| Name | Country | Feature class | Latitude | Longitude |
|---|
1951  | Río Seco
-15.35-67.7166667 | Bolivia, La Paz Department | stream | S 15° 21′ 0'' | W 67° 43′ 0'' |
| 1952 | Quebrada Seca
-21.35-63.7 | Bolivia, Tarija Department | stream | S 21° 21′ 0'' | W 63° 42′ 0'' |
| 1953 | Quebrada Seca
-20.5166667-65.65 | Bolivia, Potosí Department | stream | S 20° 31′ 0'' | W 65° 39′ 0'' |
| 1954 | Laguna Seca
-16.7-60.7333333 | Bolivia, Santa Cruz Department | intermittent pond | S 16° 42′ 0'' | W 60° 44′ 0'' |
| 1955 | Laguna Seca
-20.920518-68.0529 | Bolivia, Potosí Department | intermittent lake | S 20° 55′ 13'' | W 68° 3′ 10'' |
| 1956 | Laguna Seca
-20.6833333-66.3166667 | Bolivia, Potosí Department | intermittent lake | S 20° 41′ 0'' | W 66° 19′ 0'' |
| 1957 | Cañada Seca
-17.65-62.2833333 | Bolivia, Santa Cruz Department | intermittent stream | S 17° 39′ 0'' | W 62° 17′ 0'' |
| 1958 | Río Sayatala
-19.759464-65.347283 | Bolivia, Potosí Department | stream | S 19° 45′ 34'' | W 65° 20′ 50'' |
| 1959 | Río Sayaqutra
-17.1166667-67.1166667 | Bolivia, La Paz Department | stream | S 17° 7′ 0'' | W 67° 7′ 0'' |
| 1960 | Río Sayan Chaca
-19.127525-64.696365 | Bolivia, Chuquisaca Department | stream | S 19° 7′ 39'' | W 64° 41′ 46'' |
| 1961 | Río Sayamarca
-19.664883-65.220146 | Bolivia, Potosí Department | stream | S 19° 39′ 53'' | W 65° 13′ 12'' |
| 1962 | Río Sayaka
-19.110398-65.950211 | Bolivia, Potosí Department | stream | S 19° 6′ 37'' | W 65° 57′ 0'' |
| 1963 | Quebrada Sautuzal
-17.6166667-61.8 | Bolivia, Santa Cruz Department | intermittent stream | S 17° 37′ 0'' | W 61° 48′ 0'' |
| 1964 | Bañado del Sautuzal
-17.8-61.8833333 | Bolivia, Santa Cruz Department | swamp | S 17° 48′ 0'' | W 61° 53′ 0'' |
| 1965 | Cañada del Sautu
-17.35-62.4333333 | Bolivia, Santa Cruz Department | intermittent stream | S 17° 21′ 0'' | W 62° 26′ 0'' |
| 1966 | Cañada Sautú
-17.1-62.55 | Bolivia, Santa Cruz Department | intermittent stream | S 17° 6′ 0'' | W 62° 33′ 0'' |
| 1967 | Río Sauriri
-15.2166667-67.7333333 | Bolivia, La Paz Department | stream | S 15° 13′ 0'' | W 67° 44′ 0'' |
| 1968 | Río Saucuyoj
-19.807195-64.666439 | Bolivia, Chuquisaca Department | stream | S 19° 48′ 25'' | W 64° 39′ 59'' |
| 1969 | Río Saucuyo
-18.8833333-64.8333333 | Bolivia, Chuquisaca Department | stream | S 18° 53′ 0'' | W 64° 50′ 0'' |
| 1970 | Quebrada Sauces
-18.257758-64.723431 | Bolivia, Cochabamba | intermittent stream | S 18° 15′ 27'' | W 64° 43′ 24'' |
| 1971 | Río Sauce Mayu
-19.076936-64.604947 | Bolivia, Chuquisaca Department | stream | S 19° 4′ 37'' | W 64° 36′ 17'' |
| 1972 | Río Sauce Mayu
-18.877022-65.345095 | Bolivia, Chuquisaca Department | stream | S 18° 52′ 37'' | W 65° 20′ 42'' |
| 1973 | Quebrada Saturique
-16.35-61.1166667 | Bolivia, Santa Cruz Department | intermittent stream | S 16° 21′ 0'' | W 61° 7′ 0'' |
| 1974 | Arroyo Sarzas
-13.9666667-62.8 | Bolivia, Beni Department | stream | S 13° 58′ 0'' | W 62° 48′ 0'' |
| 1975 | Río Sarijchi
-18.569585-65.976384 | Bolivia, Potosí Department | stream | S 18° 34′ 10'' | W 65° 58′ 35'' |
| 1976 | Quebrada Sararenda
-20.7-63.7166667 | Bolivia, Chuquisaca Department | stream | S 20° 42′ 0'' | W 63° 43′ 0'' |
| 1977 | Río Sarara Mayu
-20.412033-64.668172 | Bolivia, Chuquisaca Department | stream | S 20° 24′ 43'' | W 64° 40′ 5'' |
| 1978 | Río Sarampiuni
-15.4166667-68.1333333 | Bolivia, La Paz Department | stream | S 15° 25′ 0'' | W 68° 8′ 0'' |
| 1979 | Río Sapsi
-18.724157-65.274 | Bolivia, Chuquisaca Department | stream | S 18° 43′ 27'' | W 65° 16′ 26'' |
| 1980 | Río Sapakhari
-18.689042-65.630506 | Bolivia, Potosí Department | stream | S 18° 41′ 20'' | W 65° 37′ 49'' |
| 1981 | Río Sapacari
-18.540869-65.921977 | Bolivia, Potosí Department | stream | S 18° 32′ 27'' | W 65° 55′ 19'' |
| 1982 | Quebrada San Vincente
-16.5833333-60.9666667 | Bolivia, Santa Cruz Department | intermittent stream | S 16° 35′ 0'' | W 60° 58′ 0'' |
| 1983 | Río Santo Domingo
-16.7666667-65.8833333 | Bolivia, Cochabamba | stream | S 16° 46′ 0'' | W 65° 53′ 0'' |
| 1984 | Río Santiago
-17.95-66.1166667 | Bolivia, Potosí Department | stream | S 17° 57′ 0'' | W 66° 7′ 0'' |
| 1985 | Quebrada Santa Teresita
-16.9666667-60.8333333 | Bolivia, Santa Cruz Department | intermittent stream | S 16° 58′ 0'' | W 60° 50′ 0'' |
| 1986 | Quebrada Santa Teresa
-16.4-61.1166667 | Bolivia, Santa Cruz Department | intermittent stream | S 16° 24′ 0'' | W 61° 7′ 0'' |
| 1987 | Río Santa Rosalía
-19.360497-65.169465 | Bolivia, Chuquisaca Department | stream | S 19° 21′ 37'' | W 65° 10′ 10'' |
| 1988 | Río Santa Rosa
-17.3-65.55 | Bolivia, Cochabamba | intermittent stream | S 17° 18′ 0'' | W 65° 33′ 0'' |
| 1989 | Río Santa Rosa
-18.533915-64.290752 | Bolivia, Santa Cruz Department | stream | S 18° 32′ 2'' | W 64° 17′ 26'' |
| 1990 | Río Santa Rosa
-17.2666667-65.4666667 | Bolivia, Cochabamba | stream | S 17° 16′ 0'' | W 65° 28′ 0'' |
| 1991 | Río Santa Rosa
-17.1-68.6 | Bolivia, La Paz Department | stream | S 17° 6′ 0'' | W 68° 36′ 0'' |
| 1992 | Río Santa Rosa
-16.8666667-66.8166667 | Bolivia, Cochabamba | stream | S 16° 52′ 0'' | W 66° 49′ 0'' |
| 1993 | Quebrada Santa Rosa
-21.6833333-66.0333333 | Bolivia, Potosí Department | stream | S 21° 41′ 0'' | W 66° 2′ 0'' |
| 1994 | Arroyo Santa Rosa
-11.6666667-65.2666667 | Bolivia, Beni Department | stream | S 11° 40′ 0'' | W 65° 16′ 0'' |
| 1995 | Río de Santa María
-17.4333333-61.3 | Bolivia, Santa Cruz Department | stream | S 17° 26′ 0'' | W 61° 18′ 0'' |
| 1996 | Río Santa María
-19.568388-64.997815 | Bolivia, Potosí Department | stream | S 19° 34′ 6'' | W 64° 59′ 52'' |
| 1997 | Río Santa María
-14.7666667-68.1833333 | Bolivia, La Paz Department | stream | S 14° 46′ 0'' | W 68° 11′ 0'' |
| 1998 | Arroyo Santa María
-13.45-63.7166667 | Bolivia, Beni Department | stream | S 13° 27′ 0'' | W 63° 43′ 0'' |
| 1999 | Arroyo Santa María
-10.25-66.7166667 | Bolivia, Pando | stream | S 10° 15′ 0'' | W 66° 43′ 0'' |
| 2000 | Río Santa Isabel
-21.7666667-66.2333333 | Bolivia, Potosí Department | stream | S 21° 46′ 0'' | W 66° 14′ 0'' |
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