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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.

Every analyte ever detected for PRVWSD-Highway 43, with how many results found it and when it was first and last detected. Covers the whole record, not only 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 161–170 of 278 samples, newest first — collected August 23, 2010 to August 9, 2011. The summary above covers all 278.

76 results from the 10 samples listed here: 12 detected, 64 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.

Chemical and radiological sample results for PRVWSD-Highway 43, every result from 161 to 170 of 278 samples shown, newest first. Not detected means the amount was below the level the laboratory can reliably report, which is given beside it.
Result Analyte Monitoring period
Collected
Aug 9, 2011 12:36
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
110810-001TH
Laboratory
MSDH Lab
9.77 ug/l , sample collected Aug 9, 2011 12:36, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 9, 2011 12:36, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
1.04 ug/l , sample collected Aug 9, 2011 12:36, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 9, 2011 12:36, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
10.81 ug/l , sample collected Aug 9, 2011 12:36, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Collected
Aug 9, 2011 12:43
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
110810-001HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Aug 9, 2011 12:43, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.007 mg/l , sample collected Aug 9, 2011 12:43, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.008 mg/l , sample collected Aug 9, 2011 12:43, 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 9, 2011 12:43, 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 9, 2011 12:43, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.015 mg/l , sample collected Aug 9, 2011 12:43, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2011 – Dec 31, 2011
Collected
Jun 29, 2011 12:33
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
110630-003VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:33, sampling point TF104 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:33, sampling point TF104 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:33, sampling point TF104 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:33, sampling point TF104 Dichloromethane 2964 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:33, sampling point TF104 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:33, sampling point TF104 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:33, sampling point TF104 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:33, sampling point TF104 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:33, sampling point TF104 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:33, sampling point TF104 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:33, sampling point TF104 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:33, sampling point TF104 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:33, sampling point TF104 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:33, sampling point TF104 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:33, sampling point TF104 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:33, sampling point TF104 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:33, sampling point TF104 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:33, sampling point TF104 Benzene 2990 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:33, sampling point TF104 Toluene 2991 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:33, sampling point TF104 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:33, sampling point TF104 Styrene 2996 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Collected
Jun 29, 2011 12:07
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
110630-002VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:07, sampling point TF103 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:07, sampling point TF103 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:07, sampling point TF103 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:07, sampling point TF103 Dichloromethane 2964 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:07, sampling point TF103 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:07, sampling point TF103 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:07, sampling point TF103 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:07, sampling point TF103 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:07, sampling point TF103 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:07, sampling point TF103 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:07, sampling point TF103 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:07, sampling point TF103 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:07, sampling point TF103 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:07, sampling point TF103 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:07, sampling point TF103 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:07, sampling point TF103 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:07, sampling point TF103 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:07, sampling point TF103 Benzene 2990 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:07, sampling point TF103 Toluene 2991 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:07, sampling point TF103 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2011 12:07, sampling point TF103 Styrene 2996 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Collected
Mar 21, 2011
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
110322-029NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 21, 2011, sampling point TF103 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 21, 2011, sampling point TF103 Nitrate 1040 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 21, 2011, sampling point TF103 Nitrite 1041 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Collected
Mar 21, 2011
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
110322-028NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 21, 2011, sampling point TF104 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 21, 2011, sampling point TF104 Nitrate 1040 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 21, 2011, sampling point TF104 Nitrite 1041 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Collected
Sep 15, 2010
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
100916-004NI
Laboratory
MSDH Lab
Not detected below 0.25 mg/l Minimum Reporting Level , sample collected Sep 15, 2010, sampling point TF103 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Not detected below 0.2 mg/l Minimum Reporting Level , sample collected Sep 15, 2010, sampling point TF103 Nitrate 1040 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Sep 15, 2010, sampling point TF103 Nitrite 1041 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Collected
Sep 15, 2010
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
100916-002NI
Laboratory
MSDH Lab
Not detected below 0.25 mg/l Minimum Reporting Level , sample collected Sep 15, 2010, sampling point TF104 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Not detected below 0.2 mg/l Minimum Reporting Level , sample collected Sep 15, 2010, sampling point TF104 Nitrate 1040 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Sep 15, 2010, sampling point TF104 Nitrite 1041 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Collected
Aug 23, 2010
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
100824-016TH
Laboratory
MSDH Lab
27.4 ug/l , sample collected Aug 23, 2010, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 23, 2010, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
3.67 ug/l , sample collected Aug 23, 2010, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 23, 2010, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
31.07 ug/l , sample collected Aug 23, 2010, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2010 – Dec 31, 2010
Collected
Aug 23, 2010
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
100824-016HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Aug 23, 2010, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.006 mg/l , sample collected Aug 23, 2010, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.009 mg/l , sample collected Aug 23, 2010, 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 23, 2010, 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 23, 2010, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.01 mg/l , sample collected Aug 23, 2010, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2010 – Dec 31, 2010

Routine (10).