Active hazard footprint
0 active alerts
No NWS-driven alerts active in the cached water-summary feed. Drought + precipitation context land once those snapshots are committed.
No sewer overflow rows in the 30-day window.
County workspace
Navarro County
navarro-county
Navarro County water profile
County-level water context pulled from the Atlas Texas summary service. Use this as operating context, not a regulatory determination.
0
Active alerts
0
Stream gauges
0
Sewer overflows (30d)
0
General permits
Investigation context
Weather + hydrology context for Navarro County
Composite operating context — active hazards, hydrologic features, surface-water condition, and infrastructure footprint — pulled from cached snapshots only.
Hydrology features
8 TWDB features
CARRIZO · CARRIZO · Brazos · Colorado
3 Major Aquifers · 3 Major River Basins · 4 HUC 8 Hydrologic Units
Surface water condition
7 impaired / 8 segments
88% of cached TCEQ surface segments in this county carry at least one impairment flag.
Basin: Trinity River Basin
Drinking-water exposure
59 SDWIS violations
8 public water systems with cached health-based violations since 2023-04-01. 7,323 people served by those systems.
Top PWS: CITY OF GOODLOW (29 viol.) · Top contaminant code: 2950
Stream gauge coverage
0 active gauges
No active stream gauges in the cached water-summary feed. Hydrologic stress signal lands once gauges fold in.
USGS streamflow anomaly + drought class join in next-up.
Boil-water proxy · microbial rule
No microbial violations cached
No SDWIS rule-group 100 microbial violations cached for this county. Tier-1 boil-water-equivalent events activate this lane when they post.
Treatment stress · E2 disinfectant
52 disinfectant violations
3 PWSes carry SDWIS rule-group 200 (Disinfectants and Disinfection Byproducts Rule) violations — the same rule family that drives E2 disinfectant residual reporting.
Top PWS: CITY OF GOODLOW (28 viol.) · Top contaminant code: 2950 · Latest: 2025-10-01
Impaired surface segments in this county
- Richland-Chambers ReservoirTrinity River Basin · contact recreation
- Cedar CreekTrinity River Basin · aquatic life
- Post Oak CreekTrinity River Basin · contact recreation
- Richland Creek Above Richland-Chambers ReservoirTrinity River Basin · contact recreation
- Upper Trinity RiverTrinity River Basin · contact recreation, fish consumption
- Chambers Creek Above Richland-Chambers ReservoirTrinity River Basin · contact recreation
Impairment is a legal-use-support classification, not a direct harm claim.
Mismatch signals
Score: 56
- • surface-water impairment is present with no active hazard alerts in the cached feed
- • 7 impaired segments without any cached USGS stream gauges — under-monitored surface water
- • 7 impaired segments without any cached active permit pressure — enforcement gap candidate
Active alerts
No active alerts.
Stream gauges
No gauges loaded.
Notes
- • Nearby surface-water impairment context is additive only; it is not a standalone verdict on county-wide harm.
- • NFHL political jurisdictions mapped: 31
- • Surface-water segments: 8 (7 impaired)