Is Sandy Hollow-Escondidas, TX tap water safe?
The short answer
2 of the 3 utilities serving Sandy Hollow-Escondidas have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Texas’s records: Nueces County WCID 3 and Nueces WSC.
Nueces County WCID 3, which serves the most people here, has 2 results above the legal limit, 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Arsenic at 10.8 ppb, above the legal limit.
A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Sandy Hollow-Escondidas’s ZIP codes, from EPA’s estimates.
- Open report
Nueces County WCID 3
Texas · serves 14,000 people · under 100 in Sandy Hollow-Escondidas
2 results above the legal limit, 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Arsenic at 10.8 ppb, above the legal limit.
13 health-based violations since 2016
- Open report
Lake Vista Utility
Texas · serves 834 people · under 100 in Sandy Hollow-Escondidas
1 result above the limit’s level with no violation recorded and 1 result above the health goal. The worst: Arsenic at 11.6 ppb, above the limit’s level, no violation.
No health-based violations since 2016
- Open report
Nueces WSC
Texas · serves 3,165 people · under 100 in Sandy Hollow-Escondidas
1 result above the health goal. The worst: Lead at 0.56 ppb, above the health goal.
3 health-based violations since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Nueces County WCID 3’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: Arsenic, Total trihalomethanes (TTHM), Lead
Aquasana SmartFlow Reverse Osmosis (AQ-SFRO2)
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Arsenic, Total trihalomethanes (TTHM), Lead
Brondell Capella RC250 Reverse Osmosis System
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Arsenic, Total trihalomethanes (TTHM), Lead
Water testing near Sandy Hollow-Escondidas
The lab Texas certifies closest to Sandy Hollow-Escondidas, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Corpus Christi -Nueces County Public Health District Laboratory
Corpus Christi, TX · about 28 miles
Certified for bacteria
Texas Well Owner Network, Texas A&M AgriLife Extension: Well Informed screening events, where well owners bring in water samples to be screened for common contaminants, followed by an hour-long session explaining the results. Upcoming events are on the network's calendar. Trainings, Texas Well Owner Network.
All 80 certified labs for TexasWhich ZIP codes are in Sandy Hollow-Escondidas: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: TCEQ, drinking water laboratories approved for public water system samples; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Sandy Hollow-Escondidas
Towns nearby with a page of their own.
What to do next
- Read Nueces County WCID 3’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for ArsenicRanked by certification and what they cost over five years.The best reverse osmosis systems, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water