Community Water System · PWS TX1820010
Santo Sud
Operator location Santo, Texas - larger served population (> 3,309) at 3,546 people served; 38 SDWIS violations on record from surface water sources.
- 3,546
- People served (this PWS)
- 38
- EPA violations (this PWS)
- 5
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Santo Sud standing, mid SDWIS violation third
3,546 people served (SDWIS) - larger served population (> 3,309). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 13% is middle-third health share (≤ 23%). Population rank #9,528 of 29,740 among systems serving 500+.
The verdict
Santo Sud lands in the middle third by violation volume (38), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is large (3,546; larger served population (> 3,309)), so household exposure scale sits behind the violation mix. Health-based share is 13% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.
- #9,528 of 29,740
- Population · /systems
- #1,134 of 3,040
- Population · TX
- 38
- Total EPA violations on record
- 13%
- Health-based (MCL / treatment failure)
Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 1,182
- County
- Palo Pinto
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 13
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 11 | 2025 |
| Consumer Confidence Rule | Other | 4 | 2024 |
| TTHM | MCL | 4 | 2017 |
| Coliform (TCR) | MR | 2 | 1991 |
| Public Notice | Other | 2 | 2022 |
| Coliform (TCR) | Other | 1 | 1993 |
| Coliform (TCR) | MCL | 1 | 1993 |
Violation Count vs. the National Corpus
Santo Sud has 38 recorded EPA violations, 49% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 50% carry more. 13% of this system's own violations are health-based (5 of 38), and it ranks #9,528 of 29,740 by population served among that same cohort.
EPA violations vs. the national water-system corpus
Public water systems serving 500+ people (EPA SDWIS)
38 Lower than most fewer violations than 50% of 29,740 water systems
the national water-system corpus, bucketed by value
Each bar is a band; taller bars hold more water systems. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source EPA SDWIS · 2026-05-15
Population served record for Santo Sud
EPA SDWIS lists 3,546 people served and 1,182 connections for this PWS, confirm the service-area footprint on the federal report before comparing to municipal census totals.
Sources: EPA SDWIS · Texas Commission on Environmental Quality (TCEQ) - Drinking Water Watch
Nationwide peers
38 violations · 3,546 served: nearest cross-state SDWIS matches.
Cross-state systems near this violation count
Nearest cross-state community systems (500+ served) by total SDWIS violations on record.
Cross-state systems with similar served population
Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).
What to do with Santo Sud
Use this system's EPA-reported record as a starting filter, not a final verdict.
- See how every tracked system in Texas compares on the same EPA violation measures. Texas systems
- Check whether PFAS was detected at this system under UCMR5 testing. PFAS guide
- Find and compare another public water system by name or PWSID. Search systems
EPA SDWIS and UCMR5 figures are informational only, not a substitute for a certified lab test of your own tap water.