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
MS0610035 , PRVWSD-Highway 43
35 of the 72 analytes this system has been tested for have been detected at least once, across 278 samples on record.
The other 37 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 278 samples on record, detections range from October 20, 2003 to November 20, 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 | Aug 20, 2007 | Sep 12, 2023 |
| Lead 1030 | Inorganic Chemical | 54 of 67 results | Aug 20, 2007 | Sep 12, 2023 |
| Total Haloacetic Acids (Haa5) 2456 | Organic Chemical | 33 of 33 results | Sep 15, 2004 | Nov 20, 2025 |
| TTHM 2950 | Organic Chemical | 33 of 33 results | Sep 15, 2004 | Nov 20, 2025 |
| Chloroform 2941 | Organic Chemical | 24 of 24 results | Jun 19, 2007 | Nov 20, 2025 |
| Bromodichloromethane 2943 | Organic Chemical | 24 of 24 results | Jun 19, 2007 | Nov 20, 2025 |
| Dichloroacetic Acid 2451 | Organic Chemical | 23 of 23 results | Jul 7, 2008 | Nov 20, 2025 |
| Trichloroacetic Acid 2452 | Organic Chemical | 23 of 23 results | Jul 7, 2008 | Nov 20, 2025 |
| Fluoride 1025 | Inorganic Chemical | 21 of 21 results | Oct 20, 2003 | Mar 24, 2025 |
| Barium 1010 | Inorganic Chemical | 18 of 18 results | Oct 20, 2003 | Mar 24, 2025 |
| Chromium 1020 | Inorganic Chemical | 16 of 18 results | Oct 20, 2003 | Oct 17, 2022 |
| Dibromochloromethane 2944 | Organic Chemical | 8 of 24 results | Mar 5, 2024 | Nov 20, 2025 |
| Sodium 1052 | Inorganic Chemical | 8 of 8 results | Jan 21, 2009 | Mar 4, 2025 |
| Xylenes, Total 2955 | Organic Chemical | 8 of 40 results | Mar 3, 2004 | Jun 15, 2005 |
| Nickel 1036 | Inorganic Chemical | 5 of 18 results | Oct 20, 2003 | May 6, 2019 |
| Gross Alpha, Incl. Radon & U 4002 | Radionuclide | 5 of 10 results | Dec 5, 2011 | Jul 12, 2012 |
| Sulfate 1055 | Inorganic Chemical | 4 of 4 results | Oct 20, 2003 | Jan 21, 2009 |
| Ethylbenzene 2992 | Organic Chemical | 4 of 40 results | Mar 3, 2004 | Jun 7, 2004 |
| Selenium 1045 | Inorganic Chemical | 3 of 18 results | Mar 24, 2004 | Mar 27, 2006 |
| Monochloroacetic Acid 2450 | Organic Chemical | 2 of 23 results | Dec 14, 2009 | Dec 14, 2009 |
| Calcium 1016 | Inorganic Chemical | 2 of 2 results | Jan 21, 2009 | Jan 21, 2009 |
| Potassium 1042 | Inorganic Chemical | 2 of 2 results | Jan 21, 2009 | Jan 21, 2009 |
| Residue, Total, Filterable 1057 | Water Quality | 2 of 2 results | Jan 21, 2009 | Jan 21, 2009 |
| Alkalinity, Caco3 Stability 1067 | Water Quality | 2 of 2 results | Jan 21, 2009 | Jan 21, 2009 |
| Carbon Dioxide 1901 | Water Quality | 2 of 2 results | Jan 21, 2009 | Jan 21, 2009 |
| Color 1905 | Water Quality | 2 of 2 results | Jan 21, 2009 | Jan 21, 2009 |
| Hardness, Total (As Caco3) 1915 | Water Quality | 2 of 2 results | Jan 21, 2009 | Jan 21, 2009 |
| Alkalinity, Total 1927 | Water Quality | 2 of 2 results | Jan 21, 2009 | Jan 21, 2009 |
| Iron, Field Result FEFD | Inorganic Chemical | 2 of 2 results | Jan 21, 2009 | Jan 21, 2009 |
| Calculated Sodium NACA | Water Quality | 2 of 2 results | Jan 21, 2009 | Jan 21, 2009 |
| PH, Field Result PHFD | Water Quality | 2 of 2 results | Jan 21, 2009 | Jan 21, 2009 |
| Styrene 2996 | Organic Chemical | 2 of 40 results | Mar 3, 2004 | Mar 3, 2004 |
| Chloride 1017 | Inorganic Chemical | 1 of 2 results | Jan 21, 2009 | Jan 21, 2009 |
| Manganese 1032 | Inorganic Chemical | 1 of 2 results | Jan 21, 2009 | Jan 21, 2009 |
| Toluene 2991 | Organic Chemical | 1 of 40 results | Sep 22, 2005 | Sep 22, 2005 |
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 91–100 of 278 samples, newest first — collected July 19, 2017 to December 19, 2017. The summary above covers all 278.
46 results from the 10 samples listed here: 18 detected, 28 not detected. Across the whole record it is 410 of 1,698. 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 |
|---|---|---|
|
||
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 19, 2017 12:45, sampling point TF103 | 1,2,4-Trichlorobenzene 2378 EPA method 524.2 | Jan 1, 2012 – Dec 31, 2017 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 19, 2017 12:45, sampling point TF103 | Cis-1,2-Dichloroethylene 2380 EPA method 524.2 | Jan 1, 2012 – Dec 31, 2017 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 19, 2017 12:45, sampling point TF103 | Xylenes, Total 2955 EPA method 524.2 | Jan 1, 2012 – Dec 31, 2017 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 19, 2017 12:45, sampling point TF103 | Dichloromethane 2964 EPA method 524.2 | Jan 1, 2012 – Dec 31, 2017 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 19, 2017 12:45, sampling point TF103 | O-Dichlorobenzene 2968 EPA method 524.2 | Jan 1, 2012 – Dec 31, 2017 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 19, 2017 12:45, sampling point TF103 | P-Dichlorobenzene 2969 EPA method 524.2 | Jan 1, 2012 – Dec 31, 2017 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 19, 2017 12:45, sampling point TF103 | Vinyl Chloride 2976 EPA method 524.2 | Jan 1, 2012 – Dec 31, 2017 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 19, 2017 12:45, sampling point TF103 | 1,1-Dichloroethylene 2977 EPA method 524.2 | Jan 1, 2012 – Dec 31, 2017 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 19, 2017 12:45, sampling point TF103 | Trans-1,2-Dichloroethylene 2979 EPA method 524.2 | Jan 1, 2012 – Dec 31, 2017 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 19, 2017 12:45, sampling point TF103 | 1,2-Dichloroethane 2980 EPA method 524.2 | Jan 1, 2012 – Dec 31, 2017 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 19, 2017 12:45, sampling point TF103 | 1,1,1-Trichloroethane 2981 EPA method 524.2 | Jan 1, 2012 – Dec 31, 2017 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 19, 2017 12:45, sampling point TF103 | Carbon Tetrachloride 2982 EPA method 524.2 | Jan 1, 2012 – Dec 31, 2017 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 19, 2017 12:45, sampling point TF103 | 1,2-Dichloropropane 2983 EPA method 524.2 | Jan 1, 2012 – Dec 31, 2017 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 19, 2017 12:45, sampling point TF103 | Trichloroethylene 2984 EPA method 524.2 | Jan 1, 2012 – Dec 31, 2017 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 19, 2017 12:45, sampling point TF103 | 1,1,2-Trichloroethane 2985 EPA method 524.2 | Jan 1, 2012 – Dec 31, 2017 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 19, 2017 12:45, sampling point TF103 | Tetrachloroethylene 2987 EPA method 524.2 | Jan 1, 2012 – Dec 31, 2017 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 19, 2017 12:45, sampling point TF103 | Chlorobenzene 2989 EPA method 524.2 | Jan 1, 2012 – Dec 31, 2017 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 19, 2017 12:45, sampling point TF103 | Benzene 2990 EPA method 524.2 | Jan 1, 2012 – Dec 31, 2017 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 19, 2017 12:45, sampling point TF103 | Toluene 2991 EPA method 524.2 | Jan 1, 2012 – Dec 31, 2017 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 19, 2017 12:45, sampling point TF103 | Ethylbenzene 2992 EPA method 524.2 | Jan 1, 2012 – Dec 31, 2017 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 19, 2017 12:45, sampling point TF103 | Styrene 2996 EPA method 524.2 | Jan 1, 2012 – Dec 31, 2017 |
|
||
| Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Aug 15, 2017 09:35, sampling point MRT000 | Monochloroacetic Acid 2450 EPA method 552.2 | Not recorded |
| 0.012 mg/l , sample collected Aug 15, 2017 09:35, sampling point MRT000 | Dichloroacetic Acid 2451 EPA method 552.2 | Not recorded |
| 0.023 mg/l , sample collected Aug 15, 2017 09:35, sampling point MRT000 | Trichloroacetic Acid 2452 EPA method 552.2 | Not recorded |
| Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 15, 2017 09:35, sampling point MRT000 | Monobromoacetic Acid 2453 EPA method 552.2 | Not recorded |
| Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 15, 2017 09:35, sampling point MRT000 | Dibromoacetic Acid 2454 EPA method 552.2 | Not recorded |
| 0.035 mg/l , sample collected Aug 15, 2017 09:35, sampling point MRT000 | Total Haloacetic Acids (Haa5) 2456 | Jan 1, 2015 – Dec 31, 2017 |
|
||
| 33.3 ug/l , sample collected Aug 15, 2017 09:25, sampling point MRT000 | Chloroform 2941 EPA method 524.2 | Not recorded |
| Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 15, 2017 09:25, sampling point MRT000 | Bromoform 2942 EPA method 524.2 | Not recorded |
| 5.82 ug/l , sample collected Aug 15, 2017 09:25, sampling point MRT000 | Bromodichloromethane 2943 EPA method 524.2 | Not recorded |
| Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 15, 2017 09:25, sampling point MRT000 | Dibromochloromethane 2944 EPA method 524.2 | Not recorded |
| 39.1 ug/l , sample collected Aug 15, 2017 09:25, sampling point MRT000 | TTHM 2950 | Jan 1, 2015 – Dec 31, 2017 |
|
||
| 0.0607 mg/l , sample collected Jul 19, 2017 07:45, 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 19, 2017 07:45, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
|
||
| 0.178 mg/l , sample collected Jul 19, 2017 07:30, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
| 0.0006 mg/l , sample collected Jul 19, 2017 07:30, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
|
||
| 0.0339 mg/l , sample collected Jul 19, 2017 08:35, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
| 0.0015 mg/l , sample collected Jul 19, 2017 08:35, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
|
||
| 0.1318 mg/l , sample collected Jul 19, 2017 08:20, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
| 0.0011 mg/l , sample collected Jul 19, 2017 08:20, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
|
||
| 0.154 mg/l , sample collected Jul 19, 2017 09:40, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
| 0.0009 mg/l , sample collected Jul 19, 2017 09:40, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
|
||
| 0.0433 mg/l , sample collected Jul 19, 2017 09:00, 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 19, 2017 09:00, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
|
||
| 0.0514 mg/l , sample collected Jul 19, 2017 09:22, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
| 0.0006 mg/l , sample collected Jul 19, 2017 09:22, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
-
- Collected
- Dec 19, 2017 12:45
- Sampling point
- TF103 Treatment Plant T103
- Sample type
- Routine
- Lab sample
- 171220-006VO
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2012 – Dec 31, 2017
-
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
-
- Collected
- Aug 15, 2017 09:35
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- 170816-014HA
- 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
- 0.012 mg/l
- Monitoring period
- Not recorded
-
Trichloroacetic Acid 2452 EPA method 552.2
- Result
- 0.023 mg/l
- 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
- 0.035 mg/l
- Monitoring period
- Jan 1, 2015 – Dec 31, 2017
-
- Collected
- Aug 15, 2017 09:25
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- 170816-014TH
- Laboratory
- MSDH Lab
-
Chloroform 2941 EPA method 524.2
- Result
- 33.3 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
- 5.82 ug/l
- Monitoring period
- Not recorded
-
Dibromochloromethane 2944 EPA method 524.2
- Result
- Not detected below 1 ug/l Minimum Reporting Level
- Monitoring period
- Not recorded
-
TTHM 2950
- Result
- 39.1 ug/l
- Monitoring period
- Jan 1, 2015 – Dec 31, 2017
-
- Collected
- Jul 19, 2017 07:45
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 170721-087PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2015 – Dec 31, 2017
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0607 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Jul 19, 2017 07:30
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 170721-086PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2015 – Dec 31, 2017
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.178 mg/l
-
Lead 1030 EPA method 200.8
- Result
- 0.0006 mg/l
-
- Collected
- Jul 19, 2017 08:35
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 170721-085PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2015 – Dec 31, 2017
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0339 mg/l
-
Lead 1030 EPA method 200.8
- Result
- 0.0015 mg/l
-
- Collected
- Jul 19, 2017 08:20
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 170721-084PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2015 – Dec 31, 2017
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.1318 mg/l
-
Lead 1030 EPA method 200.8
- Result
- 0.0011 mg/l
-
- Collected
- Jul 19, 2017 09:40
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 170721-083PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2015 – Dec 31, 2017
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.154 mg/l
-
Lead 1030 EPA method 200.8
- Result
- 0.0009 mg/l
-
- Collected
- Jul 19, 2017 09:00
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 170721-082PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2015 – Dec 31, 2017
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0433 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Jul 19, 2017 09:22
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 170721-081PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2015 – Dec 31, 2017
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0514 mg/l
-
Lead 1030 EPA method 200.8
- Result
- 0.0006 mg/l
Routine (10).