Table 19.1.

Major-ion composition of mineral water discharges in São Miguel Island

ReferenceNameTypeTemperature (°C)pHTDS (mg l−1)Conductivity (μS cm−1)CO2 L (mg l−1)SiO2 (mg l−1)Na (mg l−1)K (mg l−1)Ca (mg l−1)Mg (mg l−1)SO4 (mg l−1)Cl (mg l−1)HCO3 (mg l−1)F (mg l−1)BE (%)Source
AM1Miguel HenriquesSpr21.15.27814410545.2105.756259.62.564622.7120.8n.d.4a
AM2Água de PrataSpr34.45.33619365364.2114.94520113.064119.9159.2n.d.−9a
AM3CaldeirãoSpr75.16.16416.0151581165.485148.93.187.536.9256.8n.d.−6a
AM4Água AzedaSpr15.95.09840.14301617.4109.133208.23.721820.992.1n.d.6a
AM5Água Azeda de RebentãoSpr15.64.95697.26306469103.63418113.293319.574.4n.d.8a
AM6Água do RegoSpr16.24.99767.88210534103.83720113.273224.572n.d.7a
AM7Terra Nostra ISpr41.35.57738.69522420.4116.47214115.511359.3226.9n.d.−9a
AM8Terra Nostra IISpr40.45.58728.47519427.2100.874139.54.81165.3228.1n.d.−11a
AM9Caldeira GrandeFum99.57.711274201036352.2490201.40.0463297.1771n.d.−1a
AM10Caldeira AsmodeuFum98.87.061655235091.6374.5549221.20.07297303.9679.5n.d.−3a
AM11Quenturas ISpr59.56.21953.011356209.2250.4253422813.81676.3779.6n.d.−2a
AM12Quenturas IIISpr59.36.24939.751271191252.5249433013.31876.3767.4n.d.−2a
AM13Caldeira da Lagoa FurnasFum98.55.7670971562.8250.412019102.5122323.812.8n.d.7a
AM14Glória PatriSpr17.56.77159.111908.262.324214.54.426.218.580.5n.d.4a
AM15TornoSpr41.36.021117.261459406.1170.8293292813.61491.9786.9n.d.2a
AM16Grutinha IISpr42.76.001250.131490514184.9299323013.51988.8889.4n.d.−2a
AM17Grutinha ISpr42.56.001305.461552549.2184.7304353414.61690.1865n.d.0a
AM18Água da PoçaSpr476.141250.751528476191.5288374016.49.796.6932.1n.d.−4a
AM19MorangueiraSpr41.26.251258.831680432.2199.7312424317.912100.81091n.d.−7a
AM20Banhos dos CabaçosSpr395.85414.03587n.d.17583.720.920.35.110.557.2247.70.90e
AM21Banhos Férreos I – BalneárioSpr34.96.141551.281759692.2175.27298475737766.741161.44n.d.−2a
AM22Banhos Férreos I – EmergênciaSpr396.00826.231530n.d.1592964654358.86210802.60b
AM23Banhos Férreos IISpr32.96.021387.531525560.8168.422844458331467.11078.48n.d.−2a
AM24Banhos Férreos IIISpr37.96.183821341335n.d.n.d.n.d.n.d.n.d.n.d.47.92640n.d.−100a
AM25Água FérreaSpr52.36.061176.81441372.2250.38295493315.49.973.84780.8n.d.6a
AM26Nascente da PonteSpr95.86.88641.284672.2254.661754012.82.145626.98485.56n.d.−1.4a
AM27Água da HelenaSpr15.44.6998119283164.6322.98.655.54.672.316.3329.89n.d.29a
AM28Valério ISpr26.55.85410.4653882121.98812214.18.981038.34247.66n.d.1a
AM29Valério IISpr25.95.8621.4716206124.76123302013.89.140.83378.2n.d.4a
AM30Valério IIISprn.d.n.d.n.d.n.d.n.d.n.d.n.d.n.d.n.d.n.d.n.d.n.d.n.d.n.d.n.d.a
AM31Dr. BrunoSpr20.45.78669.15520359.297.87419229.048.931.2253.8n.d.3a
AM32SanguinhalSpr37.55.61842.01572491.815995308.53.97.133.4294n.d.−3a
AM33Serra do TrigoSpr17.54.9681.5618748795.2238.2115.692.423.179.3n.d.4a
AM34Padre JoséSpr55.45.91747789192.1254.714434155.416335.5377n.d.0a
AM35Caldeira EsguichoFum987.291146178589.2323.2399342.21.3764219706.4n.d.−2a
AM36Água SantaSpr95.57.4473399435283.6266196.10.982196.6416n.d.11a
AM37Dr. DinizSpr16.15.281353.023081126.2111.537187.83.412719.978.1n.d.8a
AM38Tio José de SousaSpr16.04.891196356948.2111.752216.32.143323.472n.d.13a
AM39Caldeira dos VimesFum70.05.37539301307.8105.545176.63.063122.789.1n.d.6a
AM40Caldeira dos TamboresFum94.32.814702150148.4n.d.32589275733110n.d.n.d.1f
AM41Ribeira Quente ISpr23.45.481523.76906913.6135.038012.57717.99280.94336.72n.d.0a
AM42Ribeira Quente IISpr32.87.58801.0113399.8164.35211245515.571177.15483.12n.d.−2a
AM43Ribeira Quente IIISpr45.96.468951239140.4170.56206275715.463133.83599.02n.d.−4a
AM44Azeda da Ribeira do FogoSpr18.65.711455.521167877.6107.43217353516.41570.65684.42n.d.0a
AM45Água de AlcântaraSpr17.95.3979.26377725.492.45341316.714.52.126.63170.19n.d.3a
AM46Água Azeda da PovoaçãoSpr15.04.87949.9113978742444.68.8106.216.6867.1n.d.32a
AM47Porto Formoso ISpr17.45.2747.17326522.487.1458.55.66.181347.265.9n.d.4a
AM48Porto Formoso IISpr18.14.661010.18184867.265.9123.66.44.12.53630.1823.18n.d.6a
AM49Porto Formoso IIISpr15.24.99519.815840051.5720.55.4842.375.725.9227.45n.d.4a
AM50Porto Formoso IVSpr18.64.61831.3179693.268.2723.96.83.62.565.625.221.96n.d.12a
AM51Ladeira VelhaSpr305.03473.22295200.2145.745119.54.755.632111n.d.4a
AM52Ladeira Velha FérreaSpr34.75.121077.06459774.6125.836312.711.15.5653.3176.9n.d.−5a
AM53Ribeira das GramasSpr19.44.81069.93194933.258.8524.66.923.72.814.633.0223.18n.d.4a
AM54Nascente do Pico AltoSpr70.35.98386.0436090167.9937238.92.6619.535.1488.45n.d.−1a
AM55LombadasSpr16.55.091367.373301126.211949195.94.042418.5275.7n.d.−26a
AM56Lombadas Furo IWell22.55.271292.12537966.6134.4823710.87.11518.8279.4n.d.5a
AM57Lombadas Furo IIWell20.35.48795.9575483.2113.21894012.36.453.417.8347.7n.d.−1a
AM58Fumarola R.G.Fum77.92.2339673030828.4308.250274709.892000230.7n.d.n.d.−27a
AM59Caldeira Grande R.G.Fum403.53354290126.278.1676.72.51.95420.6n.d.n.d.32a
AM60Caldeira Pequena R.G.Fum49.42.2872665438.2176.3426.815.412.23.1817421.66n.d.n.d.−25a
AM61PocinhaSpr28.84.661041264748.8110.678154.63.55623.829.3n.d.31a
AM62Caldeira Velha Nasc.Spr36.24.28544182399.157.6214.93.93.023120.928.1n.d.−1a
AM63Caldeira Velha Fum.Fum93.72.2323991684549.2350.96372617.36.3133024.85n.d.n.d.−73a
AM64FC1_Vieira e VieiraWell31.16.361395.382090208.8135.2534948203871446.9361.12n.d.1a
AM65FC2_BEL PortugalWell405.9379610 800n.d.136n.d.n.d.n.d.n.d.n.d.3660371n.d.n.d.b
AM66FC3_Agro VieirasWell176.15400.16403121.2135.0348208.26.269.832.3187.84n.d.16a
AM67FC4_INSULACWell27.55.6728.77590315.6153.87593620175.755.38229.36n.d.4a
AM68FC6_Monte dos FradesWell265.27949.12394610.8159.64442612.27.9213.351.5117.73n.d.2a
AM69Nascente da MagarçaSpr18.54.65106132683778.114111.16.54.156.760.418.3n.d.12a
AM70Azeda dos CastelinhosSprn.d.n.d.196n.d.n.d.81.643.31.935.23.962.1n.d.67.1n.d.1c
AM71Ferraria IISpr67.75.9785444220382192.6100056850095618144009.4553.9n.d.1a
AM72Ferraria IHand-dug Well62.5n.d.20 956.5n.d.n.d.107.66676.7n.d.508.33478.041305.611 296.94585.2n.d.0d
AM73Ferraria III (AC2)Well586.119 298.9227 000n.d.1435700339310572112010 5006080.7−2b
AM74Ferraria IV (AC3)Well576.219 671.9228 000n.d.1435900357317582111810 6306170.7−1b
AM75MosteirosSpr435.7814 076.320 200338.2128.438702052404407977455596.58n.d.−3a
AM76São LázaroSpr32.86.367954.320 140314.4128.420701071402213524011.5608.78n.d.−5a
  • BE, balance error; Spr, spring, Fum, fumarole. Data source: (a) Cruz et al. (2010a); (b) Costa (2006); (c) Bensaúde (1939); (d) Acciaiuoli (1940); (e) Carvalho (1955); (f) Terroso (2005).