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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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.
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Site Selection Results -- 198 sites found


Hydrologic unit = 08090302
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 Ascension Parish, Louisiana
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 07380256 Bayou Sigur nr White Castle, LA 1975-04-08 1975-04-14 2
USGS 300532091022201 An-143 1959-10-21 1959-10-21 1
USGS 300542091044901 An-145 1962-02-08 1962-02-08 1
USGS 300650091025001 An-298 1979-11-29 1979-11-29 1
USGS 300653091025801 An-81 1950-07-10 1958-12-24 2
USGS 300653091025901 An-166 1959-12-08 1961-04-10 4
USGS 300657091025601 An-282 1979-11-29 1979-11-29 1
USGS 300657091025602 An-283 1979-11-29 1979-11-29 1
USGS 300658091025701 An-83 1960-04-22 1961-01-06 2
USGS 300753091041201 An-227 1963-04-23 1963-04-23 1
USGS 301105091025601 An-241 1964-04-03 1964-04-03 5
USGS 301106091025301 An-231 1959-05-01 1963-04-23 3
USGS 301140091022701 An-232 1959-05-01 1962-09-13 2
USGS 301142091022601 An-233 1953-09-02 1953-09-02 1
  group icon Assumption Parish, Louisiana
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 07380263 GRAND BAYOU TRIBUTARY NR BELLE ROSE, LA. 1975-04-08 1975-04-14 2
USGS 07381459 LK VERRET NR BELLWOOD, LA 1962-02-05 1970-07-16 4
USGS 07381461 BAY SHERMAN NEAR LABADIEVILLE 1962-02-14 1962-05-28 2
USGS 073814675 Bayou Boeuf at Railroad Bridge at Amelia, LA 1997-11-21 2019-10-23 173
USGS 07381468 BYU BOEUF @ U S HWY 190 @ AMELIA, LA 1980-10-08 1992-07-22 240
USGS 293752091050000 BYU CHENE (IWW MI 85.6) NR AMELIA, LA 1977-05-12 1977-05-12 1
USGS 293827091060100 BYU CHENE (IWW @ MI 87.0) NR AMELIA, LA 1977-05-12 1977-05-12 1
USGS 293918091060200 BYU BOEUF 0.5 MI BELOW US HWY 190 NR AMELIA, LA 1977-05-12 1977-05-12 1
USGS 294500091020400 Hothman Bayou @ Hwy 398 1998-06-16 1998-06-16 1
USGS 295022090571901 As-65 1955-12-05 1955-12-05 1
USGS 295024090571901 As-51 1952-05-05 1952-05-05 1
USGS 295030091055600 LK VERRET NR GEORGIA, LA 1979-11-20 1986-10-29 33
USGS 295059091053000 LK VERRET @ MOUTH OF CANCIENNE CANAL 1975-05-09 1975-05-09 1
USGS 295104090580701 As-27 1957-03-18 1961-05-04 2
USGS 295106091061300 CANCIENNE CANAL @ MOUTH NR ATTAKAPAS LANDING 1975-05-09 1975-05-09 1
USGS 295215091045000 Cancienne Canal @ Hwy 400 1998-06-16 1999-08-31 5
USGS 295217090574902 As-39 1960-10-13 1961-10-02 3
USGS 295219091092500 LK VERRET 7 MI SSE NR PIERRE PART, LA 1975-05-09 1975-05-09 1
USGS 295227091004501 As-40 1939-01-01 1939-01-01 1
USGS 295227091004502 As-41 1960-10-07 1960-10-07 1
USGS 295248091011201 As-30 1943-05-27 1943-09-24 2
USGS 295248091011202 As-31 1960-07-25 1961-04-10 3
USGS 295333091043701 As-47 1960-10-13 1961-05-04 2
USGS 295349091035701 As-66 1960-12-01 1960-12-01 1
USGS 295425091034301 As-46 1953-05-01 1960-10-13 2
USGS 295435091123000 Belle River @ Hwy 70 1998-06-16 1999-08-31 5
USGS 295500091100000 LK VERRET NR PIERRE PART, LA 1975-05-07 1986-10-29 38
USGS 295605091083400 LK VERRET @ MOUTH OF LITTLE GRAND BYU 1975-05-07 1975-05-07 1
USGS 295610091110000 LK VERRET 2.4 MI SE NR PIERRE PART, LA 1975-05-07 1975-05-07 1
USGS 295612091013401 As-7 1960-11-30 1960-11-30 1
USGS 295613091082800 LITTLE GRAND BYU @ MOUTH NR NAPOLEONVILLE, LA 1975-05-07 1975-05-07 1
USGS 295618091012101 As-2 1939-06-01 1947-03-01 3
USGS 295619091012001 As-1 1940-07-09 1940-07-09 1
USGS 295622091093500 LK VERRET @ MOUTH OF GRAND BYU NR ST. VINCENT 1975-05-07 1975-05-07 1
USGS 295632091092700 GRAND BAYOU DIVERSION NEAR PIERRE PART,LA. 1975-05-07 1975-05-07 1
USGS 295635091124601 As-22 1951-08-15 1951-08-15 1
USGS 295642091105200 Grand Bayou at Mouth nr Pierre Part, LA 1975-05-07 1975-05-07 1
USGS 295653091112900 PIERRE BAY @ MOUTH NR PIERRE PART, LA 1975-05-07 1975-05-07 1
USGS 295702091024101 As-34 1960-11-29 1960-11-29 1
USGS 295703091023601 As-68 1961-04-06 1961-04-06 1
USGS 295703091024301 As-77 1993-08-18 1993-08-18 1
USGS 295704091024101 As-33 1960-10-07 1962-04-16 6
USGS 295740091310800 ATCHAFALAYA RIVER BASIN STATION WG 1973-09-21 1974-12-05 16
USGS 295747091124101 As-24 1954-02-15 1954-02-15 1
USGS 295800091125000 Bayou Pierre Part @ Hwy 70 @ Pierre Part 1998-06-16 1999-08-31 5
USGS 295900091045701 As-5 1960-10-07 1962-04-16 6
USGS 295901091045701 As-4 1960-10-07 1962-04-16 6
USGS 295925091031901 As-56 1937-02-19 1949-02-14 2
USGS 295930091031201 As-54 1939-04-25 1939-04-25 1
USGS 295958091000601 As-62 1961-04-11 1961-04-11 1
USGS 300022091064701 As-15 1960-11-04 1961-10-02 2
USGS 300026091064201 As-57 1957-12-01 1961-05-04 2
USGS 300029091063901 As-58 1960-11-04 1960-11-04 1
USGS 300037091064701 As-16 1960-11-04 1961-10-02 3
USGS 300042091063501 As-17 1960-11-04 1961-10-02 3
USGS 300102091075500 Grand Bayou @ Hwy 70 1998-06-16 1998-06-16 1
USGS 300247091040600 SI BON CANAL NR LK FAUSSE PT CUT 1977-07-14 1977-08-11 2
USGS 300250091040901 As-18 1949-07-14 1961-10-02 7
USGS 300252091040701 As-20 1949-07-14 1960-10-04 2
USGS 300258091022101 As-53 1953-10-19 1954-02-15 2
USGS 300301091024701 As-25 1949-06-24 1954-08-23 2
USGS 300318091021701 As-42 1956-09-04 1960-10-14 2
USGS 300321091021601 As-29 1953-05-18 1960-10-04 2
USGS 300331091020301 As-28 1955-07-25 1960-10-04 2
USGS 300347091040600 SI BON CANAL NR LK FAUSSE POINTE CUT 1977-08-11 1977-08-11 1
USGS 300404091014101 As-43 1951-01-03 1960-10-12 2
  group icon Concordia Parish, Louisiana
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 292335091122500 ATCHAFALAYA BAY STATION BE B 1974-05-03 1974-05-03 1
  group icon Iberville Parish, Louisiana
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 07380257 Bayou Sigur SE of White Castle, LA 1975-04-08 1975-04-14 2
USGS 07380259 GRAND BAYOU NR BELL ROSE, LA. 1975-04-08 1975-04-14 2
USGS 07380266 Bayou Sigur Diversion nr White Castle, LA 1975-04-08 1975-04-14 2
USGS 300756091075301 Ib-159 1961-04-05 1966-02-07 2
USGS 300949091074601 Ib-195 1966-02-07 1966-02-07 1
USGS 301008091081301 Ib-62 1993-07-07 1993-07-07 1
USGS 301009091081502 Ib-101 1959-05-08 1959-05-08 1
USGS 301019091054501 Ib-67 1958-12-24 1966-05-27 3
USGS 301036091075501 Ib-64 1957-06-19 1961-05-26 2
USGS 301036091075502 Ib-65 1957-04-01 1966-02-07 10
USGS 301046091052601 Ib-66 1958-01-16 1966-05-27 5
USGS 301138091062301 Ib-172 1961-10-26 1966-02-07 2
USGS 301209091042101 Ib-100 1959-07-17 1966-02-07 3
USGS 301517091070601 Ib-266 1982-08-05 1982-08-05 1
  group icon Lafourche Parish, Louisiana
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 07381370 COMPANY CANAL (OLD INTRACOASTAL CANAL) NR BOURG 1956-03-21 1956-08-08 13
USGS 292606090175401 Lr-9 1960-10-25 1960-10-25 1
USGS 292748090201100 LAROSE-GOLDEN MEADOW STATION 0005 1976-05-19 1976-05-19 1
USGS 293324090264200 GIWW WEST OF HARVEY CANAL MILE 40 1975-04-26 1975-04-27 2
USGS 293338090314100 GIWW WEST OF HARVEY CANAL MILE 45 1975-04-26 1975-04-27 2
USGS 293435090362000 GIWW WEST OF HARVEY CANAL MILE 50 1975-04-26 1975-04-27 2
USGS 293900090365801 Lr-22 1976-10-18 1976-10-18 1
USGS 293902090365301 Lr-23 1960-12-20 1960-12-20 1
USGS 293902090370101 Lr-21 1960-12-20 1960-12-20 1
USGS 294052090371701 Lr-25 1960-12-20 1960-12-20 1
USGS 294138090360501 Lr-20 1946-07-10 1946-07-10 1
USGS 294146090295301 Lr-13 1955-07-11 1955-07-11 1
USGS 294540090454201 Lr-19 1960-12-21 1960-12-21 1
USGS 294641090504801 Lr-18 1953-02-17 1953-02-17 1
  group icon St. Charles Parish, Louisiana
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 295730090171001 SC-26 1943-02-16 1943-02-16 1
  group icon St. Martin Parish, Louisiana
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 07381463 GRASSY LAKE SOUTHWEST OF LABADIEVILLE, LA. 1962-02-14 1962-05-28 2
USGS 07381592 INTRACOASTAL WATERWAY NR PIERRE PART, LA. 1973-04-17 1973-04-17 1
USGS 294540091092200 BAYOU MILHOMME 2 MI. BELOW STEPHENVILLE,LA. 1975-05-09 1975-05-09 1
USGS 294600091095000 Bayou Milhomme nr Stephensville 1998-06-16 1998-06-16 1
USGS 294605091065000 Grassy Lake @ Simon Pass 1998-06-16 1999-08-31 5
  group icon St. Mary Parish, Louisiana
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 07381465 LK PALOURDE NR AMELIA, LA 1970-01-26 1970-07-16 2
USGS 07381478 LK PALOURDE @ MORGAN CITY BEACH NR AMELIA, LA 1962-02-05 1962-05-30 2
USGS 073816501 Avoca Island Cutoff south of Morgan City, LA 1999-04-20 2019-10-23 96
USGS 073816503 Bayou Penchant S of Morgan City, LA 1999-04-29 2019-10-23 97
USGS 294117091123800 BYU.BOEUF(IWW MI.95.3)@ LOWER ATCH.RIVER 03782 1975-04-14 1976-07-09 4
USGS 294117091123802 BAYOU BOEUF (IWW @ MI 93.8-95.5) NR MORGAN CITY 1975-10-09 1975-10-30 4
USGS 294301091105700 LK PALOURDE @ MORGAN CITY, LA 1975-05-09 1986-10-29 38
USGS 294331091080400 LK PALOURDE, @ CENTER, NR AMELIA, LA 1975-05-09 1975-05-09 1
USGS 294504091072300 LK PALOURDE @ MOUTH OF SIMON PASS NR MORGAN CITY 1975-05-09 1975-05-09 1
USGS 294508091082900 LK PALOURDE @ MOUTH OF BYU MILHOMME 1975-05-09 1975-05-09 1
USGS 294641091063200 GRASSY LK @ CENTER NR AMELIA, LA 1975-05-09 1975-05-09 1
USGS 294643091055000 GRASSY LK @ MOUTH OF BYU FELIX NR MORGAN CITY 1975-05-09 1975-05-09 1
USGS 294705091060500 GRASSY LK @ MOUTH OF FOURMILE BYU NR MORGAN CITY 1975-05-09 1975-05-09 1
  group icon Terrebonne Parish, Louisiana
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 07381235 GIWW West of Bayou Lafourche at Larose, LA 1999-04-21 2019-10-24 99
USGS 07381320 BYU TERREBONNE @ HOUMA, LA 1956-03-21 1956-03-21 1
USGS 07381325 HOUMA NAVIGATION CANAL @ HOUMA, LA 1976-11-10 1981-09-02 62
USGS 07381327 HOUMA NAVIGATION CANAL @ CROZIER, LA 1965-11-03 1966-08-31 11
USGS 07381328 Houma Navigation Canal at Dulac, LA 1972-11-29 1972-11-29 1
USGS 07381330 IWW @ HOUMA, LA 1978-01-23 1981-01-20 25
USGS 07381331 GIWW at Houma, LA 1999-04-21 2019-10-21 99
USGS 07381332 INTRACOASTAL CANAL AT HWY 315, S. OF HOUMA, LA. 1959-10-27 1960-08-19 5
USGS 07381477 BYU BLACK @ WATERPROOF, LA 1962-02-01 1970-09-01 15
USGS 07381483 BAYOU BLACK AT GREENWOOD,LA 1962-02-01 1962-05-01 2
USGS 07381485 CHACAHOULA BAYOU AT CHACAHOULA, LA. 1962-08-23 1962-12-19 3
USGS 07381487 DRAINAGE CANAL INTO TIGER BAYOU AT DONNER LA 1962-02-01 1962-12-19 6
USGS 073816505 GIWW near Bay Wallace E of Morgan City, LA 1999-04-20 2019-10-23 97
USGS 290155090340400 TERREBONNE BAY IN HOUMA NAV CAN @MI -4.7 1977-03-16 1977-03-16 1
USGS 290155090342200 TERREBONNE BAY 500YDS W HOUMA NAV CAN @MI -4.7 1977-03-16 1977-03-16 1
USGS 290210090334600 HOUMA NAVIGATION CANAL AT MILE 4 COE 99121 1975-04-10 1975-04-10 2
USGS 290522090335700 HOUMA NAVIGATION CANAL AT MILE 0 COE 99123 1975-04-10 1975-04-10 2
USGS 290530090343000 TERREBONNE BAY IN HOUMA NAV CAN @MI -0.6 1977-03-16 1977-03-16 1
USGS 290530090344800 TERREBONNE BAY 500YDS W HOUMA NAV CAN @MI -0.6 1977-03-16 1977-03-16 1
USGS 290900090360000 TERREBONNE BAY 500YDS W HOUMA NAV CAN @MI 3.8 1977-03-16 1977-03-16 1
USGS 290907090354300 TERREBONNE BAY IN HOUMA NAV CAN @MI 3.8 1977-03-16 1977-03-16 1
USGS 291021090361300 HOUMA NAVIGATION CANAL AT MILE 6 COE 99127 1975-04-10 1975-04-10 2
USGS 291131090371500 TERREBONNE BAY 500YDS SW HOUMA NAV CAN @MI 7.4 1977-03-16 1977-03-16 1
USGS 291143090371400 TERREBONNE BAY IN HOUMA NAV CAN @MI 7.4 1977-03-16 1977-03-16 1
USGS 291233090381300 HOUMA NAVIGATION CANAL AT MILE 10 COE 99129 1975-04-10 1975-04-10 2
USGS 291507090551800 DWH GOM Oil Spill-Sister Lake, LA 2010-05-17 2010-10-08 7
USGS 291725090423000 HOUMA NAV CANAL @ MI 15.0 NR COCODRIE, LA 1977-06-29 1977-06-29 2
USGS 292046090254500 DWH GOM Oil Spill-Lake Felicity, LA 2010-05-18 2010-10-12 7
USGS 292247090425600 B. GRAND CAILLOU 0.8 MI S OF DULAC, LA 1978-07-25 1978-07-25 2
USGS 292247090425630 BAYOU GRAND CAILLOU 0.8 MI S OF DULAC 1978-07-25 1978-07-25 2
USGS 292345090504500 LAKE DE CADE OFF LAND TIP IN SE CORNER (CE91905) 1978-01-23 1981-01-20 25
USGS 292350090422501 Te-7 1976-10-19 1976-10-19 1
USGS 292421090420401 Te-6 1976-10-19 1976-10-19 1
USGS 292500090433200 HOUMA NAV CANAL @ MI 25.0 NR BOUDREAUX, LA 1977-06-29 1977-06-29 2
USGS 292500090433230 HOUMA NAVIGATION CANAL AT MILE 25.0 1977-06-29 1977-06-29 2
USGS 292522090415800 B. GRAND CAILLOU 0.6 MI N OF BOUDREAUX, LA 1978-07-25 1978-07-25 2
USGS 292522090415830 BAYOU GRAND CAILLOU 0.6 MI N OF BOUDREAUX 1978-07-25 1978-07-25 2
USGS 292608090354301 Te-8 1976-10-20 1976-10-20 1
USGS 292720090421400 B. GRAND CAILLOU 2.3 MI N OF BOUDREAUX, LA 1978-07-25 1978-07-25 2
USGS 292720090421430 BAYOU GRAND CAILLOU 2.3 MI N OF BOUDREAUX 1978-07-25 1978-07-25 2
USGS 292834090583500 Bayou Copesaw South of Bayou Penchant 1998-04-19 2000-06-01 18
USGS 292918091043000 CARENCRO BAYOU BELOW JCT WITH B. PENCHANT 1997-11-26 2000-06-01 21
USGS 292923090495300 UNNAMED CANAL NR THERIOT, LA 1978-05-24 1978-10-05 6
USGS 292928090414200 BYU GRAND CAILLOU 5.3 MI NNE OF BOUDREAUX, LA 1978-07-25 1978-07-25 2
USGS 293120091001700 Bayou Penchant S. of Bayou Black Settlement 1998-03-28 2000-09-18 22
USGS 293148090570400 B. COPESAW @ RUTH CANAL 1997-11-26 1998-03-28 4
USGS 293218090374201 Te-4 1954-01-19 1954-01-19 1
USGS 293248091072100 B. PENCHANT MOUTH AT B. CHENE 1997-11-21 2000-06-01 23
USGS 293305090591200 (P8)BLUEBIRD CANAL NEAR BAYOU COPESAW 1997-11-26 2000-09-18 27
USGS 293400090432000 GIWW west of Houma Navigational Canal at Houma, La 2013-08-12 2019-10-24 33
USGS 293415090423000 BYU LA CARPE @ HOUMA, LA 1975-10-02 1978-07-25 3
USGS 293418090430300 HOUMA NAVIGATION CANAL @ MI.36.6 (JCT.W GIWW) 1 1977-06-29 1977-06-29 2
USGS 293418090430330 HOUMA NAVIGATION CANAL AT MILE 36.6 1977-06-29 1977-06-29 2
USGS 293428090424700 BYU LA CARPE NR HOUMA, LA 1975-04-11 1975-04-26 3
USGS 293524091041300 Turtle Bayou nr Bayou Penchant 1997-11-26 2000-09-18 32
USGS 293540091093000 BYU PENCHANT @ BYU CHENE NR AMELIA, LA 1975-06-04 1981-01-20 77
USGS 293555090502001 Te-5 1962-02-02 1962-02-02 1
USGS 293612090404500 GIWW WEST OF HARVEY CANAL MILE 55 1975-04-26 1975-04-27 2
USGS 293729091040000 B.BLACK (IWW MI.84.6 WHL) NR AMELIA 1977-05-12 1977-05-12 1
USGS 293730091040200 BYU BLACK 3.3 MI SE OF AMELIA @ MI 21.0 1978-03-09 1978-03-09 2
USGS 293732091041100 BYU BLACK 3.2 MI SE OF AMELIA @ MI 21.0 1978-03-09 1978-03-09 1
USGS 293736091031600 BYU BLACK 0.5 MI N OF IWW NR AMELIA, LA 1978-04-19 1978-04-19 1
USGS 293738091031600 BYU BLACK 0.6 MI N OF IWW NR AMELIA, LA 1978-04-19 1978-04-19 2
USGS 293744091003200 (P3) GIWW AT BAY WALLACE 1997-11-21 2000-09-18 26
USGS 293806091031000 B.BLACK 1.0 MI.AB.IWW (@ MI.83.6 WHL) NR GIBSON 1977-05-12 1977-05-12 1
USGS 293815091030400 B. BLACK WEST OF GIWW @ MI.83.5 WHL (UPS) 1978-01-26 1978-01-26 2
USGS 293845091021200 B.BLACK 2.0 MI.AB.IWW (@ MI.83.6 WHL) NR GIBSON 1977-05-12 1977-05-12 1
USGS 293846091020800 BYU BLACK 2.2 MI ABOVE IWW NR GIBSON, LA 1977-12-02 1977-12-02 1
USGS 293849091020200 BYU BLACK 2.1 MI ABOVE IWW NR GIBSON, LA 1977-12-02 1977-12-02 2
USGS 293925091015200 B.BLACK & B.CHENE (DREDGE) UPSTREAM 1977-11-02 1977-11-02 4