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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

MS0360017 , Yocona Water Association, Inc.

18 of the 57 analytes this system has been tested for have been detected at least once, across 214 samples on record.

The other 39 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 214 samples on record, detections range from September 29, 2003 to July 13, 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 Yocona Water Association, Inc., 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 57 of 57 results Jul 31, 2007 Nov 12, 2025
Barium 1010 Inorganic Chemical 23 of 23 results Sep 29, 2003 Jul 13, 2026
Lead 1030 Inorganic Chemical 16 of 57 results Jul 31, 2007 Sep 26, 2025
TTHM 2950 Organic Chemical 15 of 16 results Jun 21, 2004 Jun 17, 2026
Nickel 1036 Inorganic Chemical 13 of 22 results Feb 2, 2009 Oct 13, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 12 of 16 results Sep 21, 2009 Jun 17, 2026
Chloroform 2941 Organic Chemical 12 of 12 results Aug 14, 2007 Jun 17, 2026
Bromodichloromethane 2943 Organic Chemical 12 of 12 results Aug 14, 2007 Jun 17, 2026
Dichloroacetic Acid 2451 Organic Chemical 9 of 11 results Sep 21, 2009 Jun 17, 2026
Trichloroacetic Acid 2452 Organic Chemical 9 of 11 results Sep 21, 2009 Jun 17, 2026
Dibromochloromethane 2944 Organic Chemical 8 of 12 results Aug 14, 2007 Jun 17, 2026
Chromium 1020 Inorganic Chemical 8 of 23 results Feb 23, 2004 Jul 23, 2025
Xylenes, Total 2955 Organic Chemical 6 of 48 results Nov 1, 2004 Jan 27, 2010
Fluoride 1025 Inorganic Chemical 5 of 23 results Feb 2, 2009 Jul 13, 2026
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 12, 2011 Jul 17, 2012
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 23, 2019 Feb 25, 2025
Monobromoacetic Acid 2453 Organic Chemical 1 of 11 results Jun 15, 2020 Jun 15, 2020
Ethylbenzene 2992 Organic Chemical 1 of 48 results Nov 1, 2004 Nov 1, 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 61–70 of 214 samples, newest first — collected April 3, 2019 to June 28, 2020. The summary above covers all 214.

53 results from the 10 samples listed here: 16 detected, 37 not detected. Across the whole record it is 215 of 1,659. 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 Yocona Water Association, Inc., every result from 61 to 70 of 214 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
Jun 28, 2020 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200630-036PB
Laboratory
MSDH Lab
0.0162 mg/l , sample collected Jun 28, 2020 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 28, 2020 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Jun 15, 2020
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200616-006TH
Laboratory
MSDH Lab
2.04 ug/l , sample collected Jun 15, 2020, sampling point DS000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 15, 2020, sampling point DS000 Bromoform 2942 EPA method 524.2 Not recorded
1.63 ug/l , sample collected Jun 15, 2020, sampling point DS000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 15, 2020, sampling point DS000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
3.67 ug/l , sample collected Jun 15, 2020, sampling point DS000 TTHM 2950 Jan 1, 2020 – Dec 31, 2020
Collected
Jun 15, 2020 14:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200616-006HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Jun 15, 2020 14:00, sampling point DS000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.002 mg/l , sample collected Jun 15, 2020 14:00, sampling point DS000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.002 mg/l , sample collected Jun 15, 2020 14:00, sampling point DS000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
0.003 mg/l , sample collected Jun 15, 2020 14:00, sampling point DS000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 15, 2020 14:00, sampling point DS000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.007 mg/l , sample collected Jun 15, 2020 14:00, sampling point DS000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2020 – Dec 31, 2020
Collected
May 6, 2020 01:30
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
200507-011VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 6, 2020 01:30, sampling point TF103 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 6, 2020 01:30, sampling point TF103 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 6, 2020 01:30, sampling point TF103 Xylenes, Total 2955 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 6, 2020 01:30, sampling point TF103 Dichloromethane 2964 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 6, 2020 01:30, sampling point TF103 O-Dichlorobenzene 2968 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 6, 2020 01:30, sampling point TF103 P-Dichlorobenzene 2969 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 6, 2020 01:30, sampling point TF103 Vinyl Chloride 2976 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 6, 2020 01:30, sampling point TF103 1,1-Dichloroethylene 2977 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 6, 2020 01:30, sampling point TF103 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 6, 2020 01:30, sampling point TF103 1,2-Dichloroethane 2980 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 6, 2020 01:30, sampling point TF103 1,1,1-Trichloroethane 2981 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 6, 2020 01:30, sampling point TF103 Carbon Tetrachloride 2982 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 6, 2020 01:30, sampling point TF103 1,2-Dichloropropane 2983 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 6, 2020 01:30, sampling point TF103 Trichloroethylene 2984 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 6, 2020 01:30, sampling point TF103 1,1,2-Trichloroethane 2985 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 6, 2020 01:30, sampling point TF103 Tetrachloroethylene 2987 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 6, 2020 01:30, sampling point TF103 Chlorobenzene 2989 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 6, 2020 01:30, sampling point TF103 Benzene 2990 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 6, 2020 01:30, sampling point TF103 Toluene 2991 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 6, 2020 01:30, sampling point TF103 Ethylbenzene 2992 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 6, 2020 01:30, sampling point TF103 Styrene 2996 EPA method 524.2 Not recorded
Collected
Mar 16, 2020 14:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
200317-012NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 16, 2020 14:30, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 16, 2020 14:30, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 16, 2020 14:30, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Collected
Sep 23, 2019 10:45
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
680-175396-36
Laboratory
Test America-Savannah
31000 ug/l , sample collected Sep 23, 2019 10:45, sampling point TF102 Sodium 1052 EPA method 200.7 Not recorded
Collected
May 20, 2019 02:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
190521-001CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 20, 2019 02:00, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
Apr 22, 2019 14:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
190423-004HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Apr 22, 2019 14:00, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.001 mg/l , sample collected Apr 22, 2019 14:00, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.001 mg/l , sample collected Apr 22, 2019 14:00, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Apr 22, 2019 14:00, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Apr 22, 2019 14:00, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.002 mg/l , sample collected Apr 22, 2019 14:00, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2019 – Dec 31, 2019
Collected
Apr 22, 2019 14:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
190423-004TH
Laboratory
MSDH Lab
2.05 ug/l , sample collected Apr 22, 2019 14:00, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Apr 22, 2019 14:00, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
1.64 ug/l , sample collected Apr 22, 2019 14:00, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
1.14 ug/l , sample collected Apr 22, 2019 14:00, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
4.83 ug/l , sample collected Apr 22, 2019 14:00, sampling point MRT000 TTHM 2950 Jan 1, 2019 – Dec 31, 2019
Collected
Apr 3, 2019 14:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
190404-004NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 3, 2019 14:00, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 3, 2019 14:00, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 3, 2019 14:00, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019

Routine (10).