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Community Water System · PWS SD4600238

Philip

Philip, South Dakota 57567 - drinking water served from surface water sources to 759 people, tracked in EPA SDWIS and UCMR5.

759
People served
89
EPA violations
70
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 89 drinking-water violations at Philip, 79% of them health-based - above the South Dakota per-system average.

89
Total EPA violations on record
79%
Health-based (MCL / treatment failure)
759
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Philip

Philip is a local-owned community water system that delivers drinking water to 759 residents in Philip, South Dakota (Haakon County) through 480 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 89 total violations for this system , of which 70 (79%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 15 monitoring and reporting violations are on file. The most recent violation on record dates to 2002.

The most frequently cited contaminant at this system is Surface Water Treatment Rule, recorded in 46 violations (TT, health-based). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across South Dakota, EPA tracks 654 public water systems serving 915,901 people, with 56,254 cumulative violations and 8,399 health-based violations on record. About 92% of systems in the state carry at least one violation, and state-wide the average per system is 86 violations. Statewide, 42 of 49 UCMR5-tested systems have reported PFAS detections (85.7%).

Philip's 89 violations sit above the South Dakota average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
759
Total Violations
89
Health-Based Violations
70
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
480
County
Haakon
School/Daycare
No
MCL Violations
24
Monitoring Violations
15
Treatment Tech Violations
46

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule TT 46 2002
Combined Radium (-226 and -228) MCL 15 1995
Coliform (TCR) MR 11 1995
Coliform (TCR) MCL 9 1997
Combined Radium (-226 and -228) MR 1 1976
Gross Alpha, Excl. Radon and U MR 1 1976
Nitrate MR 1 1998
Arsenic MR 1 1979

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 116 samples detected PFAS.

Contaminant Date Result MRL Status
NMeFOSAA 8/12/2024 <6.00 ppt 6.00 ppt Not Detected
PFHxA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 8/12/2024 <5.00 ppt 5.00 ppt Not Detected
PFHpA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeS 8/12/2024 <4.00 ppt 4.00 ppt Not Detected
PFBS 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 8/12/2024 <7.00 ppt 7.00 ppt Not Detected
PFHxS 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 8/12/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 8/12/2024 <4.00 ppt 4.00 ppt Not Detected
PFOA 8/12/2024 <4.00 ppt 4.00 ppt Not Detected
PFDA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFTA 8/12/2024 <8.00 ppt 8.00 ppt Not Detected
PFDoA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 8/12/2024 <2.00 ppt 2.00 ppt Not Detected
PFEESA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpS 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFMPA 8/12/2024 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 8/12/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 8/12/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 8/12/2024 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 8/12/2024 <5.00 ppt 5.00 ppt Not Detected
ADONA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 8/12/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 8/12/2024 <5.00 ppt 5.00 ppt Not Detected
NFDHA 8/12/2024 <20.00 ppt 20.00 ppt Not Detected
PFOA 5/13/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 5/13/2024 <4.00 ppt 4.00 ppt Not Detected
PFNA 5/13/2024 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 5/13/2024 <5.00 ppt 5.00 ppt Not Detected
PFHpA 5/13/2024 <3.00 ppt 3.00 ppt Not Detected
PFDA 5/13/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpS 5/13/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxS 5/13/2024 <3.00 ppt 3.00 ppt Not Detected
PFTA 5/13/2024 <8.00 ppt 8.00 ppt Not Detected
PFMBA 5/13/2024 <3.00 ppt 3.00 ppt Not Detected
PFEESA 5/13/2024 <3.00 ppt 3.00 ppt Not Detected
NFDHA 5/13/2024 <20.00 ppt 20.00 ppt Not Detected
PFPeS 5/13/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeA 5/13/2024 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 5/13/2024 <5.00 ppt 5.00 ppt Not Detected
PFMPA 5/13/2024 <4.00 ppt 4.00 ppt Not Detected
PFTrDA 5/13/2024 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 5/13/2024 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 5/13/2024 <6.00 ppt 6.00 ppt Not Detected
PFBS 5/13/2024 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 5/13/2024 <3.00 ppt 3.00 ppt Not Detected

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Philip.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID SD4600238 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

South Dakota Drinking Water Authority

South Dakota's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find SD regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2002 Surface Water Treatment Rule TT 46 SDWIS / SD4600238 / 0200
1998 Nitrate MR 1 SDWIS / SD4600238 / 1040
1997 Coliform (TCR) MCL 9 SDWIS / SD4600238 / 3100
1995 Combined Radium (-226 and -228) MCL 15 SDWIS / SD4600238 / 4010
1995 Coliform (TCR) MR 11 SDWIS / SD4600238 / 3100
1979 Arsenic MR 1 SDWIS / SD4600238 / 1005
1976 Combined Radium (-226 and -228) MR 1 SDWIS / SD4600238 / 4010
1976 Gross Alpha, Excl. Radon and U MR 1 SDWIS / SD4600238 / 4000

How Philip Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Philip South Dakota avg Federal benchmark
Total violations 89 86 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 70 12.8 Indicates a contaminant exceeded a federal MCL
PFAS detection None 85.7% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 759 1,400 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 654 regulated public water systems in South Dakota.

Federal MCL reference, Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Philip water safe to drink?
Philip (PWS ID: SD4600238) has 89 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 759 people using Surface Water sources.
How many people does Philip serve?
Philip serves 759 people in Philip, South Dakota. It is a Local-owned system using Surface Water water sources with 480 service connections.
What type of violations does Philip have?
Philip has 89 total violations: 70 health-based violations (MCL exceedances or treatment failures), 15 monitoring/reporting violations, and 46 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Philip water?
No. Philip was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Philip use?
Philip uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
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.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from 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.