Community Water System · PWS TN0000604
St Joseph Water System
Operator location St. Joseph, Tennessee - upper-third violation load (> 74 violations) with 135 EPA violations; surface water source; 1,533 served (PWS-level, not municipal population).
- 1,533
- People served (this PWS)
- 135
- EPA violations (this PWS)
- 5
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
St Joseph Water System standing, high SDWIS violation third
135 EPA SDWIS violations on record - upper-third violation load (> 74 violations). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 4% is middle-third health share (≤ 23%). Population rank #15,682 of 29,740 among systems serving 500+.
The verdict
St Joseph Water System sits in the upper third of the sitemap cohort by violation count (135), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 1,533 (mid served population (≤ 3,309)). Health-based share is 4% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.
- #15,682 of 29,740
- Population · /systems
- #350 of 436
- Population · TN
- 135
- Total EPA violations on record
- 4%
- 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
- 572
- County
- Lawrence
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 85
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Interim Enhanced Surface Water Treatment Rule | MR | 20 | 2005 |
| Public Notice | Other | 17 | 2022 |
| Interim Enhanced Surface Water Treatment Rule | Other | 14 | 2020 |
| Revised Total Coliform Rule | MON | 14 | 2025 |
| Chlorine | MR | 13 | 2025 |
| Consumer Confidence Rule | Other | 9 | 2023 |
| Coliform (TCR) | MR | 9 | 2015 |
| Lead and Copper Rule | MR | 8 | 2023 |
| Total Haloacetic Acids (HAA5) | MR | 6 | 2015 |
| TTHM | MR | 6 | 2015 |
| CARBON, TOTAL | MR | 5 | 2017 |
| Lead and Copper Rule | TT | 4 | 1994 |
| Fluoride | MR | 1 | 1979 |
| Carbofuran | MR | 1 | 1999 |
| LASSO | MR | 1 | 1999 |
| Atrazine | MR | 1 | 1999 |
| Fluoride | MCL | 1 | 1982 |
Violation Count vs. the National Corpus
St Joseph Water System has 135 recorded EPA violations, 79% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 21% carry more. 4% of this system's own violations are health-based (5 of 135), and it ranks #15,682 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)
135 Higher than most more violations than 79% 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
SDWIS compliance record for St Joseph Water System
135 violations on record for TN0000604; use EPA SDWIS to confirm return-to-compliance dates and monitoring categories.
Sources: EPA SDWIS · Tennessee Department of Environment & Conservation, Drinking Water
Nationwide peers
135 violations · 1,533 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 St Joseph Water System
Use this system's EPA-reported record as a starting filter, not a final verdict.
- See how every tracked system in Tennessee compares on the same EPA violation measures. Tennessee 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.