Alabama reservoir embayment · state assessment record
Greens Creek (Neely Henry Lake)
Assessment decisions reported by Alabama Department of Environmental Management to EPA under Clean Water Act sections 303(d) and 305(b), last assessed in the 2022 reporting cycle.
- 237
- Assessed acres
- Reservoir Embayment
- Water type
This waterbody in one line
Greens Creek (Neely Henry Lake), a reservoir embayment in Alabama, is assessed as not supporting one or more designated uses, with 3 listed impairment causes in the state's most recent Integrated Report cycle (2022). By assessed acreage it sits in the upper quartile by assessed acreage nationally (38,628 lakes); its impairment list is among the longest nationally (3 listed causes vs 23,610 assessed lakes). Aquatic life is assessed as not supporting. Alabama assesses fishing as not supported; it reported no verdict on fish consumption itself.
- Not Supporting
- overall status
- P84
- Assessed size nationally
- P5
- Shorter cause list
- Not Supporting
- aquatic life
Assessment verdicts are the state agency's decisions as reported to EPA ATTAINS; PlainLakes renders them without modification.
A composite of this record's EPA ATTAINS designated-use verdicts, filed impairment count, and assessment currency, weighted and benchmarked against the national corpus of assessed active waterbodies. This is a water-quality standing, not a human-recreation or property-value judgment, and dimensions with no filed verdict drop out rather than count against the score.
How Greens Creek (Neely Henry Lake) reads against the filed register
Paragraphs are selected by this unit's percentiles and use matrix: different lakes lead with different dimensions. Figures are ATTAINS / portal register arithmetic, not advice.
The signature stat: cause-list length
The standout filed fact is cause-list length: 3 listed impairment causes, a longer list than 90% of assessed lake-type units (n=23,610). List length tracks how states sample and code, not a severity score.
Every ruled-on use is not supporting
On the uses this filer ruled on, fish consumption, recreation, aquatic life, every determination is Not Supporting. That is a use-by-use reading of the filed record, not a single overall lake grade.
Greens Creek (Neely Henry Lake): Category 4A reading
Category 4A means a TMDL (or equivalent) is already approved for the impairment on Greens Creek (Neely Henry Lake). The remaining work is implementation and tracking, read the cleanup-standing and cause rows for what the state already committed to address.
Large assessed unit
At 237.2 acres, Greens Creek (Neely Henry Lake) clears the upper tercile of assessed lake-type units with an area on file (6,347 still larger). Size comparisons use the portal's deduplicated lake ranking population, not raw ATTAINS row counts.
Overall status: not supporting
The filer's overall status for Greens Creek (Neely Henry Lake) is Not Supporting. That tile summarizes the assessment unit; the designated-use rows and cause list are the evidence behind it.
According to the U.S. Environmental Protection Agency's ATTAINS program, Alabama carries 304 filed lake-type waterbodies in the August 2026 extract, and this page renders the assessment record EPA assigned to Greens Creek (Neely Henry Lake) without modification. See our methodology for reporting-unit limits and gauge linking rules.
The record
Designated-use assessments
Fully Supporting and Not Supporting are the state's definitive verdicts; other entries mean the use was not conclusively assessed in this cycle.
| Designated use | Group | Verdict |
|---|---|---|
| Contact Recreation | Recreation | Not Supporting |
| Fishing | Fish-consumption or fishery | Not Supporting |
| Industrial and Agriculture Uses | Other | Fully Supporting |
| Propagation of Fish and Wildlife | Aquatic-life or related | Not Supporting |
The record
Listed impairment causes
Causes the state listed as impairing designated uses of this reservoir embayment, with the cycle each was first listed and the Clean Water Act action recorded against it.
| Cause | Affected uses | First listed | Cleanup standing |
|---|---|---|---|
| Biochemical Oxygen Demand (BOD) | Propagation of Fish and Wildlife; Fishing | 1996 | TMDL approved |
| Phosphorus, Total | Propagation of Fish and Wildlife; Fishing | 1996 | TMDL approved |
| pH | Propagation of Fish and Wildlife; Contact Recreation | 1996 | TMDL approved |
Probable sources named by the state
Each source below is listed under the cause the state filed it against, and carries the word the state filed with it — confirmed, or suspected.
- Phosphorus, Total
- Impacts From Hydrostructure Flow Regulation/Modification (suspected)
- pH
- Municipal Point Source Discharges (suspected) Industrial Point Source Discharge (suspected)
Reading the record
Greens Creek (Neely Henry Lake): Category 4A reading
4A Category 4A: impaired, TMDL completed
Alabama filed this assessment unit as Category 4A: impaired, with a pollutant-budget TMDL already completed under 303(d). The listing remains an impairment finding; the plan is on file rather than still awaiting write-up.
Scale and rank
Greens Creek (Neely Henry Lake) is one of 304 lake-type waterbodies reported to EPA from Alabama, and one of 263 whose reported record carries enough populated assessment or gauge data for this site to list and index it. At 237 assessed acres it ranks 6,348th by assessed size among the 38,628 lakes the dataset carries an area for, counting a state’s repeated filings of one water once, behind 6,347 lakes with a larger one.
In context
Where Greens Creek (Neely Henry Lake) sits nationally
Assessed size among U.S. lakes
Distribution of assessed acreage across ATTAINS lakes filed with an area, counting a state’s repeated filings of one water once
237 Top 16% larger than 84% of 38,628 lakes
lakes the dataset carries an area for, counting a state’s repeated filings of one water once, bucketed by value
Source EPA ATTAINS · Reporting cycles 1987–2026
Listed causes vs waterbodies carrying a verdict
How many impairment causes U.S. waterbodies with a reported verdict carry
3 Longer than most more listed causes than 90% of 23,610 waterbodies carrying a verdict
named waterbodies carrying a verdict, bucketed by value
Source EPA ATTAINS · Reporting cycles 1987–2026
In both charts each bar is a band and taller bars hold more waterbodies; the dashed line and filled bar mark Greens Creek (Neely Henry Lake). Hover or tap any bar for its full count and share.
In context
Alabama context
ATTAINS carries 304 lake-type waterbodies in Alabama, 143 assessed as not supporting at least one use and 130 fully supporting. Among the 263 indexed units there, Greens Creek (Neely Henry Lake) ranks 28th by listed-cause count (3 listed causes) and 180th by assessed size among the 263 with an area filed; it sits in the not-supporting set (143 statewide) . Its listed causes include Biochemical Oxygen Demand (BOD); and Phosphorus, Total, which also appear among Alabama's most-filed impairment causes (led by Mercury). It also lists pH, outside that top-five list.
| Other large assessed lakes in Alabama | Assessed acres |
|---|---|
| Tennessee River (Lake Guntersville) Fully Supporting | 20,440 |
| Wheeler Lake Not Supporting | 18,705 |
| Tallapoosa River (Lake Martin) Fully Supporting | 15,867 |
| Coosa River (Weiss Lake) Not Supporting | 15,066 |
| Tennessee River (Wheeler Lake) Not Supporting | 13,441 |
| Tennessee River (Wilson Lake) Not Supporting | 13,363 |
Peers near Greens Creek (Neely Henry Lake)'s size or cause load
Similar assessed acres
Nearest filed extents (237 acres here).
- Dahler · 237 acres · MN
- Elm Lake WMA · 237 acres · MN
- South Gallagher Flowage · 237 acres · WI
- Whitefish · 237 acres · MN
Similar cause load
Nearest listed-cause counts (3 here). Peers already in the acreage column are omitted.
- 67th St. Beach · 3 causes · IL
- Abiquiu Reservoir · 3 causes · NM
- Absecon Creek (AC Reserviors) (gage to SB) · 3 causes · NJ
- Absecon Creek (below gage) · 3 causes · NJ
What to do with this record
- The listing here is on a fishery use, not on fish consumption, and this state reported no consumption verdict for this reservoir embayment. Your state fish-advisory program is the source for whether the catch is safe to eat. Consumption status guide
- Impairment listings follow the Clean Water Act 303(d) process; a listing is a regulatory finding, not a closure notice. 303(d) explained
PlainLakes renders state assessment decisions and federal gauge observations without modification. It does not issue advisories.
Assessment decisions on this page are rendered directly from state Integrated Report records in EPA's ATTAINS system; gauge figures are daily-value observations from the USGS National Water Information System, no number is typed in by an editor. Overall status, use verdicts, and causes are the state's reported decisions for assessment unit AL03150106-0309-311. Counts and percentiles are computed across all lake-type records PlainLakes ingests from ATTAINS. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-08-17. Primary sources: EPA ATTAINS and USGS National Water Information System.