Photo: Paul Sableman · CC BY 2.0Living in Clarksville, MO: what to set up and who to call
Trash goes out on Thursdays in Clarksville. Clarksville PWS reported one health-based violation to EPA in the last five years: a disinfection byproducts requirement (Stage 1 Disinfectants and Disinfection Byproducts Rule), beginning Nov 2023.
I’m new in town
What to set up in Clarksville, and who provides it. Tap an answer for the details and where they come from.
Power, water and internet
Who to call to start service at a new address in Clarksville.
Power comes from Union Electric
Union Electric (Union Electric Co - (MO)), an investor-owned utility, serves all of Clarksville. Its homes paid an average of 13.3¢ per kWh in 2025, about $137 a month (its average across Missouri).
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Clarksville PWS
Clarksville PWS supplies Clarksville: about 95% of residents live in its service area. Pike County Pwsd 1 serves another 7%. It draws ground water and serves 442 people in all.
1 health-based violation reported to EPA in the five years to October 2026: a disinfection byproducts requirement (Stage 1 Disinfectants and Disinfection Byproducts Rule), beginning Nov 2023. 77% of the 15,074 systems serving 101–500 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2023–Dec 2025, was 5.9 ppb, below the 15 ppb action level that applied. That’s higher than 93% of similar systems’ latest results.
The system’s full record: EPA ECHO report
EPA SDWIS via Envirofacts (violations pulled Oct 9, 2026) and ECHO (lead samples, 2026Q3); service area: EPA Community Water System Service Area Boundaries v3.0 (EPA’s estimate). Violations are counted by the start of their compliance period. MO2010169.
3 home internet providers serve Clarksville
100% of 243 addresses can get 100/20 Mbps; 91% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Fiber | 91% | 1,000/1,000 |
| AT&T | DSL, Fixed wireless | 34% | 25/3 |
| Wisper | Fixed wireless | 95% | 400/30 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash day in Clarksville is Thursday
Pickup days, the drop-off and recycling in Clarksville, from the town’s own site.
This month
- TrashEvery week
Accepted at the curb
- #1 & #2 Plastic
- Magazines
- Newspaper
- Aluminum Cans/Scrap
- Cardboard (except wax coated)
- Steel Food Cans
- Books
- Shredded Paper
- Clothes
- Shoes
From clarksville-mo.gov, the town’s official site, checked Oct 22, 2026; pages dated © 2026. Rules change: the town’s page is the last word. .
Where your child goes to school
Public school districts and the school path by grade.
Clarksville is in Pike County R-III School District.
Test scores and every school: see Schools →U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.
Town hall and registering to vote
Who to call, and how to register.
Election office: FVAP local election office directory, updated Sep 2017; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Clarksville is in ZIP code 63336
ZIP codes where Clarksville residents live, with the share of the town in each.
| ZIP | Post office name | Share of Clarksville | ZIP’s residents in Clarksville |
|---|---|---|---|
| 63336 | Clarksville, MO | 100% | 36% |
Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.
Getting around, the ER and the library
One line each; the subject pages have the rest.
ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Clarksville
Who supplies Clarksville’s drinking water, and has it had violations?
Clarksville PWS (EPA ID MO2010169). It reported 1 health-based violation to EPA in the five years to October 2026: a disinfection byproducts requirement (Stage 1 Disinfectants and Disinfection Byproducts Rule). 77% of systems its size had none. Its latest lead 90th percentile was 5.9 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Clarksville?
Union Electric (Union Electric Co - (MO)), an investor-owned utility. Its homes paid about 13.3¢ per kWh in 2025 (EIA).
What internet providers serve Clarksville?
Spectrum, AT&T, Wisper (FCC, as of December 2025).
What ZIP codes are in Clarksville?
63336. Census 2020 ZIP Code Tabulation Areas.
What school district is Clarksville in?
Pike County R-III School District.
How do I register to vote in Clarksville?
In Missouri you can register online until 27 days before Election Day, in person until 27 days before Election Day, or by mail (postmarked 27 days before). Elections here are run by the Pike. Check your registration at voteroutreach.sos.mo.gov.
Sources & dates
Every answer above names its source. Here they are with their dates.
- Water: EPA SDWIS (Envirofacts, pulled Oct 9, 2026), ECHO SDWA 2026Q3, EPA CWS Service Area Boundaries v3.0.
- Power: HIFLD Electric Retail Service Territories (map Aug 2023); EIA-861 final 2025.
- Trash: Clarksville’s own website (clarksville-mo.gov), read Oct 22, 2026, pickup and drop-off facts extracted and checked against the page they came from.
- ZIP codes: Census 2020 ZCTA relationship files; GeoNames postal codes (CC BY 4.0).
- Schools: NCES Common Core of Data, 2024–25.
- Registration: vote.gov, updated Nov 18, 2024 (read Oct 10, 2026). Official sites and area codes: Wikidata.
- Election office: FVAP local election office directory (fetched Oct 10, 2026; each record dated), EAC EAVS 2024 jurisdictions; registration and lookup links from vote.gov’s state data, checked Oct 10, 2026.
- Internet: FCC National Broadband Map, as of December 2025.