This has led to serious flooding in the lower Guadalupe River Basin, including a major flood in New Braunfels in 1972 which was caused by heavy rains just downstream from Canyon Dam.
ðɪs hɐz lˈɛd tə sˈɪɹiəs flˈʌdɪŋ ɪnðə lˈoʊɚ ɡwˈɑːdɐlˌuːp ɹˈɪvɚ bˈeɪsən, ɪŋklˈuːdɪŋ ɐ mˈeɪdʒɚ flˈʌd ɪn nˈuː bɹˈɔːnfəlz ɪn nˈaɪntiːnhˈʌndɹɪd sˈɛvənti tˈuː wˌɪtʃ wʌz kˈɔːzd baɪ hˈɛvi ɹˈeɪnz dʒˈʌst dˈaʊnstɹiːm fɹʌm kˈænɪən dˈæm.