Gila River near Maricopa

Highest listed crest 6.80 ftFlood stage 6.0 ft9 crests since 1993

The Gila River near Maricopa crested above flood stage 1 time among the 9 crests the National Weather Service lists from 1993 to 2009. The highest, 6.80 ft on January 22, 1993, was minor flooding, 0.80 feet above flood stage. 3 other gauges on the Gila River crested above flood stage within a week of it, 1 at its own highest listed crest.

The gauge

Highest listed crest: 6.80 ft; January 22, 1993; 49,350 cubic feet per second
Flood stage: 6.0 ft; Major flooding from 8.0 ft
Crests at major: 0; 1 above flood stage
Most recent flood crest: January 22, 1993; 6.80 ft, minor flooding
Location: Pinal County; Near Maricopa (8.8 mi), Chandler (12.0 mi)
Identifiers: NWS GRMA3; USGS 09479350

Flood stages

The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.

Flood categories, Gila River near Maricopa

Action stage	5.0	0	—	The level at which the NWS or its partners begin to take action
Flood stage (minor)	6.0	1	Jan 22, 1993	Minimal or no property damage, but possibly some public threat
Moderate flood stage	7.0	0	—	Some inundation of structures and roads near the stream
Major flood stage	8.0	0	—	Extensive inundation of structures and roads

Every listed crest

9 crests from 1993 to 2009. Filled: at or above flood stage. Hover a crest for its date and stage.

Crests at or above flood stage, by decade

These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.

Highest crests

Highest listed crests, Gila River near Maricopa

1	Jan 22, 1993	6.80	+0.80	Minor	49,350
2	Jul 31, 2006	4.03	−1.97	Below flood stage	1,080
3	Sep 2, 1996	2.16	−3.84	Below flood stage	132
4	Aug 16, 2004	2.11	−3.89	Below flood stage	66
5	Oct 27, 2000	2.06	−3.94	Below flood stage	79
6	Aug 17, 1997	1.93	−4.07	Below flood stage	43
7	Aug 20, 1995	1.92	−4.08	Below flood stage	11
8	Mar 11, 2005	1.87	−4.13	Below flood stage	24
9	Mar 1, 2009	0.99	−5.01	Below flood stage	—

The worst floods along the Gila River

For this gauge's highest crests, the other gauges on the Gila River that crested above flood stage within a week.

January 22, 1993: 6.80 ft here, minor flooding

Coolidge DamAZ · Jan 25, 1993 · 2,521.36 ft · Moderate · its highest
KelvinAZ · Jan 19, 1993 · 31.55 ft · Moderate
RedrockNM · Jan 19, 1993 · 20.20 ft · Minor

Gauges on the Gila River

Flood gauges sharing the river's name, linked within 80 miles of one another.

Flood gauges on the Gila River

Gila	NM	11.0	12.90 ft, Sep 15, 2013	0
Coolidge Dam	AZ	2,515.0	2,521.36 ft, Jan 25, 1993	0
Duncan	AZ	20.0	21.36 ft, Feb 15, 2005	0
Kelvin	AZ	27.0	33.00 ft, Oct 2, 1983	0
Painted Rock Lake	AZ	661.0	667.05 ft, Feb 27, 1993	0
Calva	AZ	20.0	23.00 ft, Oct 3, 1983	0
Maricopa this gauge	AZ	6.0	6.80 ft, Jan 22, 1993	0
Redrock	NM	20.0	31.00 ft, Sep 29, 1941	2
Virden	NM	15.0	29.00 ft, Dec 19, 1978	1

Other gauges in Pinal County

Flood gauges in Pinal County

Mammoth	11.5	19.33 ft, Aug 1, 2006	2
Kelvin	27.0	33.00 ft, Oct 2, 1983	0

Pinal County: every hazard · River floods across the country · Arizona

NOAA National Water Prediction Service, gauge GRMA3, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.