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Non-Transient Non-Community Water System · PWS NC0241529

Southern High School

Operator location Greensboro, North Carolina - 17% of 24 violations are health-based (middle-third health share (≤ 23%)); groundwater source; 1,034 served per SDWIS.

1,034
People served (this PWS)
24
EPA violations (this PWS)
4
Health-based (this PWS)
Untested
UCMR5 (this PWS)
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Southern High School standing, mid SDWIS violation third

17% of 24 recorded violations are health-based - middle-third health share (≤ 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 17% is middle-third health share (≤ 23%). Population rank #19,130 of 29,740 among systems serving 500+.

The verdict

Southern High School lands in the middle third by violation volume (24), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is mid-pack at 1,034 (mid served population (≤ 3,309)). Health-based share is 17% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.

#19,130 of 29,740
Population · /systems
#469 of 713
Population · NC
24
Total EPA violations on record
17%
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
Local
Connections
5
County
Guilford
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
20
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 7 2000
TTHM MR 5 2016
Total Haloacetic Acids (HAA5) MR 5 2016
Lead and Copper Rule TT 4 1994
Chlorine MR 3 2004

Violation Count vs. the National Corpus

Southern High School has 24 recorded EPA violations, 36% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 63% carry more. 17% of this system's own violations are health-based (4 of 24), and it ranks #19,130 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)

24 Lower than most fewer violations than 63% 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

Health-based violations on Southern High School

4 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for NC0241529.

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

Nationwide peers

24 violations · 1,034 served: nearest cross-state SDWIS matches.

What to do with Southern High School

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