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. 2025 Jun 13;10(25):26250–26265. doi: 10.1021/acsomega.5c01916

2. Occurrence of Main Nonsteroidal Anti-Inflammatory Drugs (NSAIDs) on Water Matrices from Different Sampling Sites on the Brazilian Territory.

Sampling site Chemical Concentration range (ng L–1) Frequency of detection and number of samples Ref.
Southeastern region surface water from Piraí and Jundiaí rivers (Jundiaí River Basin-SP) diclofenac 9.11–328.5 79% (n = 42)
ibuprofen 3.33–208.2 69% (n = 42)
naproxen 5.14–98.6 93% (n = 28)
surface water from Piraí and Jundiaí rivers (Jundiaí River Basin-SP) diclofenac 4.88–364 100% (n = 24)
ibuprofen 6.75–373 100% (n = 24)
naproxen 5.67–145 100% (n = 24)
surface water from urban drainage channel in São Vicent Island (SP) diclofenac 1.1–2.5 100% (n = 5)
surface water from urban drainage channel in Santos beaches (Santos-SP) diclofenac 1.9–3.5 100% (n = 7)
surface water from urban drainage channel in Guarujá beach (SP) diclofenac 0.9–79.8 100% (n = 8)
surface- and bottom water around the coastal submarine sewage outfall in Guarujá (Santos-SP) diclofenac 3.6–85.7 75% (n = 8)
surface water from coastal rivers in São Paulo coast (SP) diclofenac 0.76–3.93 100% (n = 5)
surface- and bottom water from Santos Bay (Santos-SP) diclofenac 19.4 100% (n = 10)
ibuprofen 326.1–2094.4 100% (n = 10)
surface water from Lobo reservoir (Itirapina-SP) diclofenac 50 71.4% (n = 30)
ibuprofen 130 42.8% (n = 30)
naproxen 100 85.7% (n = 30)
surface water from Monjolinho River (São Carlos-SP) diclofenac 22.4–385.6 60% (n = 126)
ibuprofen 45.7–743.9 60% (n = 126)
naproxen 2.9–655.2 60% (n = 126)
surface water from Itaipu-Piratininga coastal lagoons (Niterói-RJ) ibuprofen 27.6–37.6 50% (n = 4)
naproxen 16.3–22.5 50% (n = 4)
surface water from rivers (Rio de Janeiro-RJ) diclofenac 220 20% (n = 5)
surface water from João Mendes River basin (Niterói-RJ) ibuprofen 1300–10,700 100% (n = 16)
surface water from Paraopeba River Basin (MG) diclofenac 136.6–2625.7 100% (n = 12)
surface water from Paraopeba River Basin (MG) diclofenac 6.3–561.0 30% (n = 60)
ibuprofen 5.6–1683.9 62% (n = 60)
naproxen 4.7–938.4 87% (n = 60)
water from drinking water treatment plants (MG) ibuprofen 302–333 47% (n = 152)
ketoprofen 22–1020 92% (n = 152)
surface water from water supply systems (Belo Horizonte-MG) diclofenac 1115.2 6% (n = 252)
ibuprofen 1629.2 65% (n = 252)
naproxen 26,566.2 23% (n = 252)
Southern region surface water from Alto Iguaçu watershed (Curitiba-PR) diclofenac 34–285 90% (n = 120)
ibuprofen 102–370 50% (n = 120)
surface water from Iguaçu River (Curitiba-PR) ketoprofen 620 18% (n = 64)
naproxen 340 34% (n = 64)
surface water from Tibagi River (PR) diclofenac 8.0–375.0 46% (n = 13)
naproxen 62.6–1566.4 54% (n = 13)
surface water from Lake Guaíba (Porto Alegre-RS) diclofenac 29–107 83% (n = 35)
ibuprofen 274–387 14% (n = 35)
ketoprofen <21.0 43% (n = 35)
naproxen <21.0 17% (n = 35)
surface water from urban rivers (Porto Alegre-RS) diclofenac <1.0 52% (n = 54)
naproxen <1.0 22% (n = 54)
surface water from Cancela-Tamandaí and João Goulart watershed (Santa Maria-RS) ibuprofen 200–2710 85% (n = 20)
estuarine water from Santa Catarina coastal area (SC) diclofenac 1.40–7.92 100% (n = 8)
Midwestern region surface water from Stream of Onça (Três Lagoas-MS) diclofenac 120–8250 89% (n = 72)
naproxen 80–21,285 58% (n = 72)
surface water from streams in Dourados (MS) diclofenac 7–849 90% (n = 84)
naproxen 9–681 97% (n = 84)
drinking water (Brasília-DF) diclofenac 4.2–6.03 14% (n = 14)
  ibuprofen 4.0–4.8 29% (n = 14)
Northeast region surface water from Beberibe River Basin (Recife-PE) diclofenac 19–193,000 100% (n = 12)
surface water from São Francisco River (PE) diclofenac 607,920–759,060 76% (n = 36)
ibuprofen 88,020–785,280 67% (n = 36)
surface water from Anil and Bacanga rivers (São Luis-MA) diclofenac 105–463 36% (n = 28)
ibuprofen 113–320 54% (n = 28)
Northern region surface water from Igarapé do 40, Igarapé Mindu and Rio Negro (Manaus-AM) diclofenac 63–785 44% (n = 16)
water from Bolonha Water Treatment Plant (Belém-PA) ibuprofen 9.1 8% (n = 12)
naproxen 351.8 8% (n = 12)
a

Single concentration.

b

Maximum concentration.