USGS Surface Water for USA: Streamflow Measurements

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Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.

Streamflow Measurements for the Nation

USGS 16522950 Piinaau Str 470 ft US Koolau Ditch, Maui, HI

Maui County, Hawaii

Hydrologic Unit Code 20020000

Latitude 20°49'37.91", Longitude 156°10'30.37" NAD83

Drainage area 14.8 square miles

Gage datum 1,350 feet above LMSL

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Meas. Number	Date Time	Time Datum	Measurement Used?	Who	Measuring Agency	Stream flow (ft³/s)	Gage Height (ft)	GH Change (ft)	Meas. Duration (hr)	Meas. Rated	Control	Flow Adjust. Code
36	2024-04-16 16:20	HST	Yes	nsh, rms	USGS	0.18	9.65	0.00	0.33	Poor	Clear	NONE
35	2024-02-01 10:50	HST	Yes	nsh, cac	USGS	0.05	9.53			Fair	Clear	NONE
34	2023-10-18 13:40	HST	Yes	nsh, rms	USGS	0.04	9.57	0.00	0.00	Good	Clear	NONE
33	2023-08-23 10:51	HST	Yes	nsh, ckl	USGS	0.07	9.61	0.01	0.50	Good	Clear	NONE
32	2023-06-08 16:15	HST	Yes	nsh, rms	USGS	0.07	9.61	0.00	0.00	Fair	Clear	NONE
31	2023-03-29 12:17:30	HST	Yes	nsh, rms	USGS	0.07	9.61	0.00	0.08	Fair	Clear	NONE
30	2023-01-24 11:42:30	HST	Yes	nsh, cwy	USGS	0.03	9.57	0.00		Fair	Clear	NONE
29	2022-10-25 16:05	HST	Yes	nsh, sjb	USGS	0.12	9.63	0.00	0.00	Poor	Clear	NONE
28	2022-08-15 13:34	HST	Yes	nsh	USGS	0.04	9.60	0.00	0.10	Poor	Clear	NONE
27	2022-08-15 12:57:30	HST	Yes	nsh	USGS	0.05	9.60	0.00	0.08	Poor	Clear	NONE
26	2022-04-12 12:28:30	HST	Yes	amw/nsh	USGS	0.12	9.65			Poor	Clear	NONE
25	2022-04-12 12:13	HST	Yes	amw/nsh	USGS	0.14	9.65			Poor	Clear	NONE
24	2021-11-22 12:17	HST	Yes	RKN,AMW	USGS	0.09	9.60	0.00	0.03	Poor	Clear	NONE
23	2021-06-30 12:53	HST	Yes	RKN,SNR	USGS	0.10	9.61	0.00	0.08	Fair	Clear	NONE
22	2021-06-25 11:04	HST	Yes	ldp/snr	USGS	0.0510	9.58			Good	Clear	NONE
21	2021-02-04 10:20:09	HST	Yes	RKN,CLC	USGS	0.50	9.71	0.00	0.50	Poor	Clear	NONE
20	2020-12-08 12:29:30	HST	Yes	ldp, rkn	USGS	0.13	9.63	0.00	0.20	Excellent	Clear	NONE
19	2020-12-08 11:21:30	HST	Yes	ldp, rkn	USGS	0.13	9.60	0.00	0.20	Excellent	Clear	NONE
18	2020-11-04 12:40:29	HST	Yes	RKN,LDP	USGS	0.03	9.26	0.00	0.02	Good	Clear	NONE
17	2020-11-04 11:07:59	HST	Yes	RKN,LDP	USGS	0.03	9.26	0.00	0.03	Good	Clear	NONE
16	2020-07-07 12:42:30	HST	Yes	RKN,LDP	USGS	0.06	9.32	0.00	0.02	Good	DebrisLight	NONE
15	2020-07-07 12:00:29	HST	Yes	RKN,LDP	USGS	0.05	9.58	0.00	0.02	Good	DebrisLight	NONE
14	2020-07-07 11:29:29	HST	Yes	RKN,LDP	USGS	0.06	9.58	0.00	0.02	Good	DebrisLight	NONE
13	2020-06-26 11:53:30	HST	Yes	RKN,BHS	USGS	0.07	9.33	0.00	0.02	Fair	DebrisLight	NONE
12	2020-06-26 11:21:58	HST	Yes	RKN,BHS	USGS	0.07	9.32	0.00	0.02	Fair	DebrisLight	NONE
11	2020-06-26 10:59	HST	Yes	RKN,BHS	USGS	0.06	9.53	0.00	0.03	Fair	DebrisLight	NONE
10	2020-06-26 10:50:41	HST	No
9	2020-02-03 11:16:30	HST	Yes	rkn,bhs	USGS	0.13	9.43	0.00	0.02	Fair	DebrisModerate	NONE
8	2020-02-03 10:48	HST	Yes	rkn,bhs	USGS	0.12	9.57	0.00	0.02	Fair	DebrisModerate	NONE
7	2019-09-05 11:07:30	HST	Yes	RKN,LDP,CLC	USGS	0.60	9.66	0.00	0.02	Good	Clear	NONE
6	2019-07-11 13:15	HST	Yes	RKN,LDP	USGS	0.15	9.64	0.00	0.02	Good	DebrisModerate	NONE
5	2019-05-24 10:16:30	HST	Yes	LDP,RKN	USGS	0.16	9.56	0.00	0.01	Fair	VegetationModerate	NONE
4	2019-04-24 13:26:37	HST	Yes	RKN,LDP	USGS	0.36	9.68	0.00	0.51	Poor	DebrisModerate	NONE
3	2018-08-30 12:16:30	HST	Yes	RKN,LDP	USGS	1.44	9.79	-0.01	1.00	Good	Clear	NONE
2	2018-06-28 13:02	HST	Yes	LDP,RKN	USGS	1.87	9.80	0.00	0.60	Good	Clear	NONE
1	2018-05-22 16:54:30	HST	Yes	rkn,mtj	USGS	0.51	9.74			Poor	DebrisLight	NONE

Meas.
Number

Date Time

Time
Datum

Measurement
Used?

Who

Measuring
Agency

Stream
flow
(ft³/s)

Gage
Height
(ft)

GH
Change
(ft)

Meas.
Duration
(hr)

Meas.
Rated

Control

Flow
Adjust.
Code

2024-04-16 16:20

HST

Yes

nsh, rms

USGS

0.18

9.65

0.00

0.33

Poor

Clear

NONE

2024-02-01 10:50

HST

Yes

nsh, cac

USGS

0.05

9.53

Fair

Clear

NONE

2023-10-18 13:40

HST

Yes

nsh, rms

USGS

0.04

9.57

0.00

Good

Clear

NONE

2023-08-23 10:51

HST

Yes

nsh, ckl

USGS

0.07

9.61

0.01

0.50

Good

Clear

NONE

2023-06-08 16:15

HST

Yes

nsh, rms

USGS

0.07

9.61

0.00

Fair

Clear

NONE

2023-03-29 12:17:30

HST

Yes

nsh, rms

USGS

0.07

9.61

0.00

0.08

Fair

Clear

NONE

2023-01-24 11:42:30

HST

Yes

nsh, cwy

USGS

0.03

9.57

0.00

Fair

Clear

NONE

2022-10-25 16:05

HST

Yes

nsh, sjb

USGS

0.12

9.63

0.00

Poor

Clear

NONE

2022-08-15 13:34

HST

Yes

nsh

USGS

0.04

9.60

0.00

0.10

Poor

Clear

NONE

2022-08-15 12:57:30

HST

Yes

nsh

USGS

0.05

9.60

0.00

0.08

Poor

Clear

NONE

2022-04-12 12:28:30

HST

Yes

amw/nsh

USGS

0.12

9.65

Poor

Clear

NONE

2022-04-12 12:13

HST

Yes

amw/nsh

USGS

0.14

9.65

Poor

Clear

NONE

2021-11-22 12:17

HST

Yes

RKN,AMW

USGS

0.09

9.60

0.00

0.03

Poor

Clear

NONE

2021-06-30 12:53

HST

Yes

RKN,SNR

USGS

0.10

9.61

0.00

0.08

Fair

Clear

NONE

2021-06-25 11:04

HST

Yes

ldp/snr

USGS

0.0510

9.58

Good

Clear

NONE

2021-02-04 10:20:09

HST

Yes

RKN,CLC

USGS

0.50

9.71

0.00

0.50

Poor

Clear

NONE

2020-12-08 12:29:30

HST

Yes

ldp, rkn

USGS

0.13

9.63

0.00

0.20

Excellent

Clear

NONE

2020-12-08 11:21:30

HST

Yes

ldp, rkn

USGS

0.13

9.60

0.00

0.20

Excellent

Clear

NONE

2020-11-04 12:40:29

HST

Yes

RKN,LDP

USGS

0.03

9.26

0.00

0.02

Good

Clear

NONE

2020-11-04 11:07:59

HST

Yes

RKN,LDP

USGS

0.03

9.26

0.00

0.03

Good

Clear

NONE

2020-07-07 12:42:30

HST

Yes

RKN,LDP

USGS

0.06

9.32

0.00

0.02

Good

DebrisLight

NONE

2020-07-07 12:00:29

HST

Yes

RKN,LDP

USGS

0.05

9.58

0.00

0.02

Good

DebrisLight

NONE

2020-07-07 11:29:29

HST

Yes

RKN,LDP

USGS

0.06

9.58

0.00

0.02

Good

DebrisLight

NONE

2020-06-26 11:53:30

HST

Yes

RKN,BHS

USGS

0.07

9.33

0.00

0.02

Fair

DebrisLight

NONE

2020-06-26 11:21:58

HST

Yes

RKN,BHS

USGS

0.07

9.32

0.00

0.02

Fair

DebrisLight

NONE

2020-06-26 10:59

HST

Yes

RKN,BHS

USGS

0.06

9.53

0.00

0.03

Fair

DebrisLight

NONE

2020-06-26 10:50:41

HST

2020-02-03 11:16:30

HST

Yes

rkn,bhs

USGS

0.13

9.43

0.00

0.02

Fair

DebrisModerate

NONE

2020-02-03 10:48

HST

Yes

rkn,bhs

USGS

0.12

9.57

0.00

0.02

Fair

DebrisModerate

NONE

2019-09-05 11:07:30

HST

Yes

RKN,LDP,CLC

USGS

0.60

9.66

0.00

0.02

Good

Clear

NONE

2019-07-11 13:15

HST

Yes

RKN,LDP

USGS

0.15

9.64

0.00

0.02

Good

DebrisModerate

NONE

2019-05-24 10:16:30

HST

Yes

LDP,RKN

USGS

0.16

9.56

0.00

0.01

Fair

VegetationModerate

NONE

2019-04-24 13:26:37

HST

Yes

RKN,LDP

USGS

0.36

9.68

0.00

0.51

Poor

DebrisModerate

NONE

2018-08-30 12:16:30

HST

Yes

RKN,LDP

USGS

1.44

9.79

-0.01

1.00

Good

Clear

NONE

2018-06-28 13:02

HST

Yes

LDP,RKN

USGS

1.87

9.80

0.00

0.60

Good

Clear

NONE

2018-05-22 16:54:30

HST

Yes

rkn,mtj

USGS

0.51

9.74

Poor

DebrisLight

NONE