South Chester Water Dist: health-based drinking water violation (total haloacetic acids (haa5)) in Chester, MT
South Chester Water Dist (Chester, Montana): health-based drinking water violation (total haloacetic acids (haa5)) in Chester, MT. Its population served of 55 is below the median of 142 (27th percentile). Dated 127 days ago, it serves as a historical benchmark. Score 60/100. As of 2026-11-04, from U.S. EPA Safe Drinking Water Information System (SDWIS) via Envirofacts and EPA ECHO.
Data as of · Compiled by Zalwin from U.S. EPA Safe Drinking Water Information System (SDWIS) via Envirofacts and EPA ECHO
population served: 55 · 27th percentile of 456 WaterSystemViolationPulse records · 0.4x the median
Free preview: all 12 published fields of this record are shown below. Locked: 10 related MT WaterSystemViolationPulse records and the 6-column CSV export.
| Field | Value |
|---|---|
| Water system | South Chester Water Dist |
| PWSID | MT0000007 |
| System type | Community water system |
| Owner type | Private |
| Population served | 55 |
| Location | Chester, MT |
| Contaminant | Total Haloacetic Acids (HAA5) |
| Rule group | Disinfectants and disinfection byproducts |
| Measured | 0.062 MG/L |
| Compliance period | 2026-07-01 to 2026-09-30 |
| Status | Known, unaddressed |
| Public notice tier | 2 |
| population served percentile | 27th of 456 (median 142, 0.4x median) |
| Peer records CSV (11 MT records) | 🔒 Click to unlock → |
| CRM-ready export with official source URLs | 🔒 Click to unlock → |
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CSV columns: Water system · State · Contaminant / rule · Population · Status · Began · official source URL
- Source agency: U.S. EPA Safe Drinking Water Information System (SDWIS) via Envirofacts and EPA ECHO
- Record date: 2026-07-01
- Data refreshed: 2026-11-04
- Refunds on request within 14 days
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LIVE PUBLIC DATA Source: U.S. EPA Safe Drinking Water Information System (SDWIS) via Envirofacts and EPA ECHO · Last refreshed: Wed, 04 Nov 2026 06:06:47 GMT
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Peer benchmark and outreach value: South Chester Water Dist and 11 Montana peers
- Montana WaterSystemViolationPulse records like this one: 11
- South Chester Water Dist's population served: 27th percentile of 456 records
- Timing: Low: older than 30 days
- Estimated pipeline if you contact every Montana peer: $2,200 (peers × rate × deal size; an estimate from your assumptions, not a forecast)
60 / 100 Score
- Not yet returned to compliance.
- Community water system.
What is the WaterSystemViolationPulse record for South Chester Water Dist in Chester, Montana?
South Chester Water Dist (Chester, MT), a community water system serving 55 people, has a health-based total haloacetic acids (haa5) violation from 2026-07-01; status: known, unaddressed.
How does South Chester Water Dist compare to other Montana WaterSystemViolationPulse records?
Its population served of 55 is below the median (27th percentile); smaller records often move faster and face less competition. It is 127 days old; check the official source for later updates before acting.
South Chester Water Dist vs. top 3 peers
| Organization | Location | Amount | Percentile | Record date |
|---|---|---|---|---|
| South Chester Water Dist | Chester, MT | 55 | 27th | 2026-07-01 |
| Richland Co Valley View Wua | Sidney, MT | 85 | 39th | 2026-07-01 |
| Maple Hill Water District | Maple Hill, NC | 968 | 77th | 2026-07-01 |
| National Institutes Of Health | MD | 1,100 | 83rd | 2026-06-01 |
Related records
WaterSystemViolationPulse: Disinfectants and disinfection byproducts WaterSystemViolationPulse: Community water system WaterSystemViolationPulse: records in Montana
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From EPA SDWIS federal data, which lags state records by up to a quarter. A violation is a regulatory finding about a water system, not a statement about current water quality. Verify with the state drinking water program.