Weather Warning
IDN36609
Australian Government Bureau of Meteorology
New South Wales
Minor Flood Warning for the Hawkesbury, Nepean and Colo Rivers
Issued at 10:19 PM EST on Friday 23 May 2025.
Flood Warning Number: 7
MINOR FLOODING OCCURRING AT MENANGLE, NORTH RICHMOND AND PUTTY ROAD
MINOR FLOODING POSSIBLE AT CAMDEN AND WALLACIA EARLY SATURDAY MORNING
Rainfall this week has caused river level rises across the Hawkesbury Nepean Valley.
Along the Upper Nepean River at Menangle, river levels peaked early Friday evening, with minor flooding. At Camden Weir and Wallacia Weir minor flooding is possible from early Saturday morning.
Along the Hawkesbury River at North Richmond, river levels peaked Friday morning, with minor flooding. As upstream flows arrive from the Upper Nepean, elevated river levels and renewed minor flooding is possible over the weekend. At Windsor, river levels peaked below the minor flood level Friday morning.
Along the Colo River around Upper Colo and Putty Road, a minor peak was observed Friday morning.
Upper Nepean River
Minor flooding is occurring along the Upper Nepean River at Menangle. Minor flooding may occur at Camden Weir and Wallacia Weir.
Hawkesbury and Lower Nepean River
Minor flooding is occurring along the Hawkesbury River at North Richmond.
Colo River
Minor flooding is occurring along the Colo River around Upper Colo and at Putty Road.
Latest River Heights
| Location | Height of River (m) | Tendency | Date/Time of Observation |
|---|---|---|---|
| Wollondilly River at Jooriland | 2.21 | Rising | 09:45 PM FRI 23/05/25 |
| Nattai River at Smallwoods Crossing | 0.84 | Falling | 09:45 PM FRI 23/05/25 |
| Kowmung River at Cedar Ford | 1.82 | Falling | 09:45 PM FRI 23/05/25 |
| Warragamba Dam Water Level | -0.36 | Steady | 10:00 PM FRI 23/05/25 |
| Nepean River at Menangle Bridge | 8.57 | Steady | 10:14 PM FRI 23/05/25 |
| Nepean River at Camden Weir | 5.72 | Falling | 10:16 PM FRI 23/05/25 |
| Nepean River at Wallacia Weir | 3.88 | Rising | 10:00 PM FRI 23/05/25 |
| Nepean River at Penrith | 2.47 | Steady | 10:00 PM FRI 23/05/25 |
| Nepean River at Yarramundi | 4.13 | Steady | 10:00 PM FRI 23/05/25 |
| Grose River at Burralow | 2.61 | Falling | 09:45 PM FRI 23/05/25 |
| Hawkesbury River at North Richmond WPS | 4.12 | Falling | 10:00 PM FRI 23/05/25 |
| Hawkesbury River at Windsor PWD | 4.20 | Falling | 10:00 PM FRI 23/05/25 |
| Colo River at Upper Colo SWC | 5.64 | Falling | 09:45 PM FRI 23/05/25 |
| Hawkesbury River at Sackville | 2.66 | Falling | 10:00 PM FRI 23/05/25 |
| Hawkesbury River at Lower Portland | 2.06 | Falling | 10:00 PM FRI 23/05/25 |
| Macdonald River at St Albans | 2.18 | Steady | 10:14 PM FRI 23/05/25 |
| Hawkesbury River at Wisemans Ferry | 1.06 | Falling | 10:00 PM FRI 23/05/25 |