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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

MS0330004 , Good Hope Water Association

19 of the 57 analytes this system has been tested for have been detected at least once, across 203 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 203 samples on record, detections range from September 24, 2003 to December 3, 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 Good Hope Water Association, 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 77 of 77 results Jul 27, 2006 Aug 13, 2024
Nitrate-Nitrite 1038 Inorganic Chemical 31 of 31 results May 17, 2004 Feb 24, 2025
Nitrate 1040 Inorganic Chemical 31 of 31 results May 17, 2004 Feb 24, 2025
TTHM 2950 Organic Chemical 18 of 20 results Jun 16, 2004 Dec 3, 2025
Barium 1010 Inorganic Chemical 16 of 16 results Sep 24, 2003 Feb 24, 2025
Dibromochloromethane 2944 Organic Chemical 14 of 16 results Aug 7, 2007 Dec 3, 2025
Lead 1030 Inorganic Chemical 14 of 77 results Jul 27, 2006 Aug 13, 2024
Bromodichloromethane 2943 Organic Chemical 12 of 16 results Jun 29, 2015 Dec 3, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 10 results Dec 12, 2011 Jul 18, 2012
Chloroform 2941 Organic Chemical 6 of 16 results Jun 29, 2015 Sep 16, 2025
Nickel 1036 Inorganic Chemical 5 of 16 results Jan 12, 2009 Feb 24, 2025
Combined Radium (-226 & -228) 4010 Radionuclide 5 of 10 results Dec 12, 2011 Jul 18, 2012
Radium-226 4020 Radionuclide 5 of 10 results Dec 12, 2011 Jul 18, 2012
Bromoform 2942 Organic Chemical 4 of 16 results May 20, 2019 Nov 20, 2024
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 17, 2019 Feb 3, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 3 of 20 results Aug 7, 2007 Jun 15, 2020
Monobromoacetic Acid 2453 Organic Chemical 2 of 14 results Sep 25, 2008 Jun 15, 2020
Dibromoacetic Acid 2454 Organic Chemical 1 of 14 results Jun 15, 2020 Jun 15, 2020
Dichloromethane 2964 Organic Chemical 1 of 12 results Aug 5, 2004 Aug 5, 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 151–160 of 203 samples, newest first — collected May 2, 2007 to September 25, 2008. The summary above covers all 203.

71 results from the 10 samples listed here: 14 detected, 57 not detected. Across the whole record it is 258 of 921. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

Units in this table

TTHM is recorded on this page in ug/l and mg/l. 1 mg/l = 1,000 ug/l.

Chemical and radiological sample results for Good Hope Water Association, every result from 151 to 160 of 203 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
Sep 25, 2008
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
080926-008TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 25, 2008, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 25, 2008, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 25, 2008, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 25, 2008, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
0 This result is recorded as a detection, and the figure the agency wrote — "0.00" — is zero to the precision it was written to. Read the zero as "smaller than the written figure resolves", not as "none present". SDWIS holds a separate numeric concentration that Drinking Water Watch does not publish, so this endpoint does not carry it either; no more precise magnitude is available here. The agency recorded a value but no unit of measure for it. The unit is NOT inferable from the analyte: many analytes are reported in more than one unit — TTHM and HAA5 in both MG/L and UG/L — so there is no per-analyte default to fall back on. The number is published as it stands and must not be compared to a limit. The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Sep 25, 2008, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2008 – Dec 31, 2010
Collected
Sep 25, 2008
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
080926-008HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Sep 25, 2008, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 25, 2008, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 25, 2008, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
0.003 mg/l , sample collected Sep 25, 2008, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 25, 2008, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0 mg/l This result is recorded as a detection, and the figure the agency wrote — "0.00" — is zero to the precision it was written to. Read the zero as "smaller than the written figure resolves", not as "none present". SDWIS holds a separate numeric concentration that Drinking Water Watch does not publish, so this endpoint does not carry it either; no more precise magnitude is available here. , sample collected Sep 25, 2008, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2008 – Dec 31, 2010
Collected
Jun 11, 2008
Sampling point
TF082 Treatment Plant T082
Sample type
Routine
Lab sample
080612-038NI
Laboratory
MSDH Lab
0.31 mg/l , sample collected Jun 11, 2008, sampling point TF082 Nitrate-Nitrite 1038 EPA method 353.2 Not recorded
0.31 mg/l , sample collected Jun 11, 2008, sampling point TF082 Nitrate 1040 EPA method 353.2 Not recorded
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jun 11, 2008, sampling point TF082 Nitrite 1041 EPA method 353.2 Not recorded
Collected
Jun 9, 2008
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
080610-104NI
Laboratory
MSDH Lab
0.45 mg/l , sample collected Jun 9, 2008, sampling point TF081 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
0.45 mg/l , sample collected Jun 9, 2008, sampling point TF081 Nitrate 1040 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jun 9, 2008, sampling point TF081 Nitrite 1041 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Collected
May 8, 2008
Sampling point
TF082 Treatment Plant T082
Sample type
Routine
Lab sample
080509-004VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 8, 2008, sampling point TF082 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 8, 2008, sampling point TF082 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 8, 2008, sampling point TF082 Xylenes, Total 2955 EPA method 524.2 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 8, 2008, sampling point TF082 Dichloromethane 2964 EPA method 524.2 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 8, 2008, sampling point TF082 O-Dichlorobenzene 2968 EPA method 524.2 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 8, 2008, sampling point TF082 P-Dichlorobenzene 2969 EPA method 524.2 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 8, 2008, sampling point TF082 Vinyl Chloride 2976 EPA method 524.2 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 8, 2008, sampling point TF082 1,1-Dichloroethylene 2977 EPA method 524.2 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 8, 2008, sampling point TF082 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 8, 2008, sampling point TF082 1,2-Dichloroethane 2980 EPA method 524.2 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 8, 2008, sampling point TF082 1,1,1-Trichloroethane 2981 EPA method 524.2 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 8, 2008, sampling point TF082 Carbon Tetrachloride 2982 EPA method 524.2 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 8, 2008, sampling point TF082 1,2-Dichloropropane 2983 EPA method 524.2 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 8, 2008, sampling point TF082 Trichloroethylene 2984 EPA method 524.2 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 8, 2008, sampling point TF082 1,1,2-Trichloroethane 2985 EPA method 524.2 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 8, 2008, sampling point TF082 Tetrachloroethylene 2987 EPA method 524.2 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 8, 2008, sampling point TF082 Chlorobenzene 2989 EPA method 524.2 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 8, 2008, sampling point TF082 Benzene 2990 EPA method 524.2 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 8, 2008, sampling point TF082 Toluene 2991 EPA method 524.2 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 8, 2008, sampling point TF082 Ethylbenzene 2992 EPA method 524.2 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 8, 2008, sampling point TF082 Styrene 2996 EPA method 524.2 Not recorded
Collected
May 5, 2008
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
080506-019VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2008, sampling point TF081 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2008, sampling point TF081 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2008, sampling point TF081 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2008, sampling point TF081 Dichloromethane 2964 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2008, sampling point TF081 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2008, sampling point TF081 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2008, sampling point TF081 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2008, sampling point TF081 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2008, sampling point TF081 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2008, sampling point TF081 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2008, sampling point TF081 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2008, sampling point TF081 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2008, sampling point TF081 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2008, sampling point TF081 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2008, sampling point TF081 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2008, sampling point TF081 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2008, sampling point TF081 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2008, sampling point TF081 Benzene 2990 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2008, sampling point TF081 Toluene 2991 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2008, sampling point TF081 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2008, sampling point TF081 Styrene 2996 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Collected
Aug 7, 2007
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
070808-004HA
Laboratory
MSDH Lab
0.0026 mg/l The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Aug 7, 2007, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2005 – Dec 31, 2007
Collected
Aug 7, 2007
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
070808-004TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 7, 2007, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 7, 2007, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 7, 2007, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
1.26 ug/l , sample collected Aug 7, 2007, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
1.26 ug/l , sample collected Aug 7, 2007, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2005 – Dec 31, 2007
Collected
May 2, 2007
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
070503-043NI
Laboratory
MSDH Lab
0.4 mg/l , sample collected May 2, 2007, sampling point TF081 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
0.4 mg/l , sample collected May 2, 2007, sampling point TF081 Nitrate 1040 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 2, 2007, sampling point TF081 Nitrite 1041 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Collected
May 2, 2007
Sampling point
TF082 Treatment Plant T082
Sample type
Routine
Lab sample
070503-002NI
Laboratory
MSDH Lab
0.25 mg/l , sample collected May 2, 2007, sampling point TF082 Nitrate-Nitrite 1038 EPA method 353.2 Not recorded
0.25 mg/l , sample collected May 2, 2007, sampling point TF082 Nitrate 1040 EPA method 353.2 Not recorded
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 2, 2007, sampling point TF082 Nitrite 1041 EPA method 353.2 Not recorded

Routine (10).