In 2013, Jackson City began installing Siemens smart water meters to improve water resource management and billing systems. These water meters were designed to provide more accurate water usage billing and reduce errors associated with manual meter reading.
However, due to design flaws in these water meters, problems soon emerged. Some residents and businesses did not receive water bills for extended periods, while others experienced abnormally spiked bill amounts. Some users received no bills for months or even years, while others were suddenly charged excessively high amounts due to calculation errors, far exceeding their normal water expenses. As a result, many residents refused to pay their bills due to the billing chaos, and the municipal department's collection rate remained below 70% for a long time. The water system became trapped in a vicious cycle of funding shortages, and by 2023, 150,000 residents still faced a drinking water crisis.
This water supply crisis, triggered by design flaws in the water meters, has become an urgent problem for Jackson City to resolve. It has also prompted reflection on the importance of quality certification and regulation when introducing new technologies. MID and OIML certifications are key to ensuring the quality of water meters and protecting consumer rights.
So what are MID and OIML certifications?
1. What is a mid certificate?
MID certification, also known as the Measuring Instruments Directive certification, is a significant regulation established by the European Union to standardize and regulate the market for measuring instruments. This directive specifies requirements in various aspects, including the design, manufacturing, performance, and conformity assessment procedures of measuring instruments. It aims to ensure that measuring instruments entering the EU market operate accurately and reliably, providing fair and impartial measurement services to consumers.
By obtaining MID certification, a product demonstrates that it meets the stringent standards set by the EU in terms of measurement accuracy, stability, and safety. This allows the product to circulate freely within the EU market and deliver trustworthy measurement data to users.
2. What is an OIML Certification?
OIML certification is issued by the International Organization of Legal Metrology. This organization is dedicated to developing and promoting internationally unified legal metrology standards and recommendations, aiming to enhance the consistency and mutual recognition of measuring instruments worldwide.
Products that obtain this certification demonstrate compliance with widely accepted metrological specifications and technical requirements on a global scale, granting them stronger competitiveness and broader recognition in international trade.
3. Why are MID and OIML certifications important?
With the growing global emphasis on water resource management and increasing consumer demand for measurement accuracy, MID and OIML certifications have become essential standards in the water meter industry. These certifications not only serve as a "passport" to international markets but also symbolize credibility within the sector. In many countries and regions, only water meters that have obtained MID and OIML certifications can be legally sold and used, thereby raising market entry barriers.
Furthermore, MID and OIML certifications play a positive role in promoting technological advancement and enhancing product quality. To meet the standards of these certifications, water meter manufacturers must continuously improve their research, development, and production capabilities, ensuring the accuracy, stability, and long-term reliability of their products. Companies such as Itron, S.H. Meters, and Diehl have obtained MID and OIML certifications, which not only ensure product reliability but also further enhance their brand credibility and market competitiveness
4. Conclusion
The water crisis in Jackson serves as a profound lesson, reminding us that in the process of advancing smart water management, the quality and measurement accuracy of water meters must be prioritized. Only by selecting strictly certified and reliable water meters can we build a sustainable smart water system and truly achieve efficient management and equitable utilization of water resources