Non-Transient Non-Community Water System · PWS TN0000270
Great Smoky Mtns National Park Hq
Operator location Gatlinburg, Tennessee - lower-third violation load (≤ 21 violations) with 21 EPA violations; groundwater source; 3,125 served (PWS-level, not municipal population).
- 3,125
- People served (this PWS)
- 21
- EPA violations (this PWS)
- 4
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Great Smoky Mtns National Park Hq standing, low SDWIS violation third
21 EPA SDWIS violations on record - lower-third violation load (≤ 21 violations). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 19% is middle-third health share (≤ 23%). Population rank #10,322 of 29,740 among systems serving 500+.
The verdict
Great Smoky Mtns National Park Hq is in the lower third by violation count (21; lower-third violation load (≤ 21 violations)). A low count does not mean the system is unmonitored - monitoring and reporting violations still appear in SDWIS. Population served is mid-pack at 3,125 (mid served population (≤ 3,309)). Health-based share is 19% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.
- #10,322 of 29,740
- Population · /systems
- #289 of 436
- Population · TN
- 21
- Total EPA violations on record
- 19%
- 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
- Non-Transient Non-Community
- Owner Type
- Federal
- Connections
- 20
- County
- Sevier
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 11
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 4 | 2009 |
| Coliform (TCR) | MR | 3 | 2002 |
| Arsenic | MR | 1 | 1985 |
| Chromium | MR | 1 | 1985 |
| Mercury | MR | 1 | 1985 |
| Nitrate | MR | 1 | 1985 |
| Barium | MR | 1 | 1985 |
| Fluoride | MR | 1 | 1985 |
| Cadmium | MR | 1 | 1985 |
| Selenium | MR | 1 | 1985 |
Violation Count vs. the National Corpus
Great Smoky Mtns National Park Hq has 21 recorded EPA violations, 33% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 66% carry more. 19% of this system's own violations are health-based (4 of 21), and it ranks #10,322 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)
21 Lower than most fewer violations than 66% 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 Great Smoky Mtns National Park Hq
21 violations on record for TN0000270; use EPA SDWIS to confirm return-to-compliance dates and monitoring categories.
Sources: EPA SDWIS · Tennessee Department of Environment & Conservation, Drinking Water
Nationwide peers
21 violations · 3,125 served: nearest cross-state SDWIS matches.
Cross-state systems with similarly light violation ledgers
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 Great Smoky Mtns National Park Hq
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.