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LOWER LATHAM DITCH
Structure dossier · WDID 0200834 · DITCH · SOUTH PLATTE RIVER · DWR record
Where this page's figures come from
Generated 2026-08-27 22:58 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
● Junior rights called out — call at HARMONY DITCH 1 (SOUTH PLATTE RIVER, priority 1897-05-02).
● Junior rights called out — call at SOUTH PLATTE RIVER COMPACT (SOUTH PLATTE RIVER, priority 1897-06-13).
● Junior rights called out — call at LOWER PLATTE BEAVER D (SOUTH PLATTE RIVER, priority 1888-04-14).
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 1869-05-12 — 279th 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: 8002912 (1869-05-01). Immediately behind: 0801220 (1869-06-01).
Decreed rights (7)
| 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 |
|---|---|---|---|---|---|---|---|
| 7072.0 | 1869-05-12 | 1883-04-28 | 20.4 | 0.0 | C | IRRMUNCOMINDFIRDOMSTKAUGCURRCH | |
| 9112.0 | 1874-12-12 | 1883-04-28 | 35.77 | 0.0 | C | IRRMUNCOMINDFIRDOMSTKAUGCURRCH | |
| 10180.0 | 1877-11-14 | 1883-04-28 | 97.68 | 0.0 | C | IRRMUNCOMINDFIRDOMSTKAUGCURRCH | |
| 11620.0 | 1881-10-24 | 1883-04-28 | 133.88 | 0.0 | C | IRRMUNCOMINDFIRDOMSTKAUGCURRCH | |
| 16607.0 | 1895-06-20 | 1918-08-02 | 34.0 | 0.0 | C | IRRAUGRCH | |
| 55840.0 | 2002-11-19 | 2002-12-31 | 0.0 | 0.0 | C | STO | |
| 57677.0 | 2007-11-30 | 2003-12-31 | 7.83 | 172.17 | C | AUG |
Legal record & documents
72 decreed actions on record across
12 court cases:
18CW3194, 03CW0047, 11CW0213, 02CW0270, CA54658, 02CW0245, CA6009, 88CW0264B, 20CW3213, 19CW3084 and 2 more below.
Every case, dated
| Case | Actions | Latest adjudication | Types |
|---|---|---|---|
18CW3194 | 1 | 2003-12-31 | S |
03CW0047 | 14 | 2003-12-31 | O, S |
11CW0213 | 1 | 2002-12-31 | S |
02CW0270 | 1 | 2002-12-31 | S |
CA54658 | 1 | 1918-08-02 | S |
02CW0245 | 10 | 1918-08-02 | O, S |
CA6009 | 4 | 1883-04-28 | O |
88CW0264B | 8 | 1883-04-28 | O |
20CW3213 | 8 | 1883-04-28 | O |
19CW3084 | 8 | 1883-04-28 | O |
13CW3057 | 8 | 1883-04-28 | O |
02CW0404 | 8 | 1883-04-28 | 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 49,614 AF. Its most recent year on record, 2025, came in at 52,349 AF — 106% of that, and 11th 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) |
|---|---|---|---|---|---|
| 2011 | 20 | 1st lowest of 15 · 0% of median | — | 11 | 3.0 |
| 2012 | 42,959 | 2nd lowest of 15 · 87% of median | — | 223 | 187.1 |
| 2013 | 48,951 | 6th lowest of 15 · 99% of median | — | 248 | 236.0 |
| 2014 | 49,567 | 7th lowest of 15 · 100% of median | — | 214 | 221.1 |
| 2015 | 45,412 | 4th lowest of 15 · 92% of median | — | 216 | 239.0 |
| 2016 | 44,383 | 3rd lowest of 15 · 90% of median | — | 215 | 219.0 |
| 2017 | 49,614 | 8th lowest of 15 · 100% of median | — | 220 | 215.1 |
| 2018 | 59,202 | 14th lowest of 15 · 119% of median | — | 275 | 228.7 |
| 2019 | 48,545 | 5th lowest of 15 · 98% of median | — | 304 | 210.0 |
| 2020 | 51,009 | 10th lowest of 15 · 103% of median | — | 211 | 211.9 |
| 2021 | 57,911 | 13th lowest of 15 · 117% of median | — | 210 | 220.0 |
| 2022 | 57,330 | 12th lowest of 15 · 116% of median | — | 276 | 216.6 |
| 2023 | 50,317 | 9th lowest of 15 · 101% of median | — | 365 | 233.9 |
| 2024 | 61,813 | 15th lowest of 15 · 125% of median | — | 366 | 215.0 |
| 2025 | 52,349 | 11th lowest of 15 · 106% of median | — | 304 | 206.1 |
Call-derived yield: senior right divertible 35.2% of a median season / 21.5% dry-year.
Trends for this structure
Recorded use is rising over its last 15 recorded years (+1120 AF/yr, Mann-Kendall p=0.002).
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 | 7 right(s), seniority decoded |
| diversion record | present | 15165 measured days; currency unknown (no data-coverage date to compare against) |
| record continuity | continuous | 94% of the irrigation seasons in 1950-2025 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.