SENTINEL BUTTE CITY OF
PWS ID: ND1700870 · SENTINEL BUTTE, North Dakota 58654
SENTINEL BUTTE CITY OF serves 56 people in SENTINEL BUTTE, North Dakota using Surface Water water sources. It has 24 recorded EPA violations, including 5 health-based violations. No PFAS contamination was detected in UCMR5 testing.
Water Quality Snapshot: SENTINEL BUTTE CITY OF
SENTINEL BUTTE CITY OF is a local-owned community water system that delivers drinking water to 56 residents in SENTINEL BUTTE, North Dakota (Golden Valley County) through 41 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 24 total violations for this system , of which 5 (21%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 3 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.
The most frequently cited contaminant at this system is Consumer Confidence Rule, recorded in 8 violations (Other). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.
Across North Dakota, EPA tracks 368 public water systems serving 712,349 people, with 13,624 cumulative violations and 2,673 health-based violations on record. About 94% of systems in the state carry at least one violation, and state-wide the average per system is 37 violations. SENTINEL BUTTE CITY OF's 24 violations sit below the North Dakota average. Statewide, 34 of 38 UCMR5-tested systems have reported PFAS detections (89.5%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 41
- County
- Golden Valley
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 3
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Consumer Confidence Rule | Other | 8 | 2019 |
| Coliform (TCR) | MCL | 4 | 1993 |
| Coliform (TCR) | MR | 2 | 1991 |
| Fluoride | MCL | 1 | 1983 |
| Lead and Copper Rule | MR | 1 | 2017 |
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 SENTINEL BUTTE CITY OF.
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 ND1700870 on SDWISSource: EPA SDWIS Federal Reports Search
North Dakota Drinking Water Authority
North 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 ND regulator via EPA SDWISViolation 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 |
|---|---|---|---|---|
| 2019 | Consumer Confidence Rule | Other | 8 | SDWIS / ND1700870 / 7000 |
| 2017 | Lead and Copper Rule | MR | 1 | SDWIS / ND1700870 / 5000 |
| 1993 | Coliform (TCR) | MCL | 4 | SDWIS / ND1700870 / 3100 |
| 1991 | Coliform (TCR) | MR | 2 | SDWIS / ND1700870 / 3100 |
| 1983 | Fluoride | MCL | 1 | SDWIS / ND1700870 / 1025 |
How SENTINEL BUTTE CITY OF Compares
Cross-reference this system's record against state averages and the federal MCL framework for context.
| Metric | SENTINEL BUTTE CITY OF | North Dakota avg | Federal benchmark |
|---|---|---|---|
| Total violations | 24 | 37 | SDWA compliance — any non-zero count is a recorded breach |
| Health-based violations | 5 | 7.3 | Indicates a contaminant exceeded a federal MCL |
| PFAS detection | None | 89.5% | EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt |
| Population served | 56 | 1,936 | Sizing context for compliance burden |
Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 368 regulated public water systems in North 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 |
| Nitrate (as N) | 10 mg/L | Acute health risk for infants |
Frequently Asked Questions
Is SENTINEL BUTTE CITY OF water safe to drink? ▼
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Related Data for North Dakota
Read our methodology — how this data is sourced, computed, and verified.