# Water Quality Studies (PSC B533) Canonical: https://abierto.us/psc/b533 Federal contract opportunities under product and service code B533. 44 opportunities in the window, 9 open now. ## Open now (9) - 2026 RFO HAYSTACK WELL WATER ANALYSIS (140L1726Q0065), Bureau of Land Management, due September 16, 2026 at 10:00 AM EDT. https://abierto.us/opportunities/140l1726q0065 - FY 2027 Potable Water Sampling Services - FCC Beaumont (15B50227Q00000011), Federal Prison System / Bureau of Prisons, due September 16, 2026 at 1:00 PM EDT. https://abierto.us/opportunities/15b50227q00000011 - CNF WATER SAMPLE TESTING (1240BF26Q0055), Forest Service, due September 16, 2026 at 5:00 PM EDT. https://abierto.us/opportunities/1240bf26q0055 - VIARNG Safe Drinking Water Act Service (W9127P26QA024), Department of the Army, due September 18, 2026 at 12:00 PM EDT. https://abierto.us/opportunities/w9127p26qa024 - VIARNG Safe Drinking Water Act Service (W9127P26QA0240), Department of the Army, due September 18, 2026 at 12:00 PM EDT. https://abierto.us/opportunities/w9127p26qa0240 - Water Sampling Services (FA441726R0032), Department of the Air Force, due September 18, 2026 at 3:00 PM EDT. https://abierto.us/opportunities/fa441726r0032 - WATER TESTING AT GETTYSBURG NATIONAL MILITARY PARK (140P4226Q0053), National Park Service, due September 21, 2026 at 12:00 PM EDT. https://abierto.us/opportunities/140p4226q0053 - TRITIUM ANALYSIS (140G0226Q0137), US Geological Survey, due September 21, 2026 at 2:30 PM EDT. https://abierto.us/opportunities/140g0226q0137 - Zooplankton Analysis of Water Samples (140R4026R0028), Bureau of Reclamation, due September 25, 2026 at 12:00 PM EDT. https://abierto.us/opportunities/140r4026r0028 ## Recent (35 in all) - September 15, 2026: Legionella and Dental Water Line Sampling (36C24826Q1020), combined synopsis and solicitation. https://abierto.us/opportunities/36c24826q1020 - September 14, 2026: OR-KLAMATH FALLS FWO-ANALYSIS (140FS126P0242), award notice, awarded to Analytical Resources, LLC. https://abierto.us/opportunities/140fs126p0242 - September 14, 2026: Water Testing - Edwards AFB (HT941026Q2085), combined synopsis and solicitation. https://abierto.us/opportunities/ht941026q2085 - September 4, 2026: AZ BUENOS AIRES NWR WATER WELL STUDY BPA Call (0044036851), award notice, awarded to Ironwood Well Service LLC. https://abierto.us/opportunities/0044036851 - September 2, 2026: Organic and Inorganic Soil, Sediment & Water Laboratory Analysis - MDK LLC (WET Labs) (140R2026Q0053), award notice, awarded to Eurofins Drinking Water and Wastewater West, LLC. https://abierto.us/opportunities/140r2026q0053 - September 2, 2026: Critical Water Testing Services (HT941026QE0027), combined synopsis and solicitation. https://abierto.us/opportunities/ht941026qe0027 - September 1, 2026: Laboratory Analysis for Inorganic Parameters in Wa (140R2026A0004), award notice, awarded to Matrix Sciences International Inc.. https://abierto.us/opportunities/140r2026a0004 - September 1, 2026: Laboratory Analysis Organic and Inorganic Paramete (140R2026A0006), award notice, awarded to Vitisystems, Inc.. https://abierto.us/opportunities/140r2026a0006 - September 1, 2026: Organic and Inorganic Soil, Sediment & Water Labor (140R2026A0007), award notice, awarded to SGS North America Inc.. https://abierto.us/opportunities/140r2026a0007 - September 1, 2026: Dialysis Water Testing Services (GS07F022DA_36C26326F0109), award notice, awarded to D & D LABORATORY LLC Greenwood. https://abierto.us/opportunities/gs07f022da36c26326f0109 - September 1, 2026: Dialysis Water Testing (GS07F022DA_36C26326F0118), award notice, awarded to D & D LABORATORY LLC Greenwood. https://abierto.us/opportunities/gs07f022da36c26326f0118 - August 28, 2026: Sampling and Analyzing of Benthic Macroinvertebrat (140P8426P0066), award notice, awarded to Rhithron Associates Inc.. https://abierto.us/opportunities/140p8426p0066 - August 28, 2026: Phytoplankton Analysis of Water Samples - BOR (140R4026R0029), sources sought. https://abierto.us/opportunities/140r4026r0029 - August 25, 2026: Fort Bragg NC Closed Loops Water Testing & Treatment (W9124726QA029), combined synopsis and solicitation. https://abierto.us/opportunities/w9124726qa029 - August 20, 2026: R10 SEMD: Selenium Speciation Sample Analysis (68HE0726Q0033), solicitation, awarded to Brooks Applied Labs LLC. https://abierto.us/opportunities/68he0726q0033 - August 17, 2026: WELL DRINKING WATER SAMPLE ANALYSIS (140R1026Q0008), solicitation. https://abierto.us/opportunities/140r1026q0008 - August 10, 2026: B533 Process Water Samples for Renal Dialysis, VA Puget Sound Health Care System (36C26026Q_0002), special notice, awarded to Lcg, Inc.. https://abierto.us/opportunities/36c26026q0002 - August 6, 2026: Notice of Intent to Sole Source - ISWS IWIP Groundwater Data Delivery (W912P626Z1CBI), special notice. https://abierto.us/opportunities/w912p626z1cbi - August 5, 2026: B533 Process Water Samples for Renal Dialysis, VA Puget Sound Health Care System (36C26026Q0793), combined synopsis and solicitation. https://abierto.us/opportunities/36c26026q0793 - August 5, 2026: B533 Process Water Samples for Renal Dialysis, VA Puget Sound Health Care System (36C26026Q0796_0001), special notice. https://abierto.us/opportunities/36c26026q07960001 - August 5, 2026: Pre-Paid Laboratory Analysis for Hydraulic Fluid Sample Kits (70Z03826PD00000042), award notice, awarded to JET-CARE INTERNATIONAL Inc. Cedar Knolls. https://abierto.us/opportunities/70z03826pd00000042 - August 5, 2026: Chief Joseph Dam (CJD) National Pollutant Discharge Elimination System (NPDES) Laboratory Services - Base plus 4 Option Years (PANNWD26P00000029105), sources sought. https://abierto.us/opportunities/pannwd26p00000029105 - August 4, 2026: USCG Base San Juan Stormwater Discharge Monitoring (31170PRSDM), sources sought. https://abierto.us/opportunities/31170prsdm - July 31, 2026: Microbiological Analysis of Potable Water Samples, Modoc NF (127EAY26Q0113), combined synopsis and solicitation, awarded to Spring Street Analytical LLC. https://abierto.us/opportunities/127eay26q0113 - July 28, 2026: Pre-Paid Laboratory Analysis for Hydraulic Fluid Sample Kits (70Z03826QE0000046), combined synopsis and solicitation, awarded to JET-CARE International Inc.. https://abierto.us/opportunities/70z03826qe0000046 - July 27, 2026: BIOLOGICAL ANALYSIS-WATER SAMPLES - IDIQ (140R3022Q0027), award notice, awarded to Bsa Environmental Services Inc.. https://abierto.us/opportunities/140r3022q0027 - July 24, 2026: Class B Water Testing Solicitation (15B41126Q00000003), solicitation. https://abierto.us/opportunities/15b41126q00000003 - July 24, 2026: Legionella and Dental Water Line Sampling (36C24826Q1019), presolicitation. https://abierto.us/opportunities/36c24826q1019 - July 22, 2026: GROUNDWATER MODELING (140G0226Q0059), special notice. https://abierto.us/opportunities/140g0226q0059 - July 20, 2026: Potable Water Testing (36C25926Q0620), combined synopsis and solicitation, awarded to Semper Environmental LLC. https://abierto.us/opportunities/36c25926q0620 - July 14, 2026: Fort Bragg NC Closed Loops Follow-on FY26 (01-FBNCClosedLoopsFollow-onFY26), sources sought. https://abierto.us/opportunities/01fbncclosedloopsfollowonfy26 - July 14, 2026: PACN Water Sample Testing (140P8226Q0036), combined synopsis and solicitation. https://abierto.us/opportunities/140p8226q0036 - July 10, 2026: Notice of Intent to Award a Sole Source Contract - Drinking Water Sampling Services within US Army Garrison Fort Buchanan (PANMCC26P0000041760), special notice. https://abierto.us/opportunities/panmcc26p0000041760 - July 6, 2026: Water and wastewater sample analysis for Fort Detrick, MD Drinking Water and Wastewater Treatment plants. (W91QV126QA051), solicitation. https://abierto.us/opportunities/w91qv126qa051 - June 25, 2026: CES Cross-Connection Survey (FA462026P0033), award notice, awarded to Love's Backflow Testing and Repair Services, Inc. Blytheville. https://abierto.us/opportunities/fa462026p0033 --- Sources: SAM.gov Contract Opportunities extract and USAspending.gov award data. Cite https://abierto.us/psc/b533.