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Community Water System · PWS SD4600202

Martin

Operator location Martin, South Dakota - upper-third violation load (> 74 violations) with 116 EPA violations; groundwater source; 1,500 served (PWS-level, not municipal population).

1,500
People served (this PWS)
116
EPA violations (this PWS)
19
Health-based (this PWS)
Untested
UCMR5 (this PWS)
Follow published updates (RSS)

Martin standing, high SDWIS violation third

116 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 16% is middle-third health share (≤ 23%). Population rank #16,036 of 29,740 among systems serving 500+.

The verdict

Martin sits in the upper third of the sitemap cohort by violation count (116), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 1,500 (mid served population (≤ 3,309)). Health-based share is 16% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.

#16,036 of 29,740
Population · /systems
#73 of 171
Population · SD
116
Total EPA violations on record
16%
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
460
County
Bennett
School/Daycare
No
MCL Violations
17
Monitoring Violations
90
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 15 1998
Coliform (TCR) MCL 14 1998
Gross Alpha, Excl. Radon and U MR 4 2006
Combined Radium (-226 and -228) MR 4 2006
Combined Uranium MR 3 2006
Arsenic MCL 3 2010
Di(2-ethylhexyl) phthalate MR 2 1993
Hexachlorocyclopentadiene MR 2 1993
Endrin MR 2 1993
HEXACHLOROBENZENE MR 2 1993
BHC-GAMMA MR 2 1993
Simazine MR 2 1993
Aldicarb MR 2 1993
Aldicarb sulfone MR 2 1993
Aldicarb sulfoxide MR 2 1993
Carbofuran MR 2 1993
OXAMYL MR 2 1993
Dinoseb MR 2 1993
2,4,5-TP MR 2 1993
Pentachlorophenol MR 2 1993
2,4-D MR 2 1993
1,2-DIBROMO-3-CHLOROPROPANE MR 2 1993
ETHYLENE DIBROMIDE MR 2 1993
Endothall MR 2 1993
Diquat MR 2 1993
Picloram MR 2 1993
Total Polychlorinated Biphenyls (PCB) MR 2 1993
LASSO MR 2 1993
Heptachlor epoxide MR 2 1993
Dalapon MR 2 1993

Violation Count vs. the National Corpus

Martin has 116 recorded EPA violations, 76% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 24% carry more. 16% of this system's own violations are health-based (19 of 116), and it ranks #16,036 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)

116 Higher than most more violations than 76% 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 Martin

116 violations on record for SD4600202; use EPA SDWIS to confirm return-to-compliance dates and monitoring categories.

Sources: EPA SDWIS

Nationwide peers

116 violations · 1,500 served: nearest cross-state SDWIS matches.

What to do with Martin

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

  • See how every tracked system in South Dakota compares on the same EPA violation measures. South Dakota 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.

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