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Water Source Contaminants Profile

Public Water Systems (PWS)

PWSID PWS Name Pop. Served Source Water System Type

PWSID
NY3503524
PWS Name
CHESTER VILLAGE
Pop. Served
3448
Source Water
Surface Water
System Type
CWS

Regulated Contaminants (showing 45 of 45 records)

Contaminant In Violation From In Violation Until Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Health Based Violation Sampling Period Begin Sampling Period End 90th percentile measure mg/L exceedance

Contaminant
2,4-D
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
2,4,5-TP
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
3-HYDROXYCARBOFURAN
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
ALACHLOR ESA
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
ALDICARB
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
ALDICARB SULFONE
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
ALDICARB SULFOXIDE
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
ALDRIN
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
ARSENIC
In Violation From
1/1/2019
In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
ATRAZINE
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
BENZENE
In Violation From
1/1/2019
In Violation Until
7/6/2021
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
BENZO(A)PYRENE
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
BHC-GAMMA
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
BIS(2-ETHYLHEXYL) PHTHALATE
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
BUTACHLOR
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
CARBARYL
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
CARBOFURAN
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
CHLORDANE
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
DALAPON
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
DI(2-ETHYLHEXYL) ADIPATE
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
DI(2-ETHYLHEXYL) PHTHALATE
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
DICAMBA
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
DIELDRIN
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
DINOSEB
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
ENDRIN
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
ETHYLENE DIBROMIDE
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
HEPTACHLOR
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
HEPTACHLOR EPOXIDE
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
HEXACHLOROBENZENE
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
HEXACHLOROCYCLOPENTADIENE
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
LASSO
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
Lead (90th Percentile)
In Violation From
In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Maximum Contaminant Level Violation Health Based Violation
Sampling Period Begin
1/1/2021
Sampling Period End
12/31/2023
90th percentile measure mg/L exceedancePlease refer to the lead section for more information. 0.012000000

Contaminant
Lead (90th Percentile)
In Violation From
In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Maximum Contaminant Level Violation Health Based Violation
Sampling Period Begin
1/1/2018
Sampling Period End
12/31/2020
90th percentile measure mg/L exceedancePlease refer to the lead section for more information. 0.012000000

Contaminant
Lead (90th Percentile)
In Violation From
In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Maximum Contaminant Level Violation Health Based Violation
Sampling Period Begin
1/1/2015
Sampling Period End
12/31/2017
90th percentile measure mg/L exceedancePlease refer to the lead section for more information. 0.006300000

Contaminant
METHOMYL
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
METHOXYCHLOR
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
METOLACHLOR
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
METRIBUZIN
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
NITRATE
In Violation From
1/1/2019
In Violation Until
7/6/2021
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
OXAMYL
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PENTACHLOROPHENOL
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERCENT SODIUM
In Violation From
1/1/2019
In Violation Until
7/6/2021
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PICLORAM
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PROPACHLOR
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
SIMAZINE
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
SODIUM
In Violation From
1/1/2019
In Violation Until
7/6/2021
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
TOTAL HALOACETIC ACIDS (HAA5)
In Violation From
7/1/2024
In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Maximum Contaminant Level Violation Health Based Violation
Y
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
TOTAL HALOACETIC ACIDS (HAA5)
In Violation From
4/1/2017
In Violation Until
10/5/2017
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
TOTAL POLYCHLORINATED BIPHENYLS (PCB)
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
TOXAPHENE
In Violation From
7/1/2016
In Violation Until
2/27/2018
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
TTHM
In Violation From
7/1/2024
In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Maximum Contaminant Level Violation Health Based Violation
Y
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
TTHM
In Violation From
4/1/2019
In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Maximum Contaminant Level Violation Health Based Violation
Y
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
TTHM
In Violation From
4/1/2017
In Violation Until
10/5/2017
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
TTHM
In Violation From
1/1/2019
In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Maximum Contaminant Level Violation Health Based Violation
Y
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Show all 45 records
Unregulated Contaminants (Detected contaminants appear first, with all “non-detect” samples listed by contaminant tested at the end.)

Contaminant Facility Water Type Sample ID Collection Date Minimum Reporting Level Measure (parts per billion)

Contaminant
anatoxin-a
Facility Water Type SW Sample ID
712672P
Collection Date
6/18/2019
Minimum Reporting Level
0.03
Measure (parts per billion)
Not Detected

Contaminant
anatoxin-a
Facility Water Type SW Sample ID
712671P
Collection Date
6/5/2019
Minimum Reporting Level
0.03
Measure (parts per billion)
Not Detected

Contaminant
anatoxin-a
Facility Water Type SW Sample ID
711938P
Collection Date
5/21/2019
Minimum Reporting Level
0.03
Measure (parts per billion)
Not Detected

Contaminant
anatoxin-a
Facility Water Type SW Sample ID
711937P
Collection Date
5/7/2019
Minimum Reporting Level
0.03
Measure (parts per billion)
Not Detected

Contaminant
anatoxin-a
Facility Water Type SW Sample ID
711092P
Collection Date
4/15/2019
Minimum Reporting Level
0.03
Measure (parts per billion)
Not Detected

Contaminant
anatoxin-a
Facility Water Type SW Sample ID
711091P
Collection Date
4/1/2019
Minimum Reporting Level
0.03
Measure (parts per billion)
Not Detected

Contaminant
anatoxin-a
Facility Water Type SW Sample ID
710818P
Collection Date
3/18/2019
Minimum Reporting Level
0.03
Measure (parts per billion)
Not Detected

Contaminant
anatoxin-a
Facility Water Type SW Sample ID
710817P
Collection Date
3/5/2019
Minimum Reporting Level
0.03
Measure (parts per billion)
Not Detected

Contaminant
cylindrospermopsin
Facility Water Type SW Sample ID
712672P
Collection Date
6/18/2019
Minimum Reporting Level
0.09
Measure (parts per billion)
Not Detected

Contaminant
cylindrospermopsin
Facility Water Type SW Sample ID
712671P
Collection Date
6/5/2019
Minimum Reporting Level
0.09
Measure (parts per billion)
Not Detected

Contaminant
cylindrospermopsin
Facility Water Type SW Sample ID
711938P
Collection Date
5/21/2019
Minimum Reporting Level
0.09
Measure (parts per billion)
Not Detected

Contaminant
cylindrospermopsin
Facility Water Type SW Sample ID
711937P
Collection Date
5/7/2019
Minimum Reporting Level
0.09
Measure (parts per billion)
Not Detected

Contaminant
cylindrospermopsin
Facility Water Type SW Sample ID
711092P
Collection Date
4/15/2019
Minimum Reporting Level
0.09
Measure (parts per billion)
Not Detected

Contaminant
cylindrospermopsin
Facility Water Type SW Sample ID
711091P
Collection Date
4/1/2019
Minimum Reporting Level
0.09
Measure (parts per billion)
Not Detected

Contaminant
cylindrospermopsin
Facility Water Type SW Sample ID
710818P
Collection Date
3/18/2019
Minimum Reporting Level
0.09
Measure (parts per billion)
Not Detected

Contaminant
cylindrospermopsin
Facility Water Type SW Sample ID
710817P
Collection Date
3/5/2019
Minimum Reporting Level
0.09
Measure (parts per billion)
Not Detected

Contaminant
total microcystins
Facility Water Type SW Sample ID
712672P
Collection Date
6/18/2019
Minimum Reporting Level
0.3
Measure (parts per billion)
Not Detected

Contaminant
total microcystins
Facility Water Type SW Sample ID
712671P
Collection Date
6/5/2019
Minimum Reporting Level
0.3
Measure (parts per billion)
Not Detected

Contaminant
total microcystins
Facility Water Type SW Sample ID
711938P
Collection Date
5/21/2019
Minimum Reporting Level
0.3
Measure (parts per billion)
Not Detected

Contaminant
total microcystins
Facility Water Type SW Sample ID
711937P
Collection Date
5/7/2019
Minimum Reporting Level
0.3
Measure (parts per billion)
Not Detected

Contaminant
total microcystins
Facility Water Type SW Sample ID
711092P
Collection Date
4/15/2019
Minimum Reporting Level
0.3
Measure (parts per billion)
Not Detected

Contaminant
total microcystins
Facility Water Type SW Sample ID
711091P
Collection Date
4/1/2019
Minimum Reporting Level
0.3
Measure (parts per billion)
Not Detected

Contaminant
total microcystins
Facility Water Type SW Sample ID
710818P
Collection Date
3/18/2019
Minimum Reporting Level
0.3
Measure (parts per billion)
Not Detected

Contaminant
total microcystins
Facility Water Type SW Sample ID
710817P
Collection Date
3/5/2019
Minimum Reporting Level
0.3
Measure (parts per billion)
Not Detected

showing records 1–24  (of 24)