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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

MS0310005 , Town of Heidelberg

25 of the 57 analytes this system has been tested for have been detected at least once, across 229 samples on record.

The other 32 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 229 samples on record, detections range from September 29, 2003 to July 27, 2026. 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 Town of Heidelberg, 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 73 of 73 results Aug 8, 2007 Jul 27, 2026
Lead 1030 Inorganic Chemical 59 of 73 results Aug 8, 2007 Jul 27, 2026
Barium 1010 Inorganic Chemical 22 of 22 results Sep 29, 2003 Jul 8, 2026
Fluoride 1025 Inorganic Chemical 22 of 22 results Sep 29, 2003 Jul 8, 2026
TTHM 2950 Organic Chemical 19 of 20 results Aug 9, 2007 Aug 21, 2025
Chloroform 2941 Organic Chemical 15 of 15 results Aug 9, 2007 Aug 21, 2025
Bromodichloromethane 2943 Organic Chemical 15 of 15 results Aug 9, 2007 Aug 21, 2025
Dibromochloromethane 2944 Organic Chemical 15 of 15 results Aug 9, 2007 Aug 21, 2025
Bromoform 2942 Organic Chemical 14 of 15 results Sep 24, 2008 Aug 21, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 14 of 19 results Sep 27, 2007 Jun 2, 2025
Trichloroacetic Acid 2452 Organic Chemical 13 of 15 results Sep 27, 2007 Jun 2, 2025
Chromium 1020 Inorganic Chemical 13 of 22 results Sep 29, 2003 May 16, 2022
Dibromoacetic Acid 2454 Organic Chemical 11 of 15 results Sep 27, 2007 Jun 2, 2025
Dichloroacetic Acid 2451 Organic Chemical 9 of 15 results Sep 27, 2007 Jun 2, 2025
Sodium 1052 Inorganic Chemical 6 of 6 results Sep 19, 2019 Feb 3, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 10 results Dec 8, 2011 Jul 18, 2012
Nickel 1036 Inorganic Chemical 4 of 20 results Feb 25, 2004 Nov 9, 2009
Sulfate 1055 Inorganic Chemical 4 of 4 results Sep 29, 2003 Feb 25, 2004
Xylenes, Total 2955 Organic Chemical 1 of 14 results Jun 7, 2022 Jun 7, 2022
Monochloroacetic Acid 2450 Organic Chemical 1 of 15 results Aug 7, 2018 Aug 7, 2018
Cyanide 1024 Inorganic Chemical 1 of 20 results Sep 14, 2009 Sep 14, 2009
Monobromoacetic Acid 2453 Organic Chemical 1 of 15 results Sep 27, 2007 Sep 27, 2007
Nitrate-Nitrite 1038 Inorganic Chemical 1 of 45 results May 7, 2007 May 7, 2007
Nitrate 1040 Inorganic Chemical 1 of 45 results May 7, 2007 May 7, 2007
Selenium 1045 Inorganic Chemical 1 of 22 results Feb 15, 2006 Feb 15, 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 221–229 of 229 samples, newest first — collected September 29, 2003 to February 25, 2004. The summary above covers all 229.

93 results from the 9 samples listed here: 15 detected, 78 not detected. 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 Town of Heidelberg, every result from 221 to 229 of 229 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
Feb 25, 2004
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
040226-045CN
Laboratory
MSDH Lab
Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Feb 25, 2004, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2002 – Dec 31, 2004
Collected
Feb 25, 2004
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
040226-018IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Feb 25, 2004, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.009 mg/l , sample collected Feb 25, 2004, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Feb 25, 2004, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Feb 25, 2004, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.208 mg/l , sample collected Feb 25, 2004, sampling point TF102 Fluoride 1025 EPA method 300.0 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 25, 2004, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.001 mg/l , sample collected Feb 25, 2004, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Feb 25, 2004, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
65.2 mg/l , sample collected Feb 25, 2004, sampling point TF102 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Feb 25, 2004, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Feb 25, 2004, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 25, 2004, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Collected
Feb 25, 2004
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
040226-017IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Feb 25, 2004, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.009 mg/l , sample collected Feb 25, 2004, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Feb 25, 2004, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Feb 25, 2004, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.21 mg/l , sample collected Feb 25, 2004, sampling point TF103 Fluoride 1025 EPA method 300.0 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 25, 2004, sampling point TF103 Mercury 1035 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Feb 25, 2004, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Feb 25, 2004, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
65.7 mg/l , sample collected Feb 25, 2004, sampling point TF103 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Feb 25, 2004, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Feb 25, 2004, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 25, 2004, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Collected
Feb 4, 2004
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
040205-015VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF103 1,2,4-Trichlorobenzene 2378 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF103 Cis-1,2-Dichloroethylene 2380 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF103 Xylenes, Total 2955 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF103 Dichloromethane 2964 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF103 O-Dichlorobenzene 2968 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF103 P-Dichlorobenzene 2969 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF103 Vinyl Chloride 2976 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF103 1,1-Dichloroethylene 2977 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF103 Trans-1,2-Dichloroethylene 2979 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF103 1,2-Dichloroethane 2980 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF103 1,1,1-Trichloroethane 2981 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF103 Carbon Tetrachloride 2982 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF103 1,2-Dichloropropane 2983 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF103 Trichloroethylene 2984 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF103 1,1,2-Trichloroethane 2985 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF103 Tetrachloroethylene 2987 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF103 Chlorobenzene 2989 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF103 Benzene 2990 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF103 Toluene 2991 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF103 Ethylbenzene 2992 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF103 Styrene 2996 Jan 1, 2004 – Mar 31, 2004
Collected
Feb 4, 2004
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
040205-014VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF102 1,2,4-Trichlorobenzene 2378 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF102 Cis-1,2-Dichloroethylene 2380 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF102 Xylenes, Total 2955 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF102 Dichloromethane 2964 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF102 O-Dichlorobenzene 2968 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF102 P-Dichlorobenzene 2969 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF102 Vinyl Chloride 2976 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF102 1,1-Dichloroethylene 2977 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF102 Trans-1,2-Dichloroethylene 2979 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF102 1,2-Dichloroethane 2980 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF102 1,1,1-Trichloroethane 2981 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF102 Carbon Tetrachloride 2982 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF102 1,2-Dichloropropane 2983 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF102 Trichloroethylene 2984 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF102 1,1,2-Trichloroethane 2985 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF102 Tetrachloroethylene 2987 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF102 Chlorobenzene 2989 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF102 Benzene 2990 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF102 Toluene 2991 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF102 Ethylbenzene 2992 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 4, 2004, sampling point TF102 Styrene 2996 Jan 1, 2004 – Mar 31, 2004
Collected
Sep 29, 2003
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
030930-089IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 29, 2003, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.006 mg/l , sample collected Sep 29, 2003, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Sep 29, 2003, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.001 mg/l , sample collected Sep 29, 2003, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.24 mg/l , sample collected Sep 29, 2003, sampling point TF103 Fluoride 1025 EPA method 300.0 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 29, 2003, sampling point TF103 Mercury 1035 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Sep 29, 2003, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 29, 2003, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
53.5 mg/l , sample collected Sep 29, 2003, sampling point TF103 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 29, 2003, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Sep 29, 2003, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 29, 2003, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Collected
Sep 29, 2003
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
030930-088IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 29, 2003, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.009 mg/l , sample collected Sep 29, 2003, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Sep 29, 2003, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.001 mg/l , sample collected Sep 29, 2003, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.185 mg/l , sample collected Sep 29, 2003, sampling point TF102 Fluoride 1025 EPA method 300.0 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 29, 2003, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Sep 29, 2003, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 29, 2003, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
58.8 mg/l , sample collected Sep 29, 2003, sampling point TF102 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 29, 2003, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Sep 29, 2003, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 29, 2003, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Collected
Sep 29, 2003
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
030930-027CN
Laboratory
MSDH Lab
Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Sep 29, 2003, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2002 – Dec 31, 2004
Collected
Sep 29, 2003
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
030930-016CN
Laboratory
MSDH Lab
Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Sep 29, 2003, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2002 – Dec 31, 2004

Routine (9).