Question 1

Is Fall River Wud water safe to drink?

Accepted Answer

Fall River Wud (PWS ID: SD4602201) has 135 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. EPA SDWIS lists this system's service population as 1,057 people using Groundwater sources.

Question 2

How many people does Fall River Wud serve?

Accepted Answer

EPA SDWIS reports that Fall River Wud serves 1,057 people (this public water system's service population, not the municipal population of Oral or any other city). It is a Local-owned system using Groundwater water sources with 423 service connections. The operator address is listed in Oral, South Dakota.

Question 3

What type of violations does Fall River Wud have?

Accepted Answer

Fall River Wud has 135 total violations: 6 health-based violations (MCL exceedances or treatment failures), 128 monitoring/reporting violations, and 6 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Question 4

Has PFAS been detected in Fall River Wud water?

Accepted Answer

No PFAS testing data is available for Fall River Wud under the EPA's UCMR5 monitoring program.

Question 5

What water source does Fall River Wud use?

Accepted Answer

Fall River Wud uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.

Question 6

Where does this data come from?

Accepted Answer

All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

Question 7

Where does Fall River Wud sit among U.S. public water systems?

Accepted Answer

According to EPA SDWIS population_served among sitemap-advertised systems (serving 500+), Fall River Wud ranks #18,930 of 29,740 by people served, and #100 of 171 in South Dakota. Ordinals use population_served DESC among systems serving 500+ (the sitemap cohort). See /methodology#corpus-placement.

Question 8

How does Fall River Wud's violation count compare nationally?

Accepted Answer

Fall River Wud has 135 recorded EPA SDWIS violations, fewer than 21% of the 29,740 public water systems serving 500 or more people nationwide (the same sitemap cohort used for the corpus-placement ranking above). 79% of that cohort has fewer violations than Fall River Wud. A system can have zero recorded violations and still be actively monitored, and a high violation count often reflects a system that reports thoroughly, not necessarily one with worse water.

Contaminant	Category	Count	Latest
Chlorine	MR	13	2022
Revised Total Coliform Rule	MON	12	2024
Stage 1 Disinfectants and Disinfection Byproducts Rule	TT	6	2017
Coliform (TCR)	MR	3	2009
cis-1,2-Dichloroethylene	MR	2	2014
1,1,1-Trichloroethane	MR	2	2014
Tetrachloroethylene	MR	2	2014
1,2,4-Trichlorobenzene	MR	2	2014
1,1,2-Trichloroethane	MR	2	2014
Xylenes, Total	MR	2	2014
1,1-Dichloroethylene	MR	2	2014
Carbon tetrachloride	MR	2	2014
CHLOROBENZENE	MR	2	2014
Styrene	MR	2	2014
trans-1,2-Dichloroethylene	MR	2	2014
Benzene	MR	2	2014
p-Dichlorobenzene	MR	2	2014
Trichloroethylene	MR	2	2014
Toluene	MR	2	2014
Diquat	MR	2	2014
Glyphosate	MR	2	2014
Heptachlor	MR	2	2014
Heptachlor epoxide	MR	2	2014
Atrazine	MR	2	2014
Di(2-ethylhexyl) adipate	MR	2	2014
Di(2-ethylhexyl) phthalate	MR	2	2014
Endrin	MR	2	2014
HEXACHLOROBENZENE	MR	2	2014
BHC-GAMMA	MR	2	2014
Toxaphene	MR	2	2014

Fall River Wud

Fall River Wud standing, high SDWIS violation third

System Details

Violation History

Violation Count vs. the National Corpus

SDWIS compliance record for Fall River Wud

Nationwide peers

Cross-state systems with comparable violation load

Cross-state systems near this population served