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
Hidalgo County
hidalgo-county
Hidalgo 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 Hidalgo County
Composite operating context — active hazards, hydrologic features, surface-water condition, and infrastructure footprint — pulled from cached snapshots only.
Hydrology features
4 TWDB features
GULF_COAST · Nueces-Rio Grande · Rio Grande · South Laguna Madre
1 Major Aquifers · 2 Major River Basins · 1 HUC 8 Hydrologic Units
Surface water condition
2 impaired / 5 segments
40% of cached TCEQ surface segments in this county carry at least one impairment flag.
Basin: Bays and Estuaries, Nueces-Rio Grande Coastal Basin
Drinking-water exposure
34 SDWIS violations
9 public water systems with cached health-based violations since 2023-04-01. 348,846 people served by those systems.
Top PWS: LAZY PALMS RANCH (20 viol.) · Top contaminant code: 1040
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
3 microbial violations
2 PWSes carry SDWIS rule-group 100 (microbial) violations — the same rule that triggers Texas boil-water advisories. 20 of those are Tier 1 (24-hour public notice).
Top PWS: AQUA PLANET WATER PARK (2 viol.) · Latest: 2025-03-01
Treatment stress · E2 disinfectant
7 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: MILITARY HWY WSC LAS RUSIAS (3 viol.) · Top contaminant code: 2950 · Latest: 2025-10-01
Impaired surface segments in this county
- Donna ReservoirNueces-Rio Grande Coastal Basin · fish consumption
- North FloodwayBays and Estuaries · contact recreation
Impairment is a legal-use-support classification, not a direct harm claim.
Mismatch signals
Score: 18
- • surface-water impairment is present with no active hazard alerts in the cached feed
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.
- • Surface-water segments: 5 (2 impaired)