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
MS0480021 , Tronox
15 of the 54 analytes this system has been tested for have been detected at least once, across 140 samples on record.
The other 39 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 140 samples on record, detections range from October 13, 2003 to March 18, 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 | 30 of 32 results | Jul 17, 2007 | Sep 6, 2023 |
| Barium 1010 | Inorganic Chemical | 16 of 16 results | Oct 13, 2003 | Mar 18, 2025 |
| Fluoride 1025 | Inorganic Chemical | 12 of 16 results | Oct 13, 2003 | Mar 18, 2025 |
| Chromium 1020 | Inorganic Chemical | 12 of 16 results | Oct 13, 2003 | May 7, 2019 |
| TTHM 2950 | Organic Chemical | 5 of 15 results | Aug 27, 2007 | Nov 6, 2024 |
| Nickel 1036 | Inorganic Chemical | 5 of 16 results | Mar 10, 2004 | May 7, 2019 |
| Total Haloacetic Acids (Haa5) 2456 | Organic Chemical | 4 of 14 results | Jun 16, 2010 | Feb 26, 2025 |
| Sulfate 1055 | Inorganic Chemical | 4 of 4 results | Oct 13, 2003 | Mar 10, 2004 |
| Dibromochloromethane 2944 | Organic Chemical | 2 of 12 results | Jul 5, 2016 | Nov 6, 2024 |
| Chloroform 2941 | Organic Chemical | 2 of 12 results | Aug 14, 2013 | Jul 5, 2016 |
| Selenium 1045 | Inorganic Chemical | 2 of 16 results | Apr 6, 2005 | Apr 6, 2005 |
| Sodium 1052 | Inorganic Chemical | 1 of 1 result | Mar 1, 2022 | Mar 1, 2022 |
| Dichloroacetic Acid 2451 | Organic Chemical | 1 of 11 results | Jul 5, 2016 | Jul 5, 2016 |
| Bromodichloromethane 2943 | Organic Chemical | 1 of 12 results | Jul 5, 2016 | Jul 5, 2016 |
| Toluene 2991 | Organic Chemical | 1 of 18 results | Nov 17, 2004 | Nov 17, 2004 |
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 41–50 of 140 samples, newest first — collected April 27, 2016 to July 5, 2017. The summary above covers all 140.
27 results from the 10 samples listed here: 10 detected, 17 not detected. Across the whole record it is 98 of 872. 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 |
|---|---|---|
|
||
| 0.0019 mg/l , sample collected Jul 5, 2017 08:10, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 5, 2017 08:10, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
|
||
| 0.0635 mg/l , sample collected Jul 5, 2017 08:30, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 5, 2017 08:30, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
|
||
| 0.004 mg/l , sample collected Jul 5, 2017 08:20, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 5, 2017 08:20, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
|
||
| 0.0027 mg/l , sample collected Jul 5, 2017 08:05, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 5, 2017 08:05, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
|
||
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 14, 2017 15:00, sampling point TF080 | Combined Uranium 4006 EPA method 200.8 | Not recorded |
|
||
| Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 13, 2017 13:50, sampling point TF080 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2017 – Dec 31, 2017 |
| Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 13, 2017 13:50, sampling point TF080 | Nitrate 1040 EPA method QC10107041C | Jan 1, 2017 – Dec 31, 2017 |
| Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 13, 2017 13:50, sampling point TF080 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2017 – Dec 31, 2017 |
|
||
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 13, 2017 13:35, sampling point TF080 | Combined Uranium 4006 EPA method 200.8 | Not recorded |
|
||
| Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Jul 5, 2016 13:30, sampling point MRT000 | Monochloroacetic Acid 2450 EPA method 552.2 | Not recorded |
| 0.001 mg/l , sample collected Jul 5, 2016 13:30, sampling point MRT000 | Dichloroacetic Acid 2451 EPA method 552.2 | Not recorded |
| Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 5, 2016 13:30, sampling point MRT000 | Trichloroacetic Acid 2452 EPA method 552.2 | Not recorded |
| Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 5, 2016 13:30, sampling point MRT000 | Monobromoacetic Acid 2453 EPA method 552.2 | Not recorded |
| Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 5, 2016 13:30, sampling point MRT000 | Dibromoacetic Acid 2454 EPA method 552.2 | Not recorded |
| 0.001 mg/l , sample collected Jul 5, 2016 13:30, sampling point MRT000 | Total Haloacetic Acids (Haa5) 2456 | Jan 1, 2014 – Dec 31, 2016 |
|
||
| 2.12 ug/l , sample collected Jul 5, 2016 13:35, sampling point MRT000 | Chloroform 2941 EPA method 524.2 | Not recorded |
| Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 5, 2016 13:35, sampling point MRT000 | Bromoform 2942 EPA method 524.2 | Not recorded |
| 1.13 ug/l , sample collected Jul 5, 2016 13:35, sampling point MRT000 | Bromodichloromethane 2943 EPA method 524.2 | Not recorded |
| 1.14 ug/l , sample collected Jul 5, 2016 13:35, sampling point MRT000 | Dibromochloromethane 2944 EPA method 524.2 | Not recorded |
| 4.39 ug/l , sample collected Jul 5, 2016 13:35, sampling point MRT000 | TTHM 2950 | Jan 1, 2014 – Dec 31, 2016 |
|
||
| Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 27, 2016 14:30, sampling point TF080 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2016 – Dec 31, 2016 |
| Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 27, 2016 14:30, sampling point TF080 | Nitrate 1040 EPA method QC10107041C | Jan 1, 2016 – Dec 31, 2016 |
| Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 27, 2016 14:30, sampling point TF080 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2016 – Dec 31, 2016 |
-
- Collected
- Jul 5, 2017 08:10
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 170706-038PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2015 – Dec 31, 2017
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0019 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Jul 5, 2017 08:30
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 170706-037PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2015 – Dec 31, 2017
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0635 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Jul 5, 2017 08:20
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 170706-036PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2015 – Dec 31, 2017
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.004 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Jul 5, 2017 08:05
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 170706-034PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2015 – Dec 31, 2017
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0027 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Jun 14, 2017 15:00
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- 170616-010RU
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
Combined Uranium 4006 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Mar 13, 2017 13:50
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- 170314-005NI
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2017 – Dec 31, 2017
-
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
- Mar 13, 2017 13:35
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- 170314-031RU
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
Combined Uranium 4006 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Jul 5, 2016 13:30
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- 160706-009HA
- Laboratory
- MSDH Lab
-
Monochloroacetic Acid 2450 EPA method 552.2
- Result
- Not detected below 0.002 mg/l Minimum Reporting Level
- Monitoring period
- Not recorded
-
Dichloroacetic Acid 2451 EPA method 552.2
- Result
- 0.001 mg/l
- Monitoring period
- Not recorded
-
Trichloroacetic Acid 2452 EPA method 552.2
- Result
- Not detected below 0.001 mg/l Minimum Reporting Level
- Monitoring period
- Not recorded
-
Monobromoacetic Acid 2453 EPA method 552.2
- Result
- Not detected below 0.001 mg/l Minimum Reporting Level
- Monitoring period
- Not recorded
-
Dibromoacetic Acid 2454 EPA method 552.2
- Result
- Not detected below 0.001 mg/l Minimum Reporting Level
- Monitoring period
- Not recorded
-
Total Haloacetic Acids (Haa5) 2456
- Result
- 0.001 mg/l
- Monitoring period
- Jan 1, 2014 – Dec 31, 2016
-
- Collected
- Jul 5, 2016 13:35
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- 160706-009TH
- Laboratory
- MSDH Lab
-
Chloroform 2941 EPA method 524.2
- Result
- 2.12 ug/l
- Monitoring period
- Not recorded
-
Bromoform 2942 EPA method 524.2
- Result
- Not detected below 1 ug/l Minimum Reporting Level
- Monitoring period
- Not recorded
-
Bromodichloromethane 2943 EPA method 524.2
- Result
- 1.13 ug/l
- Monitoring period
- Not recorded
-
Dibromochloromethane 2944 EPA method 524.2
- Result
- 1.14 ug/l
- Monitoring period
- Not recorded
-
TTHM 2950
- Result
- 4.39 ug/l
- Monitoring period
- Jan 1, 2014 – Dec 31, 2016
-
- Collected
- Apr 27, 2016 14:30
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- 160428-021NI
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2016 – Dec 31, 2016
-
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
Routine (10).