What is Aldicarb in drinking water?

Aldicarb averages 4.8 violations per affected system (15,532 total / 3,231 systems) in the EPA SDWIS extract.

How many water systems have Aldicarb violations?

3,231 systems sit in the mid footprint band (mid footprint (≤ 8,691 systems)).

Are Aldicarb violations dangerous?

In this extract, 0% are health-based. Recorded findings are monitoring/reporting class, not MCL exceedances.

Where does Aldicarb sit in the national contaminant ledger?

#85 of 157 indexable contaminants by violation volume - middle-third volume (≤ 49,133 violations), mid load (≤ 5.8 violations per affected system).

Where does this contaminant data come from?

EPA Safe Drinking Water Information System (SDWIS) quarterly extracts. Counts are cumulative compliance records, not a live risk score for a single tap.

Contaminants →

EPA SDWIS

Aldicarb in Drinking Water

Compiled by PlainWater · May 15, 2026

4.8 violations per affected system (15,532 across 3,231) - mid load (≤ 5.8 violations per affected system).

Browse all SDWIS contaminants →

EPA contaminant code: 2047

Total Violations

15,532

Systems Affected

3,231

Health-Based %

Violations / System

4.8

Aldicarb standing, mid-volume SDWIS third

Aldicarb lands in the middle third by violation volume (15,532), large enough for peer comparisons but not one of the handful of analytes that dominate the fleet-wide SDWIS ledger. Load sits mid-pack at 4.8 violations per affected system (mid load (≤ 5.8 violations per affected system)). None of the recorded Aldicarb violations in this extract are classified health-based; the trail is procedural. Among 157 indexable contaminants, this page is #85 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

Aldicarb sulfoxide (15,488) Aldicarb sulfone (15,483) 2,3,7,8-TCDD (14,181) Asbestos (9,315)

Nearest by systems affected

Radium-226 (3,237 systems) Interim Enhanced Surface Water Treatment Rule (2,920 systems) Radium-228 (3,547 systems) Combined Uranium (4,427 systems)

Aldicarb: monitoring/reporting trail

0% health-based · 100.0% monitoring/reporting across 15,532 records.

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

Most Affected Water Systems

System	State	Violations	Population
Skyview Estates	IL	110	56
27 Maple Drive	CT	88	38
Coxville Water Assn #1	WA	86	26
Lewis River Golf Course	WA	64	300
Taggares Fruit Co	WA	53	152
Manhasset Lakeville WD	NY	52	43,000
Vista del Rio Mobile Home Park	WA	51	352
Criswell Court MHP	IL	50	94
Patton Village West Water System	TX	50	1,457
Turkey Pen MHP	NC	44	229
Albertson WD	NY	44	13,500
Happy Camper RV Park	CO	43	40
PSP Toledo LLC	WA	43	31
Seven Estates	TX	42	189
Pioneer	WA	42	84
Collegeville Trappe Joint Pwd	PA	40	8,470
Winlock Fibre LLC	WA	40	34
Kelley Crest	WA	39	45
Bywater Bay	WA	37	600
Windmill Estates	IL	36	65
Southworth Elementary	WA	36	550
Cornerstone Church	NC	35	80
Estates at Bromley	CO	33	150
Tempo Lake Water Co	WA	33	246
Rha Health Services, LLC	NC	32	363
Ostrom Mushroom Farms	WA	32	100
East Cherry Creek Valley WSD	CO	31	66,130
Seedorf WS	CO	30	38
Virgin Valley Water District	NV	30	26,000
Yandos Apartments	NY	30	48

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.