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EPA SDWIS High-volume analyte

2,4-D in Drinking Water

9,509 public water systems carry at least one 2,4-D violation - wide footprint (> 8,691 systems).

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EPA contaminant code: 2105

Total Violations
49,369
Systems Affected
9,509
Health-Based %
0%
Violations / System
5.2

2,4-D standing, high-volume SDWIS third

2,4-D sits in the upper third of this extract by raw violation count (49,369), so the national record is thick enough that system-level lists below are a sample of a much larger compliance trail rather than a near-complete inventory. Load sits mid-pack at 5.2 violations per affected system (mid load (≤ 5.8 violations per affected system)). None of the recorded 2,4-D violations in this extract are classified health-based; the trail is procedural. Among 157 indexable contaminants, this page is #51 by violation volume. Utilities listed below are ranked by cumulative violation count for this analyte; pair that with population served to gauge household exposure scale.

Nationwide similar contaminants

Nearest by violation volume

LASSO (49,306) Chromium (49,133) Mercury (49,728) Simazine (48,645)

Nearest by systems affected

2,4,5-TP (9,528 systems) Toxaphene (9,474 systems) Atrazine (9,462 systems) Endrin (9,348 systems)

2,4-D: monitoring/reporting trail

0% health-based · 100.0% monitoring/reporting across 49,369 records.

Health-based (0%) Monitoring/Reporting (100.0%)

Most Affected Water Systems

System State Violations Population
Pinnacle Water Association WV 188 85
Salem Heights Estate PA 156 62
Coal Mountain Water WV 149 80
Congregation Ohr Menachem PA 148 30
Skyview Estates IL 124 56
Prague OK 111 2,395
Frankfort Psd WV 100 6,747
27 Maple Drive CT 88 38
Aqua PA Sun Valley PA 80 120
Neshaminy Manor Center PA 77 2,100
Springhill Park Subdivision MT 72 90
Christ Mission Lutheran Church IL 70 150
PA American Audubon PA 70 8,200
Nwwa Warrington Township PA 68 21,588
Willow Springs MHP IN 67 25
Helena RV and Mobile Home Park MT 66 250
Paradise Stream Resor PA 65 774
Oilton OK 64 1,435
Bridge Creek School OK 64 800
Seneca Trail Christian Academy WV 64 100
Malta City Of MT 63 1,800
Congregation Beth Judea IL 62 25
Save a Pet IL 61 50
Ambler Boro Water Dept PA 60 20,000
Indian Creek Valley Water Auth PA 58 7,000
Taleem Ul Haq IL 56 100
Roamingwood Sewer and Water PA 56 3,775
Tooele City Water System UT 56 37,100
Plymouth Community Church IN 53 90
Pbc Linear IL 52 140

Context: understanding water quality data · is my water safe?

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

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the EPA Safe Drinking Water Information System (SDWIS). Consult a qualified professional before making decisions based on this data.

Read our methodology - how this data is sourced, computed, and verified.

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.