Hydrohistorian
← All instream flows
Instream flows in Boulder Creek
Division 1 · Water District 6 · 36 reaches, 234.7 miles · 14 natural lake levels · district page →
| Water | From → to | Schedule (cfs, season) | Appropriated | Case | |
|---|---|---|---|---|---|
| BETTY LAKE Lake · 47.0 af · New Appropriation |
— | — | 1976-03-17 | W-8378-76 | dossier |
| BOB LAKE Lake · 425.0 af · New Appropriation |
— | — | 1976-03-17 | W-8379-76 | dossier |
| CLAYTON LAKE Lake · 9.0 af · New Appropriation |
— | — | 1976-03-17 | W-8350-76 | dossier |
| DEVILS THUMB LAKE Lake · 213.0 af · New Appropriation |
— | — | 1976-03-17 | W-8381-76 | dossier |
| DIAMOND LAKE, UPPER Lake · 51.0 af · New Appropriation |
— | — | 1976-03-17 | W-8355-76 | dossier |
| HEART LAKE Lake · 502.0 af · New Appropriation |
— | — | 1976-03-17 | W-8351-76 | dossier |
| ICEBERG LAKE, NORTH Lake · 385.0 af · New Appropriation |
— | — | 1976-03-17 | W-8352-76 | dossier |
| ICEBERG LAKE, SOUTH Lake · 320.0 af · New Appropriation |
— | — | 1976-03-17 | W-8353-76 | dossier |
| JEWELL MOUNTAIN LAKE Lake · 28.0 af · New Appropriation |
— | — | 2002-01-23 | 02CW0372 | dossier |
| KING LAKE Lake · 374.0 af · New Appropriation |
— | — | 1976-03-17 | W-8382-76 | dossier |
| LOST LAKE Lake · 110.0 af · New Appropriation |
— | — | 1978-07-11 | W-9381-78 | dossier |
| ROGERS PASS LAKE Lake · 20.0 af · New Appropriation |
— | — | 1976-03-17 | W-8354-76 | dossier |
| STORM LAKE Lake · 15.0 af · New Appropriation |
— | — | 1976-03-17 | W-8358-76 | dossier |
| WOODLAND LAKE Lake · 25.0 af · New Appropriation |
— | — | 1976-03-17 | W-8385-76 | dossier |
| Boulder Creek Stream · 12.0 mi · New Appropriation |
PSC Hydro Plant outfall in → 75th Street bridge in |
15.0 cfs 1/1–12/31 |
1973-10-01 | 74W7636 | dossier |
| Boulder Creek Stream · 16.5 mi · Acquisition |
confl N & M Boulder Creeks in → 75th Street bridge in |
0.643 cfs 5/1–9/30 |
1862-06-01 | 90CW0193 | dossier |
| Boulder Creek Stream · 16.5 mi · Acquisition |
confl N & M Boulder Creeks in → 75th Street bridge in |
0.5 cfs 1/1–12/31 |
1928-09-06 | 90CW0193 | |
| Boulder Creek Stream · 16.5 mi · Acquisition |
confl N & M Boulder Creeks in → 75th Street bridge in |
0.451 cfs 5/1–10/15 |
1859-11-15 | 90CW0193 | dossier |
| Boulder Creek Stream · 16.5 mi · Acquisition |
confl N & M Boulder Creeks in → 75th Street bridge in |
1.5 cfs 11/1–4/30 |
1904-02-09 | 90CW0193 | dossier |
| Boulder Creek Stream · 12.0 mi · Acquisition |
PSC Hydro Plant outfall in → 75th Street bridge in |
15.0 cfs 1/1–12/31 |
1956-05-15 | 90CW0193 | dossier |
| Boulder Creek Stream · 12.0 mi · Acquisition |
hdgt Farmers Ditch in → 75th Street bridge in |
12.17 cfs 5/1–9/30 |
1862-10-01 | 90CW0193 | dossier |
| Boulder Creek Stream · 7.1 mi · Acquisition |
hdgt Boulder & White Rk Ditch in → 75th Street bridge in |
1.0 cfs 4/1–10/31 |
1862-06-01 | 79CW0308 | dossier |
| Boulder Creek Stream · 16.5 mi · Acquisition |
confl N & M Boulder Creeks at → 75th Street bridge at |
1.07 cfs 5/1–5/31 2.23 cfs 6/1–6/30 2.16 cfs 7/1–7/31 1.62 cfs 8/1–8/31 1.23 cfs 9/1–9/30 |
1860-10-01 | 90CW0193 | dossier |
| Boulder Creek Stream · 4.5 mi · New Appropriation |
confl N & M Boulder Creeks in → PSC Hydro Plant outfall in |
15.0 cfs 4/1–10/31 6.0 cfs 11/1–3/31 |
1993-11-10 | 94CW0018 | dossier |
| Boulder Creek Stream · 16.5 mi · Acquisition |
confl N & M Boulder Creeks in → 75th Street bridge in |
1.8 cfs 5/1–9/30 |
1862-06-01 | 90CW0193 | dossier |
| Caribou Creek Stream · 3.5 mi · New Appropriation |
headwaters in → confl North Boulder Creek at |
1.5 cfs 11/1–3/31 2.5 cfs 4/1–10/31 |
1987-12-11 | 87CW0284 | dossier |
| Como Creek Stream · 4.2 mi · New Appropriation |
headwaters in the vicinity of → Forest Service boundary at |
2.9 cfs 5/1–7/31 1.1 cfs 8/1–10/15 0.45 cfs 10/16–3/31 1.1 cfs 4/1–4/30 |
2008-01-23 | 08CW0162 | dossier |
| Fourmile Creek Stream · 8.5 mi · New Appropriation |
headwaters in vicinity of → Forest Service boundary at |
3.0 cfs 1/1–12/31 |
1978-07-11 | 78W9376 | dossier |
| Fourmile Creek Stream · 6.8 mi · New Appropriation |
Forest Service boundary at → confl Boulder Creek at |
0.5 cfs 9/16–3/31 1.5 cfs 4/1–9/15 |
1995-07-24 | 95CW0258 | dossier |
| Horseshoe Creek Stream · 1.9 mi · New Appropriation |
headwaters in vicinity of → confl Caribou Creek in |
0.75 cfs 11/1–3/31 1.5 cfs 4/1–10/31 |
1987-12-11 | 87CW0279 | dossier |
| Jasper Creek Stream · 4.5 mi · New Appropriation |
headwaters in vicinity of → confl S Fk Middle Boulder Creek |
2.25 cfs 4/16–10/15 1.0 cfs 10/16–4/15 |
1995-07-24 | 95CW0257 | dossier |
| Jenny Creek Stream · 5.8 mi · New Appropriation |
outlet Jenny Lake at → confl South Boulder Creek at |
1.0 cfs 1/1–12/31 |
1987-12-11 | 87CW0285 | dossier |
| Mammoth Gulch Stream · 1.3 mi · New Appropriation |
confl unnamed tributary at → confl South Boulder Creek at |
2.0 cfs 11/1–3/31 4.0 cfs 4/1–10/31 |
1987-12-11 | 87CW0287 | dossier |
| Middle Boulder Creek Stream · 6.0 mi · New Appropriation |
confl NF & SF M Boulder Ck in → inlet Barker Res in |
12.0 cfs 1/1–12/31 |
1978-07-11 | 78W9375 | dossier |
| North Boulder Creek Stream · 4.0 mi · New Appropriation |
hdgt Silver Lake div structure at → confl Lakewood Res inlet in |
4.0 cfs 4/1–10/31 1.5 cfs 11/1–3/31 |
1993-11-10 | 94CW0020 | dossier |
| North Boulder Creek Stream · 6.4 mi · New Appropriation |
confl Lakewood Res inlet in → confl N & M Boulder Creeks in |
5.0 cfs 4/1–9/30 2.0 cfs 10/1–3/31 |
1993-11-10 | 94CW0019 | dossier |
| North Fork Middle Boulder Creek Stream · 7.0 mi · New Appropriation |
headwaters in vicinity of → confl SF Middle Boulder Ck in |
7.0 cfs 1/1–12/31 |
1978-07-11 | 78W9360 | dossier |
| Rock Creek Stream · 2.5 mi · New Appropriation |
headwaters in vicinity of → Rocky Flats Wildlfe Refuge bndry at |
0.25 cfs 11/1–2/29 0.7 cfs 3/1–5/31 0.1 cfs 6/1–10/31 |
2006-01-25 | 06CW0233 | dossier |
| South Beaver Creek Stream · 3.8 mi · New Appropriation |
confl unnamed tributary at → confl S Boulder Creek in |
1.0 cfs 1/1–12/31 |
1986-09-05 | 86CW0299 | dossier |
| South Boulder Creek Stream · 7.7 mi · New Appropriation |
USGS Gage 06729500 in → South Boulder Road bridge in |
2.0 cfs 10/1–4/30 15.0 cfs 5/1–9/30 |
1980-12-02 | 80CW0379 | dossier |
| South Boulder Creek Stream · 5.9 mi · New Appropriation |
outlet Gross Res at → USGS gage 06729500 in |
15.0 cfs 5/1–9/30 6.0 cfs 10/1–4/30 |
1980-12-02 | 80CW0379 | dossier |
| South Boulder Creek Stream · Acquisition |
Gross Reservoir Outlet → USGS Gage 06729500 |
15.0 cfs 5/1–9/30 8.0 cfs 10/1–4/30 |
16CW3160 | ||
| South Boulder Creek Stream · 3.6 mi · New Appropriation |
outlet Rogers Pass Lake at → confl East Portal Moffat Tunnel at |
1.25 cfs 10/16–4/30 3.5 cfs 5/1–10/15 |
1995-07-24 | 95CW0259 | dossier |
| South Boulder Creek Stream · Acquisition |
South Boulder Road → Confluence with Boulder Creek |
— | 17CW3212 | ||
| South Boulder Creek Stream · Acquisition |
South Boulder Road → Conf Boulder Creek |
5.8 cfs 5/1–9/30 2.5 cfs 10/1–4/30 |
16CW3160 | ||
| South Boulder Creek Stream · Acquisition |
USGS Gage 06729500 → South Boulder Road |
15.0 cfs 5/1–9/30 8.0 cfs 10/1–4/30 |
16CW3160 | ||
| South Boulder Creek Stream · Acquisition |
USGS gage 06729500 → South Boulder Road |
— | 17CW3212 | ||
| South Boulder Creek Stream · Acquisition |
Gross Reservoir → USGS gage 06729500 |
— | 17CW3212 | ||
| South Fork Middle Boulder Creek Stream · 0.9 mi · New Appropriation |
confl Jasper Creek at → confl NF Middle Boulder Creek in |
4.0 cfs 10/1–3/31 8.0 cfs 4/1–9/30 |
1986-09-05 | 86CW0300 | dossier |
| South Fork Middle Boulder Creek Stream · 3.8 mi · New Appropriation |
outlet Betty Lake at → confl Jasper Creek at |
1.5 cfs 10/16–4/14 4.0 cfs 4/15–10/15 |
1995-07-24 | 95CW0260 | dossier |
The Board's tabulation, fetched 2026-10-11. Whether a reach is being called on today is on each right's dossier, where the site's own administrative-call record is read per right. Report a problem →