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BRIGHTON AUG SOUTH PLATTE IMPACT REACH
Structure dossier · WDID 0202280 · REACH (AGGREGATING) · SOUTH PLATTE RIVER · DWR record
Where this page's figures come from
Generated 2026-08-27 23:01 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 LOWER LATHAM DITCH (SOUTH PLATTE RIVER, priority 1877-11-14).
● Fully called out — call at WESTERN MUTUAL DITCH (SOUTH PLATTE RIVER, priority 1871-08-09).
● Fully called out — call at HARMONY DITCH 1 (SOUTH PLATTE RIVER, priority 1897-05-02).
● Fully called out — call at SOUTH PLATTE RIVER COMPACT (SOUTH PLATTE RIVER, priority 1897-06-13).
● Fully 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 2000-10-31 — 13309th 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: 0200527 (2000-10-31). Immediately behind: 0811253 (2000-10-31).
Decreed rights (6)
| 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 |
|---|---|---|---|---|---|---|---|
| 55091.0 | 2000-10-31 | 2000-12-31 | 0.0 | 0.0 | C | AUG | |
| 56151.0 | 2003-09-26 | 2003-12-31 | 0.0 | 0.0 | C | MUN | |
| 56445.0 | 2004-07-16 | 2004-12-31 | 0.0 | 0.0 | C | MUN | |
| 58132.0 | 2009-02-27 | 2009-12-31 | 0.0 | 0.0 | C | MUN | |
| 58366.0 | 2009-10-19 | 2009-12-31 | 0.0 | 0.0 | C | MUN | |
| 61695.0 | 2018-11-30 | 2018-12-31 | 0.0 | 0.0 | C | MUN |
Legal record & documents
20 decreed actions on record across
6 court cases:
20CW3105, 18CW3195, 04CW0174, 03CW0320, 13CW3076, 00CW0202.
Every case, dated
| Case | Actions | Latest adjudication | Types |
|---|---|---|---|
20CW3105 | 1 | 2018-12-31 | S |
18CW3195 | 5 | 2018-12-31 | S |
04CW0174 | 5 | 2009-12-31 | S |
03CW0320 | 4 | 2009-12-31 | S |
13CW3076 | 2 | 2000-12-31 | S |
00CW0202 | 3 | 2000-12-31 | S |
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 2,650 AF. Its most recent year on record, 2025, came in at 9,055 AF — 342% of that, and 14th 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 | 172 | 1st lowest of 15 · 6% of median | — | 61 | 1.6 |
| 2012 | 1,634 | 4th lowest of 15 · 62% of median | 66 | 366 | 8.9 |
| 2013 | 1,796 | 5th lowest of 15 · 68% of median | 1,115 | 365 | 9.6 |
| 2014 | 935 | 2nd lowest of 15 · 35% of median | 445 | 365 | 6.3 |
| 2015 | 1,444 | 3rd lowest of 15 · 54% of median | 1,168 | 365 | 9.8 |
| 2016 | 2,195 | 6th lowest of 15 · 83% of median | 5,105 | 366 | 11.9 |
| 2017 | 2,650 | 8th lowest of 15 · 100% of median | 928 | 365 | 15.3 |
| 2018 | 4,305 | 10th lowest of 15 · 162% of median | 172 | 365 | 18.9 |
| 2019 | 2,230 | 7th lowest of 15 · 84% of median | 1,959 | 365 | 13.8 |
| 2020 | 4,184 | 9th lowest of 15 · 158% of median | 307 | 366 | 16.8 |
| 2021 | 4,621 | 11th lowest of 15 · 174% of median | 19 | 365 | 21.5 |
| 2022 | 6,028 | 13th lowest of 15 · 228% of median | 995 | 365 | 28.9 |
| 2023 | 5,667 | 12th lowest of 15 · 214% of median | 454 | 365 | 17.8 |
| 2024 | 9,658 | 15th lowest of 15 · 364% of median | 7,847 | 366 | 29.4 |
| 2025 | 9,055 | 14th lowest of 15 · 342% of median | 9,145 | 304 | 35.9 |
Trends for this structure
Recorded use is rising over its last 15 recorded years (+527 AF/yr, Mann-Kendall p=0.000).
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 | 6 right(s), seniority decoded |
| diversion record | present | 5114 measured days; currency unknown (no data-coverage date to compare against) |
| record continuity | continuous | 100% of the irrigation seasons in 2011-2025 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.