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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

MS0550062 , PRCUA-Hillsdale Water System

17 of the 55 analytes this system has been tested for have been detected at least once, across 160 samples on record.

The other 38 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 160 samples on record, detections range from September 2, 2010 to February 24, 2025. These figures cover the whole record; the list of samples further down is narrowed.

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 PRCUA-Hillsdale Water System, 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 58 of 58 results Nov 4, 2010 Sep 26, 2023
Lead 1030 Inorganic Chemical 36 of 58 results Nov 4, 2010 Sep 26, 2023
Xylenes, Total 2955 Organic Chemical 16 of 49 results Sep 2, 2010 Jul 16, 2024
Ethylbenzene 2992 Organic Chemical 11 of 50 results Sep 2, 2010 Jul 16, 2024
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 8 of 8 results Sep 2, 2010 Feb 24, 2025
TTHM 2950 Organic Chemical 7 of 8 results Sep 2, 2010 Feb 24, 2025
Barium 1010 Inorganic Chemical 5 of 5 results Aug 3, 2011 Jan 8, 2024
Fluoride 1025 Inorganic Chemical 5 of 5 results Aug 3, 2011 Jan 8, 2024
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 13, 2011 Jul 18, 2012
Dichloroacetic Acid 2451 Organic Chemical 4 of 4 results Sep 2, 2010 Aug 17, 2017
Chromium 1020 Inorganic Chemical 3 of 5 results Aug 3, 2011 Sep 17, 2018
Chloroform 2941 Organic Chemical 3 of 4 results Sep 2, 2010 Aug 17, 2017
Bromodichloromethane 2943 Organic Chemical 3 of 4 results Sep 2, 2010 Aug 17, 2017
Trichloroacetic Acid 2452 Organic Chemical 2 of 4 results Jul 9, 2014 Aug 17, 2017
Dibromochloromethane 2944 Organic Chemical 2 of 4 results Jul 9, 2014 Aug 17, 2017
Sodium 1052 Inorganic Chemical 1 of 1 result Sep 17, 2019 Sep 17, 2019
Nickel 1036 Inorganic Chemical 1 of 5 results Apr 2, 2014 Apr 2, 2014

Showing samples collected between September 25, 2024 and September 25, 2026. That is this page’s default, not a limit on what the agency records.

Show every sample on record

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The most recent samples, result by result

The 8 samples collected between September 25, 2024 and September 25, 2026 are listed below, newest first.

50 results from the 8 samples listed here: 4 detected, 46 not detected. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

We withheld the location of 2 sampling points below. The location on record identifies a private home, and we do not publish those. That is our decision, not the agency’s. The sampling point, its type and every result taken there are published unchanged.

Chemical and radiological sample results for PRCUA-Hillsdale Water System, every result from the 8 samples on record, 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
Mar 24, 2025 09:50
Sampling point
TF101
Sample type
Routine
Lab sample
NI-250325-008
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 24, 2025 09:50, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 24, 2025 09:50, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 24, 2025 09:50, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Mar 4, 2025 10:35
Sampling point
TF101
Sample type
Routine
Lab sample
VO-250305-002
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 10:35, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 10:35, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 10:35, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 10:35, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 10:35, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 10:35, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 10:35, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 10:35, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 10:35, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 10:35, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 10:35, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 10:35, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 10:35, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 10:35, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 10:35, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 10:35, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 10:35, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 10:35, sampling point TF101 Benzene 2990 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 10:35, sampling point TF101 Toluene 2991 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 10:35, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 10:35, sampling point TF101 Styrene 2996 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Collected
Feb 24, 2025 08:44
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
TH-250225-008
Laboratory
MSDH Lab
1.19 ug/l , sample collected Feb 24, 2025 08:44, sampling point SM2 TTHM 2950 EPA method 524.2 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 24, 2025 08:43
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
TH-250225-007
Laboratory
MSDH Lab
1.24 ug/l , sample collected Feb 24, 2025 08:43, sampling point SM1 TTHM 2950 EPA method 524.2 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 24, 2025 08:44
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
HA-250225-008
Laboratory
MSDH Lab
2.54 ug/l , sample collected Feb 24, 2025 08:44, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 24, 2025 08:50
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
HA-250225-007
Laboratory
MSDH Lab
2.62 ug/l , sample collected Feb 24, 2025 08:50, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2023 – Dec 31, 2025
Collected
Oct 15, 2024 08:55
Sampling point
TF101
Sample type
Routine
Lab sample
VO-241016-002
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2024 08:55, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2024 08:55, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2024 08:55, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2024 08:55, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2024 08:55, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2024 08:55, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2024 08:55, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2024 08:55, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2024 08:55, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2024 08:55, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2024 08:55, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2024 08:55, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2024 08:55, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2024 08:55, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2024 08:55, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2024 08:55, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2024 08:55, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2024 08:55, sampling point TF101 Benzene 2990 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2024 08:55, sampling point TF101 Toluene 2991 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2024 08:55, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2024 08:55, sampling point TF101 Styrene 2996 EPA method 524.2 Not recorded
Collected
Oct 15, 2024 07:42
Sampling point
TF101
Sample type
Routine
Lab sample
CN-241016-012
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Oct 15, 2024 07:42, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2022 – Dec 31, 2024

Routine (8).