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Community Water System · PWS NC0158010

Mars Hill, Town Of

Operator location Mars Hill, North Carolina - upper-third violation load (> 74 violations) with 320 EPA violations; surface water source; 3,030 served (PWS-level, not municipal population).

3,030
People served (this PWS)
320
EPA violations (this PWS)
47
Health-based (this PWS)
Untested
UCMR5 (this PWS)
Follow published updates (RSS)

Mars Hill, Town Of standing, high SDWIS violation third

320 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 15% is middle-third health share (≤ 23%). Population rank #10,524 of 29,740 among systems serving 500+.

The verdict

Mars Hill, Town Of sits in the upper third of the sitemap cohort by violation count (320), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 3,030 (mid served population (≤ 3,309)). Health-based share is 15% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.

#10,524 of 29,740
Population · /systems
#297 of 713
Population · NC
320
Total EPA violations on record
15%
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
1,193
County
Madison
School/Daycare
No
MCL Violations
14
Monitoring Violations
241
Treatment Tech Violations
33

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 14 1992
Surface Water Treatment Rule TT 14 2005
CARBON, TOTAL TT 14 2008
Arsenic MR 12 1991
Nitrate MR 10 2002
Coliform (TCR) MR 9 2004
Total Haloacetic Acids (HAA5) MR 9 2007
Public Notice Other 9 2009
TTHM MR 9 2007
Toxaphene MR 8 2005
Barium MR 7 1991
Chromium MR 7 1991
Mercury MR 7 1991
Fluoride MR 7 1991
Chlorine MR 7 2005
BHC-GAMMA MR 7 2005
Selenium MR 7 1991
Cadmium MR 7 1991
Lead and Copper Rule TT 5 1994
Methoxychlor MR 5 2005
Dalapon MR 5 2005
Di(2-ethylhexyl) adipate MR 5 2005
Simazine MR 5 2005
Dinoseb MR 5 2005
Hexachlorocyclopentadiene MR 5 2005
Carbofuran MR 5 2005
Heptachlor MR 5 2005
Heptachlor epoxide MR 5 2005
Benzo(a)pyrene MR 5 2005
1,2-DIBROMO-3-CHLOROPROPANE MR 5 2005

Violation Count vs. the National Corpus

Mars Hill, Town Of has 320 recorded EPA violations, 92% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 8% carry more. 15% of this system's own violations are health-based (47 of 320), and it ranks #10,524 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)

320 Higher than most more violations than 92% 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 Mars Hill, Town Of

320 violations on record for NC0158010; use EPA SDWIS to confirm return-to-compliance dates and monitoring categories.

Sources: EPA SDWIS · North Carolina DEQ, Public Water Supply Section

Nationwide peers

320 violations · 3,030 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.

4 peers

Cross-state systems near this population served

Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).

4 peers

What to do with Mars Hill, Town Of

Use this system's EPA-reported record as a starting filter, not a final verdict.

EPA SDWIS and UCMR5 figures are informational only, not a substitute for a certified lab test of your own tap water.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater