Does not support healthy aquatic life (1 of 2 assessed stretches)
Can fish and aquatic insects live here?
North Carolina · waterway · Rocky basin
Coddle Creek, Including Water Supply Reservoir For Concord): what state assessments show
Does not support healthy aquatic life.
Official state determinations under the Clean Water Act — about the waterway, not measurements taken today.
Coddle Creek, Including Water Supply Reservoir For Concord) in the Rocky basin is tracked by the state as 2 separately assessed stretches (most recent cycle: 2022). Below is every designated-use determination on record — and what hasn't been assessed.
Designated uses
A use the state didn't report is omitted rather than shown as passing. "Never assessed" means unknown — never clean.
Listed causes
- ph, high (ph/acidity/caustic conditions)
A listed cause names what the assessment found in the water. It is not an attribution to any specific facility or source.
Assessed stretches
The state tracks this waterway as 2 assessment units — a stretch can fail a standard while another meets it.
Assessment unit IDs (2)
NC13-17-6-(1.5)a · NC13-17-6-(1.5)b
What the record doesn’t establish
- Whether Coddle Creek, Including Water Supply Reservoir For Concord) is safe for swimming — the state hasn't assessed it for recreation here.
- Whether fish caught in Coddle Creek, Including Water Supply Reservoir For Concord) are safe to eat — no fish-consumption assessment on record here.
- What today's water looks like — assessments are determinations made on multi-year cycles, not live measurements.
Common questions
Is it safe to swim in Coddle Creek, Including Water Supply Reservoir For Concord)?
The state has not rated Coddle Creek, Including Water Supply Reservoir For Concord) for swimming — that's a gap in the record, not a clean result.
Can you eat fish caught in Coddle Creek, Including Water Supply Reservoir For Concord)?
The state has not rated Coddle Creek, Including Water Supply Reservoir For Concord) for fish consumption — unknown, not clean.
Why is Coddle Creek, Including Water Supply Reservoir For Concord) listed as impaired?
State assessments list: ph, high. A listed cause names the problem the assessment found — it does not attribute it to any specific source.
Sources
| Dataset | Agency version | Retrieved |
|---|---|---|
| EPA/state ATTAINS waterway assessments | ATTAINS_Assessment ArcGIS snapshot (gispub.epa.gov) | 2026-08-15 |
| ATTAINS waterway geometry | ATTAINS_Assessment ArcGIS lines + areas (gispub.epa.gov) | 2026-08-16 |
| USGS watershed boundaries | USGS WBD via National Map MapServer | 2026-08-15 |
Records lag their agencies' refresh cycles — a recent change may not appear yet. Absence from a dataset is absence of a record, never evidence that water is clean.
Also in the Rocky basin
Go deeper
Search an address near Coddle Creek, Including Water Supply Reservoir For Concord) to see how it connects — what drains toward it, monitoring-station samples, and permitted operations in its watershed.
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