MADDOCK CITY OF
PWS ID: ND0300587 · MADDOCK, North Dakota 58348
MADDOCK CITY OF serves 382 people in MADDOCK, North Dakota using Groundwater water sources. It has 21 recorded EPA violations, including 21 health-based violations. No PFAS contamination was detected in UCMR5 testing.
Water Quality Snapshot: MADDOCK CITY OF
MADDOCK CITY OF is a local-owned community water system that delivers drinking water to 382 residents in MADDOCK, North Dakota (Benson County) through 250 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 21 total violations for this system , of which 21 (100%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. The most recent violation on record dates to 2005.
The most frequently cited contaminant at this system is TTHM, recorded in 12 violations (MCL, health-based). 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. MADDOCK CITY OF's 21 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
- 250
- County
- Benson
- School/Daycare
- No
- MCL Violations
- 20
- Monitoring Violations
- 0
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 12 | 2005 |
| Total Haloacetic Acids (HAA5) | MCL | 8 | 2005 |
| Lead and Copper Rule | TT | 1 | 1994 |
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 MADDOCK 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 ND0300587 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 |
|---|---|---|---|---|
| 2005 | TTHM | MCL | 12 | SDWIS / ND0300587 / 2950 |
| 2005 | Total Haloacetic Acids (HAA5) | MCL | 8 | SDWIS / ND0300587 / 2456 |
| 1994 | Lead and Copper Rule | TT | 1 | SDWIS / ND0300587 / 5000 |
How MADDOCK CITY OF Compares
Cross-reference this system's record against state averages and the federal MCL framework for context.
| Metric | MADDOCK CITY OF | North Dakota avg | Federal benchmark |
|---|---|---|---|
| Total violations | 21 | 37 | SDWA compliance — any non-zero count is a recorded breach |
| Health-based violations | 21 | 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 | 382 | 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
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Related Data for North Dakota
Read our methodology — how this data is sourced, computed, and verified.