| NWSLI | Location Description |
| BIOG4 | BIOTOPO ALTA VISTA |
| CEIG4 | LA CEIBITA |
| CEPG4 | RIO COYOLATE EN PUENTE COYOLATE |
| CHIG4 | CHILASCO |
| HUEG4 | HUEHUETENANGO RAWS |
| LUCG4 | SANTA LUCIA MILPAS ALTAS RAINGAGE |
| MATG4 | RIO MATANZAS AT MATUCUY |
| OLLG4 | RIO OSTUA EN LAS LECHUZA |
| VILG4 | RIO VILLALOBOS AT VILLA CANALES |