- [Home](/) › - [WaterSystemViolationPulse](/v/watersystemviolationpulse) › - [Hubs](/hub/watersystemviolationpulse) › - Microbial (coliform, E. coli, treatment technique) # WaterSystemViolationPulse: Microbial (coliform, E. coli, treatment technique) **410 waterSystemViolationPulse: Microbial (coliform, E. coli, treatment technique) are listed from U.S. EPA Safe Drinking Water Information System (SDWIS) via Envirofacts and EPA ECHO, dated 2026-05-02 to 2026-08-18; the most frequent is Hopi High School - Bia with 14. Data last updated 2026-11-03; each record links to its official source and a full report.** Data as of 2026-11-03 · [Compiled by Zalwin](/research/watersystemviolationpulse) from U.S. EPA Safe Drinking Water Information System (SDWIS) via Envirofacts and EPA ECHO Copy citation Download all 410 waterSystemViolationPulse: Microbial (coliform, E. coli, treatment technique) (CSV) — $4.99 → Includes: Water system, State, Contaminant / rule, Population, Status, Began, official source URL and score · Card, Apple Pay, Google Pay or Link via Stripe [Free sample: 3 records (CSV)](/v1/verticals/watersystemviolationpulse/records.csv?rule=100) 410 records from U.S. EPA Safe Drinking Water Information System (SDWIS) via Envirofacts and EPA ECHO, dated 2026-05-02 to 2026-08-18. Most frequent: Hopi High School - Bia (14). Each record links to a full report and the official source. Last updated 2026-11-03. Source: U.S. EPA Safe Drinking Water Information System (SDWIS) via Envirofacts and EPA ECHO. **Search, filter and export WaterSystemViolationPulse records** [Run instant live search with these filters](/v/watersystemviolationpulse?rule=100&channel=pseo#vt-out) [Download free 3-row sample CSV](/v1/verticals/watersystemviolationpulse/records.csv?rule=100) Unlock the full CSV for these filters — $4.99 → ✓ Read-only, live public data · Key and unlock right after payment · Card, Apple Pay, Google Pay or Link via Stripe · Refunds on request within 14 days ## Get new WaterSystemViolationPulse records by email (free, weekly) We email one confirmation link now; the weekly digest starts only after you confirm. One-click unsubscribe in every email. Double opt-in: nothing is sent until you click the confirmation link. One-click unsubscribe. [See this week's digest](/digest/watersystemviolationpulse) Records 410 Most frequent - Hopi High School - Bia (14) - Deming Municipal Water System (7) - Town Of Kentwood Water System (7) - United Water System (6) - Hawley Lake Homes (5) ## How do I get new waterSystemViolationPulse: Microbial (coliform, E. coli, treatment technique) by email? Search, filter and export these records, or get alerts when new ones appear. [Search and filter](/v/watersystemviolationpulse?rule=100) [Watch this exact filter](/v/watersystemviolationpulse?rule=100#more-ways) [See alert plans](/v/watersystemviolationpulse#pricing) ## What are the top waterSystemViolationPulse: Microbial (coliform, E. coli, treatment technique) right now? | Record | State | Contaminant / rule | Population | |---|---|---|---| | City Of Pontchatoula Water System | LA | Groundwater Rule | 6657 | | City Of Pontchatoula Water System | LA | Groundwater Rule | 6657 | | City Of Pontchatoula Water System | LA | Groundwater Rule | 6657 | | Valley Falls Psd | WV | Long Term 2 Enhanced Surface Water Treatment Rule | 4042 | | United Water System | LA | Groundwater Rule | 4446 | | United Water System | LA | Groundwater Rule | 4446 | | United Water System | LA | Groundwater Rule | 4446 | | United Water System | LA | Groundwater Rule | 4446 | | United Water System | LA | Groundwater Rule | 4446 | | United Water System | LA | Groundwater Rule | 4446 | | Duquesne Water Dept | PA | Groundwater Rule | 5565 | | Colyell Community Water | LA | Groundwater Rule | 4544 | | Polacca | AZ | Groundwater Rule | 3890 | | Polacca | AZ | Groundwater Rule | 3890 | | Polacca | AZ | Groundwater Rule | 3890 | | Polacca | Included in the full CSV with every column 🔒 Unlock all 410 records → | | Spring Valley Water Authority | Included in the full CSV with every column 🔒 Unlock all 410 records → | | Preston City Of | Included in the full CSV with every column 🔒 Unlock all 410 records → | Browse 35 more matching record reports - [Polacca](/report/watersystemviolationpulse/polacca-first-mesa-consolidated-villag-az--sdwis-090400106-0400106450700620263) - [Spring Valley Water Authority](/report/watersystemviolationpulse/spring-valley-water-authority-tuscumbia-al--sdwis-al0000329-37997) - [Preston City Of](/report/watersystemviolationpulse/preston-city-of-id--sdwis-id6210014-4741) - [Tangipahoa Parish Water District](/report/watersystemviolationpulse/tangipahoa-parish-water-district-la--sdwis-la1105008-9007771) - [Tangipahoa Parish Water District](/report/watersystemviolationpulse/tangipahoa-parish-water-district-la--sdwis-la1105008-9007772) - [Tangipahoa Parish Water District](/report/watersystemviolationpulse/tangipahoa-parish-water-district-la--sdwis-la1105008-9007773) - [Tangipahoa Parish Water District](/report/watersystemviolationpulse/tangipahoa-parish-water-district-la--sdwis-la1105008-9007774) - [Pinehill Waterworks District](/report/watersystemviolationpulse/pinehill-waterworks-district-la--sdwis-la1017027-7004493) - [Deming Municipal Water System](/report/watersystemviolationpulse/deming-municipal-water-system-deming-nm--sdwis-nm3528616-39930) - [Deming Municipal Water System](/report/watersystemviolationpulse/deming-municipal-water-system-deming-nm--sdwis-nm3528616-39931) - [Deming Municipal Water System](/report/watersystemviolationpulse/deming-municipal-water-system-deming-nm--sdwis-nm3528616-39933) - [Deming Municipal Water System](/report/watersystemviolationpulse/deming-municipal-water-system-deming-nm--sdwis-nm3528616-39935) - [Raccoon Creek State Park](/report/watersystemviolationpulse/raccoon-creek-state-park-pa--sdwis-pa5040376-2618140) - [Raccoon Creek State Park](/report/watersystemviolationpulse/raccoon-creek-state-park-pa--sdwis-pa5040376-2618141) - [Walsenburg City Of](/report/watersystemviolationpulse/walsenburg-city-of-co--sdwis-co0128900-4006196) - [Mustang Water Authority](/report/watersystemviolationpulse/mustang-water-authority-co--sdwis-co0143525-210) - [Big Bass Lake Water Assoc.](/report/watersystemviolationpulse/big-bass-lake-water-assoc-pa--sdwis-pa2640905-2619175) - [Rew Water Association](/report/watersystemviolationpulse/rew-water-association-pa--sdwis-pa6420013-2622978) - [Southwest Warren Co Mun Auth](/report/watersystemviolationpulse/southwest-warren-co-mun-auth-pa--sdwis-pa6620032-2623044) - [Masons Mobile City](/report/watersystemviolationpulse/masons-mobile-city-pa--sdwis-pa6620036-2623048) - [Knightstown Water Utility](/report/watersystemviolationpulse/knightstown-water-utility-knightstown-in--sdwis-in5233005-233) - [Knightstown Water Utility](/report/watersystemviolationpulse/knightstown-water-utility-knightstown-in--sdwis-in5233005-234) - [Van Bibber Lake Conservancy District](/report/watersystemviolationpulse/van-bibber-lake-conservancy-district-roachdale-in--sdwis-in5267010-615) - [Idle Wheels MHP Cat LLC](/report/watersystemviolationpulse/idle-wheels-mhp-cat-llc-id--sdwis-id6060035-2403) - [Idle Wheels MHP Cat LLC](/report/watersystemviolationpulse/idle-wheels-mhp-cat-llc-id--sdwis-id6060035-2404) - [Sunlit Hills Water System](/report/watersystemviolationpulse/sunlit-hills-water-system-santa-fe-nm--sdwis-nm3505226-124251) - [Sunlit Hills Water System](/report/watersystemviolationpulse/sunlit-hills-water-system-santa-fe-nm--sdwis-nm3505226-124252) - [Sunlit Hills Water System](/report/watersystemviolationpulse/sunlit-hills-water-system-santa-fe-nm--sdwis-nm3505226-124253) - [Sunlit Hills Water System](/report/watersystemviolationpulse/sunlit-hills-water-system-santa-fe-nm--sdwis-nm3505226-124254) - [Juniper Club INC.](/report/watersystemviolationpulse/juniper-club-inc-bloomfield-ct--sdwis-ct0110051-9132763) - [Juniper Club INC.](/report/watersystemviolationpulse/juniper-club-inc-bloomfield-ct--sdwis-ct0110051-9132764) - [Battle Ground Water District](/report/watersystemviolationpulse/battle-ground-water-district-battle-ground-in--sdwis-in5279002-418) - [Battle Ground Water District](/report/watersystemviolationpulse/battle-ground-water-district-battle-ground-in--sdwis-in5279002-419) - [Arimo City Of](/report/watersystemviolationpulse/arimo-city-of-id--sdwis-id6030002-7629) - [Pueblo Pintado Community School (New) - Bia](/report/watersystemviolationpulse/pueblo-pintado-community-school-new-bia-new-pueblo-pintado-community-s-nm--sdwis-093534011-353401145070062026) More records in this hub: [page 2](/hub/watersystemviolationpulse/rule/100/page/2) · [page 3](/hub/watersystemviolationpulse/rule/100/page/3) · [page 4](/hub/watersystemviolationpulse/rule/100/page/4) [Browse all WaterSystemViolationPulse record reports](/hub/watersystemviolationpulse/records) ## Which related categories and locations should I check? ### Browse by rule group [Chemicals (inorganic, organic, radionuclides) (30)](/hub/watersystemviolationpulse/rule/300) [Disinfectants and disinfection byproducts (17)](/hub/watersystemviolationpulse/rule/200) ### Browse by system type [Transient non-community (campgrounds, restaurants) (262)](/hub/watersystemviolationpulse/type/tncws) [Community water system (172)](/hub/watersystemviolationpulse/type/cws) [Non-transient non-community (schools, plants) (25)](/hub/watersystemviolationpulse/type/ntncws) ### Browse by state [Indiana (59)](/hub/watersystemviolationpulse/state/in) [Pennsylvania (48)](/hub/watersystemviolationpulse/state/pa) [Arizona (35)](/hub/watersystemviolationpulse/state/az) [Louisiana (30)](/hub/watersystemviolationpulse/state/la) [Michigan (28)](/hub/watersystemviolationpulse/state/mi) [Colorado (25)](/hub/watersystemviolationpulse/state/co) [North Carolina (23)](/hub/watersystemviolationpulse/state/nc) [Idaho (19)](/hub/watersystemviolationpulse/state/id) [Alaska (17)](/hub/watersystemviolationpulse/state/ak) [Connecticut (17)](/hub/watersystemviolationpulse/state/ct) [New Mexico (16)](/hub/watersystemviolationpulse/state/nm) [Illinois (13)](/hub/watersystemviolationpulse/state/il) [Montana (11)](/hub/watersystemviolationpulse/state/mt) [Missouri (10)](/hub/watersystemviolationpulse/state/mo) [New York (10)](/hub/watersystemviolationpulse/state/ny) [Ohio (10)](/hub/watersystemviolationpulse/state/oh) [Texas (10)](/hub/watersystemviolationpulse/state/tx) [Wisconsin (10)](/hub/watersystemviolationpulse/state/wi) [Washington (8)](/hub/watersystemviolationpulse/state/wa) [Vermont (7)](/hub/watersystemviolationpulse/state/vt) [Massachusetts (6)](/hub/watersystemviolationpulse/state/ma) [New Jersey (6)](/hub/watersystemviolationpulse/state/nj) [Oregon (6)](/hub/watersystemviolationpulse/state/or) [West Virginia (6)](/hub/watersystemviolationpulse/state/wv) [Utah (5)](/hub/watersystemviolationpulse/state/ut) [Wyoming (4)](/hub/watersystemviolationpulse/state/wy) [Minnesota (3)](/hub/watersystemviolationpulse/state/mn) [New Hampshire (3)](/hub/watersystemviolationpulse/state/nh) [Oklahoma (3)](/hub/watersystemviolationpulse/state/ok) [Virginia (3)](/hub/watersystemviolationpulse/state/va) ### Browse by minimum population served [500+ (7)](/hub/watersystemviolationpulse/min_population/500) ## Frequently asked questions ### How many waterSystemViolationPulse: Microbial (coliform, E. coli, treatment technique) are listed? 410 records from U.S. EPA Safe Drinking Water Information System (SDWIS) via Envirofacts and EPA ECHO, last refreshed automatically. The most recent is dated 2026-08-18. ### Can I get alerts for Microbial (coliform, E. coli, treatment technique)? Yes. WaterSystemViolationPulse can email you new records matching this filter; plans are listed on the WaterSystemViolationPulse page. Source: U.S. EPA Safe Drinking Water Information System (SDWIS) via Envirofacts and EPA ECHO. Informational only. [RSS feed of new records](/feed/watersystemviolationpulse.xml) ## Often used together - [EPAPulse](/v/epapulse) - [NySpillIncidentPulse](/v/nyspillincidentpulse) - [Federal Prime Contract Award + Commercial Electrical & Grid Interconnect Multi-Signal Trigger](/v/fedprimeelecsolxtrigger) - [B2BStatusPageSlaAudit](/b2bstatuspageslaaudit) - [OidcConfigAudit](/oidcconfigaudit) - [PodcastSponsorRadar](/podcastsponsorkit)