Big Thompson Ditch And Manufacturing Company
- Town
- Loveland
- Basin
- South Platte
- Organized
- 1886
- Standing with the Colorado Secretary of State
- In good standing
- Colorado SOS entity ID
- 19871007283
- Principal office address on state record
- 1417 W 29th St, Loveland, CO 80538
- Registered agent
- THE BIG THOMPSON DITCH AND MANUFACTURING COMPANY
- Water source
- Big Thompson River
- Earliest decreed right
- 1861 per Colorado DWR records
Sources: Colorado Secretary of State business records as of August 3, 2026 (standing, principal office address, registered agent, formation date, entity ID), and Colorado Department of Water Resources net-amount records as of August 11, 2026 for the water source and earliest decreed right, including rights recorded only as alternate-point/exchange (APEX) amounts (each links to the state's own record). Compiled by DitchBook from public records, not edited by the company — how this page is built and what it can't tell you.
Official public-directory contact
Contact Big Thompson Ditch And Manufacturing Company
- Contact
- Company office
- Phone
- 970-667-1029
- Mailing address
- 914 S. Railroad Ave, Loveland, CO 80537
This contact appears in an official public directory dated 2021, so confirm it before relying on it. Source checked August 15, 2026; source listing: Big Thompson Ditch and Manufacturing Co.; sources: Larimer County irrigation ditch companies directory. The company has not claimed or edited this page.
Contact details can change. Represent the company? Update or remove this contact.
Verified public water record
Water structure
| Structure | WDID | Type and source | DWR location | Map |
|---|---|---|---|---|
| Big Thompson Ditch & Manufacturing Co Ditch | 0400503 | Ditch Big Thompson River |
Larimer County · Division 1 · District 4 | View on map |
Published from DitchBook's verified company-to-WDID crosswalk as of August 17, 2026, using Colorado DWR structure records pulled August 11, 2026. Open a structure for its source fields, exact map status, company association, and official water-right citation. This table does not say that any particular parcel is served by, owns shares in, or is crossed by the structure.
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Water-right portfolio
17 additional rights recorded only as alternate-point/exchange (APEX) net amounts are not shown in this table. 4 rights shown also carry APEX amounts that are not displayed.
Big Thompson Ditch & Manufacturing Co Ditch — WDID 0400503
Scroll the table sideways to see every column.
| Priority / admin no. | Appropriation | Adjudication | Decreed amount | Absolute or conditional | Decreed uses |
|---|---|---|---|---|---|
| 4839 | April 1, 1863 | May 28, 1883 | 13.485 cfs | absolute | Irrigation; Municipal; Commercial; Industrial; Recreation; Fire; Domestic; Other |
| 5235 | May 1, 1864 | May 28, 1883 | 14.614 cfs | absolute | Irrigation; Municipal; Commercial; Industrial; Recreation; Fire; Domestic; Other |
| 6269 | March 1, 1867 | May 28, 1883 | 25.914 cfs | absolute | Irrigation; Municipal; Commercial; Industrial; Recreation; Fire; Domestic; Other |
| 8157 | May 1, 1872 | May 28, 1883 | 3.858 cfs | absolute | Irrigation; Municipal; Commercial; Industrial; Recreation; Fire; Domestic; Other |
As of 2026-07-27, DWR Water Rights Net Amounts. Absolute rights are decreed for water already put to use; conditional rights hold a place in line for use not yet completed. Amounts are shown exactly as the state records them. How this page is built.
Water-right lineage
This timeline puts WDID 0400503’s decreed rights (Big Thompson Ditch & Manufacturing Co Ditch) — the same rights as the portfolio above — in chronological order by appropriation date (oldest first), grouped by decade. It reflects DWR’s current net-amounts tabulation, not a complete decree history: intermediate decrees, changes, and abandonment proceedings exist only in the underlying court case files. It is not a title opinion and not a complete chain of title.
17 additional rights recorded only as alternate-point/exchange (APEX) net amounts are not included in this timeline. 4 rights shown also carry APEX amounts that are not displayed.
1860s
-
April 1, 1863
13.485 cfs, absolute, for Irrigation; Municipal; Commercial; Industrial; Recreation; Fire; Domestic; Other. Adjudicated May 28, 1883 — DWR associated-case references: 02CW0392, 01CW0182, CA8795, CA8445, CA6904, CA0276, CA0261, CA0260, CA0259, 87CW0178, 82CW0202, 81CW0103, 05/28/1883.
-
May 1, 1864
14.614 cfs, absolute, for Irrigation; Municipal; Commercial; Industrial; Recreation; Fire; Domestic; Other. Adjudicated May 28, 1883 — DWR associated-case references: 02CW0392, 01CW0182, 82CW0202, CA8795, CA8445, CA6904, CA0276, CA0261, CA0260, CA0259, 87CW0178, 81CW0103, 05/28/1883.
-
March 1, 1867
25.914 cfs, absolute, for Irrigation; Municipal; Commercial; Industrial; Recreation; Fire; Domestic; Other. Adjudicated May 28, 1883 — DWR associated-case references: 02CW0392, 01CW0182, CA8795, CA8445, CA6904, CA0262, CA0261, CA0259, 87CW0178, 82CW0202, 81CW0103, 05/28/1883.
1870s
-
May 1, 1872
3.858 cfs, absolute, for Irrigation; Municipal; Commercial; Industrial; Recreation; Fire; Domestic; Other. Adjudicated May 28, 1883 — DWR associated-case references: 02CW0392, 01CW0182, CA8795, CA8445, CA6904, CA0276, CA0261, CA0260, CA0259, 87CW0178, 82CW0202, 81CW0103, 05/28/1883.
As of 2026-07-27, DWR Water Rights Net Amounts. DWR's associated-case references are shown verbatim from its bulk water-rights export, as of 2026-08-11 — some entries are date-like artifacts of DWR's own data, not case numbers; DitchBook has not verified them against court files. How this page is built.
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Irrigated acreage history
These snapshots track state-mapped parcel linkage to the listed structures; they do not measure the company's operations or status.
- Grass Pasture
- Corn
- Alfalfa
- Small Grains
- Sugar Beets
- Other crops
| Snapshot year | Total acres | Largest crop that year |
|---|---|---|
| 1956 | 998.1 | Grass Pasture |
| 1976 | 913.4 | Grass Pasture |
| 1987 | 835.5 | Small Grains |
| 1997 | 811.2 | Corn |
| 2001 | 801.1 | Grass Pasture |
| 2005 | 747.1 | Corn |
| 2010 | 790.4 | Grass Pasture |
| 2015 | 752 | Grass Pasture |
| 2020 | 612 | Corn |
Source: CDSS Division 1 Irrigated Lands snapshots (1956, 1976, 1987, 1997, 2001, 2005, 2010, 2015, 2020). These parcels are the ones the state links to WDID 0400503. The parcels are mapped by the State of Colorado, not by the company and not by DitchBook. The state's mapping for this company includes parcels the state maps to this company's structures alone. How this page is built.
Irrigated land linked to this company
- 2020 irrigated-parcel footprint (state-mapped)
- Service area (vintage 2005) — context only
The 2020 state-mapped irrigated-parcel footprint linked to this company's structures lies in Larimer County, on Big Thompson River. It covers about 612 acres.
Footprint: state-mapped irrigated parcels for WDID 0400503, 2020 snapshot, from CDSS Irrigated Lands. The dashed outline is a service-area layer (vintage 2005) shown for context only — it is not used for any figure on this page; source: CDSS Div1_Canals package, Div1_Ditch_Service_Area_2005. Satellite imagery is available via the map's Satellite/Map toggle, courtesy of USDA/USGS (The National Map), public domain. Boundaries are the state's, drawn to locate the land, not to settle it. How this page is built.
Recorded diversions
Scroll the table sideways to see every column.
| Year | Total acre-feet |
|---|---|
| 1950 | 4,285.4 |
| 1951 | 4,011.8 |
| 1952 | 4,430.5 |
| 1953 | 6,380.5 |
| 1954 | 6,221 |
| 1955 | 6,046.2 |
| 1956 | 6,000.3 |
| 1957 | 4,369.1 |
| 1958 | 4,607.9 |
| 1959 | 5,324.3 |
| 1960 | 5,995.4 |
| 1961 | 5,356.1 |
| 1962 | 5,922.3 |
| 1963 | 5,058.3 |
| 1964 | 5,972.3 |
| 1965 | 5,169 |
| 1966 | 5,723.4 |
| 1967 | 2,761 |
| 1968 | 5,260.2 |
| 1969 | 4,742.5 |
| 1970 | 4,127.7 |
| 1971 | 3,762.7 |
| 1972 | 4,817.9 |
| 1973 | 4,218.9 |
| 1974 | 5,557.8 |
| 1975 | 4,203 |
| 1976 | 5,653 |
| 1977 | 4,738.6 |
| 1978 | 5,129.3 |
| 1979 | 3,020.9 |
| 1980 | 2,808.6 |
| 1981 | 4,240.7 |
| 1982 | 4,153.4 |
| 1983 | 4,070.1 |
| 1984 | 4,177.3 |
| 1985 | 4,441.1 |
| 1986 | 3,844 |
| 1987 | 3,405.7 |
| 1988 | 3,684.4 |
| 1989 | 4,173.3 |
| 1990 | 4,667.2 |
| 1991 | 4,230.8 |
| 1992 | 4,423.2 |
| 1993 | 5,176.9 |
| 1994 | 5,165 |
| 1995 | 3,350.1 |
| 1996 | 5,101.6 |
| 1997 | 4,572 |
| 1998 | 6,373 |
| 1999 | 3,762.3 |
| 2000 | 5,335.6 |
| 2001 | 3,477.1 |
| 2002 | 2,367.7 |
| 2003 | 3,521.5 |
| 2004 | 3,411.4 |
| 2005 | 4,062.4 |
| 2006 | 3,961.4 |
| 2007 | 4,223.9 |
| 2008 | 3,733.9 |
| 2009 | 3,544.3 |
| 2010 | 5,694.5 |
| 2011 | 5,423.2 |
| 2012 | 4,314.4 |
| 2013 | 3,604.4 |
| 2014 | 2,935.6 |
| 2015 | 4,388.9 |
| 2016 | 4,161.4 |
| 2017 | 4,238.4 |
| 2018 | 3,044.1 |
| 2019 | 3,880.8 |
| 2020 | 3,384.9 |
| 2021 | 4,177 |
| 2022 | 4,353.8 |
| 2023 | 2,364.9 |
| 2024 | 4,196.8 |
| 2025 | 3,664.7 |
As of 2026-07-27, DWR diversion records for WDID 0400503. Annual values follow the DWR water year (November–October). These are DWR's published records. A diversion record is what the state's records show ran through the headgate; it is not a share, an entitlement, or a company allocation. How this page is built.
Sources for this profile
- DWR Water Rights Net Amounts — pulled 2026-07-27
- DWR bulk water-rights export (per-right associated-case references) — pulled 2026-08-11
- CDSS Division 1 Irrigated Lands snapshots — 1956, 1976, 1987, 1997, 2001, 2005, 2010, 2015, 2020
- State-mapped irrigated-parcel footprint — 2020 snapshot, from CDSS Irrigated Lands
- Service-area layer — vintage 2005 — context only (CDSS Div1_Canals package, Div1_Ditch_Service_Area_2005)
- DWR diversion records — pulled 2026-07-27 (published)
Assembled from Colorado DWR/CDSS public datasets. Informational; accuracy not guaranteed. Not a determination of historical consumptive use and not recommended as a primary source in Colorado Water Court, where quantification requires a licensed engineering analysis.
Each dataset above, and the limits on what it can show, is documented on the methods page. Found something that doesn't match your records? Tell us — corrections ship the same day.
DitchBook is not affiliated with Big Thompson Ditch And Manufacturing Company. This page is a public-record profile compiled from Colorado Secretary of State and public water-district data.
A mutual ditch or reservoir company is a nonprofit corporation formed under Colorado law — most commonly C.R.S. Title 7, Article 42 — so that landowners who share an irrigation ditch, canal, or reservoir can jointly own and operate it. Instead of the water right belonging to a single person, shares in the company represent each owner's proportional claim, and the company's board and secretary keep the ledger, run assessments for maintenance, and issue certificates the way any small corporation would. Many of these companies have operated continuously since the 1880s, run entirely by volunteer officers who inherit the books from whoever kept them before.
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