Community Water System · PWS TX0310009
City of Santa Rosa
Operator location Santa Rosa, Texas - 44% of 353 violations are health-based (upper-third health share (> 23%)); surface water source; 2,883 served per SDWIS.
- 2,883
- People served (this PWS) Middle third of systems
- 353
- EPA violations (this PWS) Upper third of systems
- 155
- Health-based (this PWS) Upper third by health-based share
- Untested
- UCMR5 (this PWS) No UCMR5 result
City of Santa Rosa standing, high SDWIS violation third
44% of 353 recorded violations are health-based - upper-third health share (> 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 44% is upper-third health share (> 23%). Population rank #10,935 of 29,740 among systems serving 500+.
The verdict
City of Santa Rosa sits in the upper third of the sitemap cohort by violation count (353), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 2,883 (mid served population (≤ 3,309)). Health-based share is 44% - most of this ledger is MCL or treatment-technique exceedance. No UCMR5 PFAS test appears for this system in this extract.
- #10,935 of 29,740
- Population · /systems
- #1,324 of 3,040
- Population · TX
- 353
- Total EPA violations on record
- 44%
- Health-based (MCL / treatment failure)
Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.
Based on EPA SDWIS violation history and UCMR5 PFAS testing only, not water taste, odor, infrastructure age, or contaminants outside the federally tracked set.
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 787
- County
- Cameron
- School/Daycare
- No
- MCL Violations
- 152
- Monitoring Violations
- 132
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 103 | 2025 |
| Interim Enhanced Surface Water Treatment Rule | MR | 68 | 2017 |
| Total Haloacetic Acids (HAA5) | MCL | 44 | 2006 |
| Public Notice | Other | 22 | 2025 |
| Lead and Copper Rule | MR | 22 | 2024 |
| Consumer Confidence Rule | Other | 21 | 2022 |
| TTHM | MR | 11 | 2025 |
| Chlorite | MR | 9 | 2018 |
| Chlorine dioxide | MR | 8 | 2018 |
| Total Haloacetic Acids (HAA5) | MR | 8 | 2020 |
| Coliform (TCR) | MR | 6 | 2010 |
| Chlorite | MCL | 4 | 2019 |
| LEAD AND COPPER RULE REVISIONS | RPT | 3 | 2024 |
| LEAD AND COPPER RULE REVISIONS | TT | 3 | 2024 |
| Coliform (TCR) | MCL | 1 | 1991 |
Violation Count vs. the National Corpus
City of Santa Rosa has 353 recorded EPA violations, 93% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 7% carry more. 44% of this system's own violations are health-based (155 of 353), and it ranks #10,935 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)
353 Higher than most more violations than 93% 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
How many violations vs. how serious, among peer systems
City of Santa Rosa plotted against 29 peer public water systems (500+ people served), by total violation count (x) and the share of those violations that are health-based (y). The crosshair sits at this sample's own median on each axis. A high violation count does not automatically mean a serious record: most monitoring and reporting violations are minor, not health-based.
Violation volume vs. health-based share
Health-based violations on City of Santa Rosa
155 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for TX0310009.
Sources: EPA SDWIS · Texas Commission on Environmental Quality (TCEQ) - Drinking Water Watch
Nationwide peers
353 violations · 2,883 served: nearest cross-state SDWIS matches.
Cross-state systems with comparable violation load
Nearest cross-state community systems (500+ served) by total SDWIS violations on record.
Cross-state systems near this population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).
What to do with City of Santa Rosa
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.
Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.