Chloramine levels by provider
| Provider | Report | Chloramine level | Range |
|---|---|---|---|
| City of Coral Springs | 2025 | 2.7 ppm | 0.8 to 3.6 |
| CSID | 2024 | 2.9 ppm | 1.5 to 3.3 |
| NSID | 2024 | 3.66 ppm | see report |
All are under the 4.0 ppm maximum. Royal Waterworks customers should check that provider's report. CSID's report lists ammonium sulfate among its post-treatment chemicals, and NSID's describes disinfection "with chlorine and ammonia".
Why plain carbon may struggle
Ordinary activated carbon removes free chlorine quickly. Chloramine reacts more slowly, so small cartridges, pitchers and fast-flow filters may let much of it through. Systems designed for chloramine generally use catalytic carbon and more contact time. NSID's own report notes that its approach provides long-lasting disinfectant protection without regular chlorine's objectionable taste and odor; that same stability is what makes chloramine harder to filter at home.
What to look for
Look for an NSF/ANSI 42 listing that specifically includes chloramine reduction, for the exact model and at the flow rate you will use. In an under-sink RO, chloramine is handled by the carbon pre-filter ahead of the membrane.
The July chlorination period
The City of Coral Springs announced that from July 13 to 27, 2026, the City, Royal Waterworks, CSID and NSID would temporarily change their chlorinating method, following Department of Environmental Protection recommendations. You may notice a chlorine taste or odor, and hydrant flushing between 7 a.m. and 4 p.m. can cause discoloration and lower pressure. Carbon handles free chlorine readily, so a properly sized filter keeps working. Aquarium owners should ask their pet store about dechlorination during the switch.
Whole-home or point-of-use?
- Whole-home: showers, laundry and every faucet. See whole-home filtration in Coral Springs.
- Under-sink RO: drinking water only. See RO in Coral Springs.
- Shower filters: limited contact time; check any chloramine claim carefully.
More in the chloramine filter guide.
Sizing a chloramine filter for your household
Chloramine uses up catalytic carbon over time, so media life depends on how much water your household runs through it and on the chloramine level your provider delivers. In Coral Springs that level varies: the NSID report shows a higher average than the City or CSID. A larger family on NSID water may need more media capacity than a couple on City water for the same service interval.
When you compare systems, ask for the rated chloramine capacity in gallons, the flow rate it was tested at, and how you will know the media is spent. An undersized system can let chloramine through when two showers and the washing machine run at once. Jorge measures the residual at your tap during the free test, so the sizing is based on your water rather than a brochure.
Not sure who your provider is? Your water bill names it, and the City of Coral Springs Water Districts page has a map of all four service areas.
https://www.coralsprings.gov/Government/Departments/Public-Works/Water-Districts
https://www.coralsprings.gov/files/content/public/v/8/government/departments/public-works/water-quality/2025-water-quality-report_1.pdf
https://www.csidfl.org/wp-content/uploads/2025/06/csid-4060291-ccr-2024.pdf
https://nsidfl.gov/water_quality_reports/2024.pdf
https://www.coralsprings.gov/News-Articles/2026/April-June-2026/Water-Chlorination-and-Flushing-to-Take-Place-in-July-2026
Updated 2026-10-17 · Living Waters · Jorge Canela, Water Quality Specialist