Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

Water Quality Samples for USA
Grouped by County

! Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024
with a full decommission expected 6 months later. Learn more about the upcoming change and where to find the new samples data in our blog.
Some complex retrievals may take a few minutes.

Site Selection Results -- 88 sites found


Hydrologic unit = 02030102
Minimum number of samples = 1

Save file of selected sites to local disk for future upload

Data for individual sites can be obtained by selecting the site number below

  group icon Bronx County, New York
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 01302020 BRONX RIVER AT NY BOTANICAL GARDEN AT BRONX NY 2009-05-28 2012-08-27 3
USGS 404930073544201 B 74. 1 2008-08-26 2008-08-26 1
USGS 405242073521001 BRONX RIVER AT WOODLAWN CEMETERY AT BRONX NY 2016-06-06 2016-08-06 43
USGS 405329073514901 B 71. 1 2008-08-26 2008-08-26 1
USGS 405330073510200 B 79 1971-07-12 1973-04-16 8
  group icon Nassau County, New York
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 404853073395901 N 9019. 1 1974-10-15 1977-10-06 6
USGS 404856073442601 N 31. 2 1952-06-01 1983-10-19 36
  group icon Queens County, New York
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 404544073534401 Q 3646. 1 1995-08-09 2000-04-20 3
USGS 404719073471501 Q 2686. 1 1970-08-06 1970-08-06 1
  group icon Westchester County, New York
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 01300500 BEAVER SWAMP BROOK AT MAMARONECK NY 1971-06-30 1972-06-21 5
USGS 01300799 WE 47 1971-12-14 1971-12-14 1
USGS 01300900 SHELDRAKE RIVER AT MAMARONECK NY 1971-12-09 1971-12-09 1
USGS 01301000 MAMARONECK RIVER AT MAMARONECK NY 1971-06-02 1972-06-20 5
USGS 01301500 HUTCHINSON RIVER AT PELHAM NY 1972-06-19 2012-08-27 4
USGS 01301830 WHIPPOORWILL CREEK NEAR PLEASANTVILLE NY 2000-07-12 2000-07-12 1
USGS 01301850 BEAR GUTTER CREEK NEAR ARMONK NY 2000-07-12 2001-07-09 5
USGS 01301870 KENSICO TRIBUTARY E-11, EAST OF VALHALLA NY 2000-07-12 2000-07-12 3
USGS 01301900 KENSICO RESERVOIR AT VALHALLA NY 1999-01-26 2013-01-10 98
USGS 01301960 TROUBLESOME BROOK AT BRONX R PKWY NR TUCKAHOE NY 2022-04-25 2022-06-30 2
USGS 01302000 BRONX RIVER AT BRONXVILLE NY 1970-04-03 1976-08-03 5
USGS 405409073485501 HUTCHINSON RIVER AT COLONIAL AVE AT PELHAM NY 2016-06-07 2016-08-05 37
USGS 405420073520901 WE 6 2012-11-26 2012-11-26 1
USGS 405422073520502 WE5041 2015-10-27 2015-10-27 1
USGS 405423073520401 WE5050 2012-11-27 2015-10-27 2
USGS 405423073521001 WE5033 2015-11-18 2015-11-18 2
USGS 405424073520301 WE5035 2006-05-01 2015-10-27 2
USGS 405424073520501 WE5043 2015-10-06 2015-10-06 1
USGS 405425073520101 Kimball Ave Seep 2012-11-26 2012-11-26 1
USGS 405425073520201 WE5048 2015-10-27 2015-10-27 1
USGS 405425073520501 WE5055 2015-11-18 2015-11-18 1
USGS 405425073520502 WE5060 2015-10-20 2015-10-20 1
USGS 405425073520901 HILLVIEW RESERVOIR HILLSIDE SEEP B NR YONKERS NY 2007-09-06 2015-08-13 17
USGS 405425073521101 HILLVIEW RESERVOIR HILLSIDE SEEP E NR YONKERS NY 2006-02-08 2015-10-13 8
USGS 405425073521102 Manhole Outflow near Stone Wall 2015-12-10 2015-12-10 3
USGS 405425073524001 WE5040 2015-10-06 2015-10-06 1
USGS 405426073520501 WE5026 2006-05-01 2015-10-20 2
USGS 405426073520502 WE5064 2015-10-15 2015-10-15 1
USGS 405426073520702 WE5057 2015-11-16 2015-11-18 3
USGS 405426073521001 WE5022 2006-02-07 2015-10-08 2
USGS 405426073521002 WE5024 2006-05-01 2015-10-07 2
USGS 405426073521003 WE5063 2006-02-07 2015-10-08 2
USGS 405426073521004 WE5071 2006-02-06 2015-10-07 2
USGS 405426073521101 HILLVIEW RESERVOIR HILLSIDE SEEP A NR YONKERS NY 2006-02-06 2006-02-06 1
USGS 405426073521201 WE5046 2006-05-02 2015-11-18 4
USGS 405427073520102 WE5067 2015-11-17 2015-11-17 2
USGS 405427073520401 WE5039 2015-10-20 2015-10-20 1
USGS 405427073520402 WE5045 2015-10-21 2015-10-21 1
USGS 405427073520801 WE5068 2015-11-17 2015-11-17 2
USGS 405427073520802 WE5072 2006-02-07 2015-10-07 2
USGS 405427073520901 WE5042 2015-10-29 2015-10-29 1
USGS 405427073520902 WE5066 2015-10-29 2015-10-29 1
USGS 405427073521101 WE5049 2006-05-01 2015-10-08 2
USGS 405427073521102 WE5056 2006-05-02 2006-05-02 1
USGS 405427073521103 WE5070 2015-10-14 2015-10-14 1
USGS 405428073520301 WE5031 2015-11-17 2015-11-17 1
USGS 405428073520901 WE5051 2006-02-07 2015-10-07 2
USGS 405428073520902 WE5062 2006-02-07 2015-10-07 2
USGS 405429073521201 WE5069 2015-10-14 2015-10-14 1
USGS 405432073521001 DOWNTAKE CHAMBER 1 2006-02-08 2015-10-21 4
USGS 405436073515801 WE5023 2015-11-17 2015-11-17 1
USGS 405436073521701 WE5047 2015-11-19 2015-11-19 1
USGS 405440073522001 WE5053 2015-11-19 2015-11-19 1
USGS 405441073515701 WE5078 2015-12-21 2015-12-21 1
USGS 405444073522301 WE5061 2015-11-19 2015-11-19 1
USGS 405445073520201 WE5036 2015-11-16 2015-11-16 1
USGS 405445073520202 WE5052 2015-11-16 2015-11-16 1
USGS 405449073520001 WE5079 2015-12-10 2015-12-10 1
USGS 405454073520701 WE5030 2015-11-16 2015-11-16 1
USGS 405454073520702 WE5044 2015-11-16 2015-11-16 1
USGS 405454073522201 WE5073 2015-11-19 2015-11-19 2
USGS 405502073521101 WE5025 2015-11-17 2015-11-17 2
USGS 405642073451800 SHELDRAKE RIVER AT FERNWOOD AVE AT LARCHMONT NY 1976-11-17 1976-11-17 1
USGS 405708073440301 MAMARONECK RIVER AT WARD AVE AT MAMARONECK NY 2016-06-08 2016-08-05 30
USGS 405712073441800 SHELDRAKE RIVER AT MAMARONECK AVE 1976-08-03 1976-11-17 2
USGS 405713073463700 SHELDRAKE LAKE AT INLET AT NEW ROCHELLE NY 1976-11-17 1976-11-17 1
USGS 405720073462201 WE 44 1971-12-09 1971-12-09 1
USGS 405724073463700 SHELDRAKE R AT QUAKER RIDGE RD NEW ROCHELLE NY 1976-08-03 1976-08-03 1
USGS 405805073441501 WE 48 1971-12-14 1971-12-14 1
USGS 410100073490001 WE3852 1973-02-08 1973-02-08 1
USGS 410305073454500 WE 50 1971-12-14 1971-12-14 1
USGS 410306073454901 WE 652 2008-08-12 2008-08-14 4
USGS 410357073461700 WE 32 1975-01-17 1975-01-17 1
USGS 410357073461701 WE3859 1975-01-17 1975-01-17 1
USGS 410400073462501 Bronx River blw Kenisco Reservoir at Valhalla NY 2019-06-19 2019-10-10 20
USGS 410517073465100 WE 53 1971-12-13 1971-12-13 1
USGS 410714073431401 BEAR GUTTER CREEK AT ARMONK NY 2001-07-09 2001-07-09 2
USGS 410831073445300 WE 58 1975-01-21 1975-01-21 1
USGS 410831073445301 WE 59 1975-01-21 1975-01-21 1