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LONDON MINE
Structure dossier · WDID 2301085 · MINE · SOUTH MOSQUITO CREEK · DWR record
Where this page's figures come from
Generated 2026-08-28 03:01 by Hydrohistorian. Sources: DWR HydroBase snapshot HydroBase_CO_20260707 (history) + CDSS REST (current), USGS NWIS cross-checks. Engine v0.5.0 (0576005) — every figure regenerates from this named code version and data image.
Where it sits
Location as DWR records it. Faint dots are the neighbouring water; click any to open it.
Current administration
● Fully called out — call at LAST CHANCE DITCH 2 (SOUTH PLATTE RIVER, priority 1863-12-30).
Which of its rights are out of priority?
Not computable for this structure: this structure is not on the modelled flow network, so no reference gage can honestly stand in for it.
Where it sits in line
Priority 1972-11-30 — 7003rd most senior of the 21881 structures with decreed rights in this water districtDWR's administrative subdivision of a river basin; the unit calls are usually stated in..
Under prior appropriationColorado's rule for sharing water: first in time, first in right. Age decides, not proximity or need., everything ahead of it in this line is satisfied in full before it receives any water. Immediately ahead: 0807289 (1972-11-20). Immediately behind: 0809038 (1972-12-01).
Decreed rights (3)
| Admin noDWR's numeric encoding of a water right's seniority. Smaller is more senior; the integer part counts days from 1849-12-31 to the date that ranks the right. | AppropriatedWhen water was first put to beneficial use. It sets seniority unless a prior adjudication date is later. | AdjudicatedWhen the water court confirmed the right. A use decreed in 1975 was not a decreed use in 1955, however old the appropriation is. | AbsoluteA right actually put to use, as opposed to conditional -- a placeholder for a use not yet made. | ConditionalA right reserving a place in line for a use not yet made; it must be diligently pursued or it lapses. | Units | UsesWhat the court said this water may be used for -- irrigation, municipal supply, augmentation and so on. | Case |
|---|---|---|---|---|---|---|---|
| 44894.0 | 1972-11-30 | 1973-12-31 | 1.3 | 0.0 | C | AUG | |
| 45259.0 | 1973-11-30 | 1973-12-31 | 1.3 | 0.0 | C | AUG | |
| 45409.0 | 1974-04-29 | 1976-12-31 | 0.231 | 5.839 | C | IRRMUNCOMINDRECFISFIRDOMAUGOTH |
Legal record & documents
6 decreed actions on record across
3 court cases:
W8314, 91CW0077, W7538.
Every case, dated
| Case | Actions | Latest adjudication | Types |
|---|---|---|---|
W8314 | 1 | 1976-12-31 | O |
91CW0077 | 3 | 1976-12-31 | O |
W7538 | 2 | 1973-12-31 | O |
DWR's own records for this structure: net amounts · transactions & adjudication history · scanned decrees (search a case number there for the imaged document). On this site: the district's full legal picture →
Recorded use (last 15 years on record)
In a median year this structure has a recorded diversion of 1,266 AF. Its most recent year on record, 2024, came in at 1,231 AF — 97% of that, and 7th lowest of the 15 years with a recorded volume.
This structure records both diversions and reservoir releases — they are separate water movements and are accounted separately below.
| Year | Diverted (AFA volume: one acre covered a foot deep, about 326,000 gallons -- roughly a suburban household's outdoor use for a year.) | Compared with its own record | Released (AF) | Days recorded | Peak (cfs) |
|---|---|---|---|---|---|
| 2010 | 205 | 1st lowest of 15 · 16% of median | 1,192 | 61 | 1.8 |
| 2011 | 1,266 | 8th lowest of 15 · 100% of median | 1,266 | 365 | 2.4 |
| 2012 | 1,100 | 3rd lowest of 15 · 87% of median | 1,100 | 366 | 2.0 |
| 2013 | 1,190 | 6th lowest of 15 · 94% of median | 1,190 | 365 | 2.1 |
| 2014 | 1,284 | 9th lowest of 15 · 101% of median | 1,284 | 365 | 2.4 |
| 2015 | 1,130 | 4th lowest of 15 · 89% of median | 1,130 | 365 | 2.1 |
| 2016 | 1,174 | 5th lowest of 15 · 93% of median | 1,174 | 366 | 2.1 |
| 2017 | 1,367 | 11th lowest of 15 · 108% of median | 1,367 | 365 | 3.0 |
| 2018 | 1,052 | 2nd lowest of 15 · 83% of median | 1,052 | 365 | 4.4 |
| 2019 | 1,370 | 12th lowest of 15 · 108% of median | 1,370 | 365 | 4.2 |
| 2020 | 1,596 | 15th lowest of 15 · 126% of median | 1,596 | 366 | 3.2 |
| 2021 | 1,335 | 10th lowest of 15 · 106% of median | 1,335 | 365 | 3.9 |
| 2022 | 1,564 | 13th lowest of 15 · 124% of median | 1,564 | 365 | 2.7 |
| 2023 | 1,584 | 14th lowest of 15 · 125% of median | 1,584 | 365 | 3.1 |
| 2024 | 1,231 | 7th lowest of 15 · 97% of median | 1,231 | 305 | 3.8 |
Trends for this structure
Recorded use is rising over its last 15 recorded years (+35 AF/yr, Mann-Kendall p=0.018).
How good is our record of it?
Grade A (9/10 points) — the components below are the finding; the letter alone is not.
The rubric, component by component
| Check | State | Detail |
|---|---|---|
| identity | complete | name, type, and water source all on file |
| decreed rights | on file | 3 right(s), seniority decoded |
| diversion record | present | 8479 measured days; currency unknown (no data-coverage date to compare against) |
| record continuity | continuous | 80% of the irrigation seasons in 1975-2024 carry measured days |
| published-record stability | stable | no upstream revisions recorded against this structure |
Advisory reading aid on public data — not an administrative or legal conclusion, not a title opinion, and not a substitute for DWR administration or an engineer's analysis. Methodology review status is disclosed at hydrohistorian's basin pages.