Old Rv Lake
Chambers County, TexasView mapDirections
Not enough samples to grade — no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). No letter yet. Here is what we do have.
- 40 ft max depth
- Public access
- Limited data
Old Rv Lake in Chambers County, Texas is not rated for water quality — its monitoring record does not meet the evidence bar. Phosphorus: 135 µg/L.
- Max depth
- ~40 ft est.
- Phosphorus
- 135 µg/L
- Trend
- ↓ Declining
- Public access
- Yes
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Watch Old Rv Lake’s letter
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Why Old Rv Lake has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Old Rv Lake, no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). Sampling here has recorded phosphorus, but not water clarity and algae (chlorophyll-a).
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by TCEQ and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Old Rv Lake is a lake in Chambers County, Texas with an estimated average depth of about 40 feet. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, TCEQ, last sampled 2022-09-07. Grade methodology: LakeQuality methodology.
What Old Rv Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Check local advisories before you swim.
Water quality measurements for Old Rv Lake
These readings exist but are not enough for an A–F grade — see why.
No clarity data. Phosphorus 135 µg/L. TSI 75.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 135 µg/L | Not graded |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 75 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~40 ft est. |
| Average Depth | ~7 ft est. |
| Public Access | Yes |
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Texas has not published bathymetry for Old Rv Lake.
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
Recreation & Access
- Interstate 10 BridgePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Old Rv Lake
Water Quality Trend: ↓ Declining
Based on 2 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Phosphorus | ↓ Declining | +10 µg/L/yr | 2 |
Graded lakes near Old Rv Lake
Old Rv Lake has no grade, but these lakes within a short drive do.
Nearby Lakes in Chambers County
Frequently asked questions about Old Rv Lake
Where is Old Rv Lake?
- Old Rv Lake is a lake in Chambers County, Texas. LakeQuality has not rated this lake (UNRATED) — no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years).
What is the water quality grade for Old Rv Lake?
- Old Rv Lake in Chambers County, Texas is not rated for water quality — its monitoring record does not meet the evidence bar. Phosphorus: 135 µg/L.
Is Old Rv Lake safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
How deep is Old Rv Lake?
- No published bathymetric survey covers Old Rv Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 40 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.
Are there boat ramps on Old Rv Lake?
- Old Rv Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Interstate 10 Bridge. Public access is listed as yes.
Explore Old Rv Lake across LakeQuality
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Where this data comes from
4 measurements from 1 monitoring station, 2020–2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- USGS Texas Water Science Center
USGS-TX4 samples · 2020–2022
Monitoring station identifiers (1)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Lake size & watershed from HydroLAKES (HydroSHEDS)
Named boat-access points from the USGS National Boat Ramps inventory