# 1water.ai

> 1water is the modern, affordable compliance platform for small and mid-size water systems and the operators who run them. Start with your Consumer Confidence Report today — daily operations, sampling, and lead & PFAS tools are rolling out — all self-serve, and priced for the small end.

## Products
- [CCR Agent](https://1water.ai/product/ccr-agent): Draft, validate, and publish a compliant Consumer Confidence Report under 40 CFR 141 Subpart O in under 45 minutes.
- [Compliance Validator](https://1water.ai/product/compliance-validator): Continuous rule-level 40 CFR 141 and state-overlay validation.
- [Platform roadmap](https://1water.ai/product/platform): Operator daily log & MOR, LCRI, and sampling are rolling out.
- [Pricing](https://1water.ai/pricing)

## Solutions
- [Water utilities](https://1water.ai/solutions/utilities)
- [Contract operators](https://1water.ai/solutions/contract-operators): Water utility management software for operators running many small systems.

## Learn — water & compliance guides
- [Boil water notice: what it means and what to do](https://1water.ai/learn/boil-water-notice): What a boil water advisory means, exactly what's safe, how long to boil, how long it lasts, and why systems issue one.
- [Coliform bacteria in water: what a positive result means](https://1water.ai/learn/coliform-bacteria-in-water): Total coliform vs fecal coliform vs E. coli, what a positive test means, and how to fix coliform in well water.
- [Nitrate in drinking water: limits, risks & what to do](https://1water.ai/learn/nitrate-in-drinking-water): The 10 mg/L EPA limit, why nitrate is an acute risk to infants, where it comes from, how systems remove it, and the 24-hour notice an exceedance requires.
- [Arsenic in drinking water: limits, risks & removal](https://1water.ai/learn/arsenic-in-drinking-water): The 0.010 mg/L (10 ppb) EPA limit, why arsenic is a chronic cancer risk, where it comes from, how systems remove it, and the Tier 2 30-day notice an exceedance requires.
- [Turbidity in drinking water: NTU limits & the SWTR](https://1water.ai/learn/turbidity-in-drinking-water): The 0.3 NTU / 1 NTU Surface Water Treatment Rule limits for filtered surface-water and GWUDI systems, why turbidity shields pathogens from disinfection, and what an exceedance triggers.
- [The Ground Water Rule: what it requires of ground water systems](https://1water.ai/learn/groundwater-rule): How 40 CFR 141 Subpart S protects ground water systems from fecal contamination — sanitary surveys, triggered source-water monitoring after a coliform-positive, and corrective action.
- [Fluoride in drinking water: limits, notices & 0.7 mg/L](https://1water.ai/learn/fluoride-in-drinking-water): The three fluoride numbers — the enforceable 4.0 mg/L MCL, the 2.0 mg/L secondary standard and its special notice, and the 0.7 mg/L fluoridation recommendation — plus where fluoride comes from.
- [Radionuclides in drinking water: limits, risks & removal](https://1water.ai/learn/radionuclides-in-drinking-water): The four EPA limits under 40 CFR § 141.66 — radium, gross alpha, beta/photon, and uranium — the chronic cancer and kidney risks, how systems remove them, and the notice an exceedance requires.
- [Copper in drinking water: limits, stains & what to do](https://1water.ai/learn/copper-in-drinking-water): The 1.3 mg/L copper action level (not a normal MCL), why blue-green stains signal it, its health effects, and what a household and a water system should do.
- [Backflow prevention: how it works and why it matters](https://1water.ai/learn/backflow-prevention): The two causes of backflow, the types of backflow preventers, testing requirements, and cross-connection control.
- [PFAS in drinking water: limits, deadlines, and treatment](https://1water.ai/learn/pfas-in-drinking-water): The EPA PFAS limits, the current 2026 status of the rule and compliance deadlines, who must test, and how utilities remove PFAS.
- [Lead service line inventory: LCRI requirements & deadlines](https://1water.ai/learn/lead-service-line-inventory): What the LCRI requires, the November 1, 2027 deadline, the four material classifications, and how to build your inventory.
- [Water operator certification: how to get licensed](https://1water.ai/learn/water-operator-certification): How to become a certified water operator — exam and experience requirements, certification classes, reciprocity, and renewal.
- [Sanitary survey: the 8 elements and how to prepare](https://1water.ai/learn/sanitary-survey): The eight elements a sanitary survey evaluates, how often surveys happen, and how to prepare for yours.
- [Chlorine residual: free vs total, levels & why it matters](https://1water.ai/learn/chlorine-residual): Free vs total vs combined chlorine, target residual levels, the 4.0 mg/L maximum, and how to measure it.

## Compare
- [Waterly alternative](https://1water.ai/compare/waterly-alternative)
- [120Water alternative](https://1water.ai/compare/120water-alternative)