2021 06:20
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- PB-210804-155
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2019 – Dec 31, 2021
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0033 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Aug 2, 2021 18:30
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- PB-210804-152
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2019 – Dec 31, 2021
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0158 mg/l
-
Lead 1030 EPA method 200.8
- Result
- 1.6 ug/l
-
- Collected
- May 10, 2021 12:10
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- CN-210511-013
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2020 – Dec 31, 2022
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 0.015 mg/l Minimum Reporting Level
-
- Collected
- Feb 23, 2021 12:30
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- NA-210224-036
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
Sodium 1052 EPA method 200.7
- Result
- 69.1 mg/l
-
- Collected
- Feb 23, 2021 12:30
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- NI-210224-035
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2021 – Dec 31, 2021
-
Nitrate-Nitrite 1038 EPA method QC10107041C
- Result
- Not detected below 0.1 mg/l Minimum Reporting Level
-
Nitrate 1040 EPA method QC10107041C
- Result
- Not detected below 0.08 mg/l Minimum Reporting Level
-
Nitrite 1041 EPA method QC10107041C
- Result
- Not detected below 0.02 mg/l Minimum Reporting Level
-
- Collected
- Dec 2, 2020 12:30
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- NI-201203-020
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2020 – Dec 31, 2020
-
Nitrate-Nitrite 1038 EPA method QC10107041C
- Result
- Not detected below 0.1 mg/l Minimum Reporting Level
-
Nitrate 1040 EPA method QC10107041C
- Result
- Not detected below 0.08 mg/l Minimum Reporting Level
-
Nitrite 1041 EPA method QC10107041C
- Result
- Not detected below 0.02 mg/l Minimum Reporting Level
-
- Collected
- Oct 27, 2020 12:10
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 201028-006VO
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2020 – Dec 31, 2020
-
1,2,4-Trichlorobenzene 2378 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
Cis-1,2-Dichloroethylene 2380 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
Xylenes, Total 2955 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
Dichloromethane 2964 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
O-Dichlorobenzene 2968 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
P-Dichlorobenzene 2969 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
Vinyl Chloride 2976 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
1,1-Dichloroethylene 2977 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
Trans-1,2-Dichloroethylene 2979 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
1,2-Dichloroethane 2980 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
1,1,1-Trichloroethane 2981 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
Carbon Tetrachloride 2982 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
1,2-Dichloropropane 2983 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
Trichloroethylene 2984 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
1,1,2-Trichloroethane 2985 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
Tetrachloroethylene 2987 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
Chlorobenzene 2989 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
Benzene 2990 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
Toluene 2991 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
Ethylbenzene 2992 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
Styrene 2996 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
Routine (10).